ICP F9MAC0601714A1 User Manual GAS FURNACE Manuals And Guides 1307183L
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iiiiiii;i!i _ i iii These instructions must be read and understood completely before attempting installation. Safety Labeling and Signal Words DANGER, WARNING, CAUTION, and NOTE The signal words DANGER, WARNING, CAUTION, and NOTE are used to identify levels of hazard seriousness. The signal word DANGER is only used on product labels to signify an immediate hazard. The signal words WARNING, CAUTION, and NOTE will be used on product labels and throughout this manual and other manual that may apply to the product. Signal Words in Manuals The signal word WARNING this manual in the following is used throughout manner: The signal word CAUTION this manual in the following is used throughout manner: DANGER - Immediate hazards which will result in severe personal injury or death. WARNING - Hazards or unsafe practices which could result in severe personal injury or death. Signal z_ Safety-alert symbol OF CONTENTS SAFETY CONSIDERATIONS .............................. INTRODUCTION ......................................... CODES AND STANDARDS ................................ ELECTROSTATIC DISCHARGE (ESD) ...................... DIMENSIONS ........................................... LOCATION .............................................. LOCATION RELATIVE TO COOLING EQUIPMENT ........... AIR FOR COMBUSTION AND VENTILATION ................ CONDENSATE TRAP .................................... INSTALLATION .......................................... UPFLOW INSTALLATION ................................. DOWNFLOW INSTALLATION .............................. HORIZONTAL INSTALLATION ............................. FILTER ARRANGEMENT ................................. AIR DUCTS ............................................. GAS PIPING ............................................. ELECTRICAL CONNECTIONS ............................. J-BOX INSTALLATION ................................... VENTING ............................................... SPECIAL VENTING REQUIREMENTS FOR INSTALLATIONS IN CANADA ........................ DIRECT VENT / 2-PIPE SYSTEM .......................... VENTILATED COMBUSTION AIR SYSTEMS ................ TERMINATION REQUIREMENTS FOR THE PROVINCES OF ALBERTA AND SASKATCHEWAN ......... MAXIMUM EQUIVALENT VENT LENTH ..................... MAXIMUM ALLOWABLE EXPOSED VENT LENGTHS ........ MAXIMUM LENGTH OF UNINSULATED AND INSULATED .... 20001. Labeling When you see this symbol on the unit and in instructions or manuals, be alert to the potential for personal injury. NOTE - Used to highlight suggestions which will result in enhanced installation, reliability, or operation. Portions on Product Signal words are used in combination with colors and/or pictures or product labels. CAUTION - Hazards or unsafe practices which may result in minor personal injury or product or property damage. TABLE Words of the text and tables are reprinted from NFPA 54/ANSI This reprinted material Printed inU.S.A. is not the complete Z223.1-2009_, 3 4 4 5 6 7 8 8 11 18 18 19 21 23 26 27 28 29 33 33 35 35 IS0 9001 Use of the AHRI Certified TM Mark indicates a manufacturer's participation in the program, For verification of certification for individual products, go to www,ahridirectory.org . INSTALLER: Affix these instructions on or adjacent to the furnace. CONSUMER: Retain these instructions for future reference. 37 50 53 53 with permission of National Fire Protection and official position of the NFPA or ANSI, on the referenced subject, Association, Quincy, MA 02269 and American which is represented only by the standard Gas Association, Washington, in its entirety, 440 01 4201 03 July2012 DC Required Notice for Massachusetts Installations Important The Commonwealth of Massachusetts 5.08: Modifications to NFPA-54, requires compliance Chapter with regulation 248 CMR as follows: 10 2) Revise 10.8.3 by adding the following additional requirements: (a) For all side wall horizontally vented gas fueled equipment installed in every dwelling, building or structure used in whole or in part for residential purposes, including those owned or operated by the Commonwealth and where the side wall exhaust vent termination is less than seven (7) feet above finished grade in the area of the venting, including but not limited to decks and porches, the following requirements shall be satisfied: INSTALLATION OF CARBON MONOXIDE DETECTORS. At the time of installation of the side wall horizontal vented gas fueled equipment, the installing plumber or gasfitter shall observe that a hard wired carbon monoxide detector with an alarm and battery back-up is installed on the floor level where the gas equipment is to be installed. In addition, the installing plumber or gasfitter shall observe that a battery operated or hard wired carbon monoxide detector with an alarm is installed on each additional level of the dwelling, building or structure served by the side wall horizontal vented gas fueled equipment. It shall be the responsibility of the property owner to secure the services of qualified license professionals for the installation of hard wired carbon monoxide detectors. 1, a. In the event that the side wall horizontally vented gas fueled equipment is installed in a crawl space or an attic, the hard wired carbon monoxide detector with alarm and battery back-up may be installed on the next adjacent floor level. b. In the event that the requirements of this subdivision can not be met at the time of completion of installation, the owner shall have a period of thirty (30) days to comply with the above requirement; provided, however, that during said thirty (30) day period, a battery operated carbon monoxide detector with an alarm shall be installed. (b) (c) (d) (e) 2. APPROVED CARBON MONOXIDE DETECTORS. Each carbon monoxide detector as required in accordance with the above provisions shall comply with NFPA 720 and be ANSI/UL 2034 listed and IAS certified. 3. SIGNAGE. A metal or plastic identification plate shall be permanently mounted to the exterior of the building at a minimum height of eight (8) feet above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled heating appliance or equipment. The sign shall read, in print size no less than one-half (1/2) inch in size, "GAS VENT DIRECTLY BELOW. KEEP CLEAR OF ALL OBSTRUCTIONS". 4. INSPECTION. The state of local gas inspector of the side wall horizontally vented gas fueled equipment shall not approve the installation unless, upon inspection, the inspector observes carbon monoxide detectors and signage installed in accordance with the provisions of 248 CMR 5.08(2)(a) 1 through 4. EXEMPTIONS: The following equipment is exempt from 248 CMR 5.08(2)(a) listed in Chapter 10 entitled "Equipment 1 through 4: 1. The equipment Board; and Not Required To Be Vented" in the most current edition of NFPA 54 as adopted by the 2. Product Approved side wall horizontally vented gas fueled equipment installed in a room or structure separate from the dwelling, building or structure used in whole or in part for residential purposes. MANUFACTURER REQUIREMENTS - GAS EQUIPMENT VENTING SYSTEM PROVIDED. When the manufacturer of Product Approved side wall horizontally vented gas equipment provides a venting system design or venting system components with the equipment, the instructions provided by the manufacturer for installation of the equipment and the venting system shall include: 1. Detailed instructions for the installation of the venting system design or the venting system components; 2. A complete parts list for the venting system design or venting system. and MANUFACTURER REQUIREMENTS - GAS EQUIPMENT VENTING SYSTEM NOT PROVIDED. When the manufacturer of a Product Approved side wall horizontally vented gas fueled equipment does not provide the parts for venting the flue gases, but identifies "special venting systems", the following requirements shall be satisfied by the manufacturer: 1. The referenced "special venting system" instructions shall be included with the appliance or equipment installation instructions; 2. The "special venting systems" shall be Product Approved installation instructions. and by the Board, and the instructions for that system shall include a parts list and detailed A copy of all installation instructions for all Product Approved side wall horizontally vented gas fueled equipment, all venting instructions, all parts lists for venting instructions, and/or all venting design instructions shall remain with the appliance or equipment at the completion of the installation. For questions regarding these requirements, please contact the Commonwealth Fitters, 239 Causeway 2 Specifications of Massachusetts Board of State Examiners of Plumbers and Gas Street, Boston, MA 02114. 617-727-9952 are subject to change without notice. 440 01 4201 0,3 Rarefy Considerations v = Read these instructions thoroughly and follow all warnings or cautions included in literature and attached to the unit. _=y FIRE, EXPLOSION, ELECTRICAL SHOCK, AND CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in dangerous operation, personal injury, death, or property damage. Improper installation, adjustment, alteration, service, maintenance, or use can cause carbon monoxide poisoning, explosion, fire, electrical shock, or other conditions which may cause personal injury or property damage. Consult a qualified service agency, local gas supplier, or your distributor or branch for information or assistance. The qualified service agency must use only factory-authorized and listed kits or accessories when modifying this product. FIRE HAZARD Failure to follow this warning could result in personal injury, death, or property damage. Solvent cements and primers are combustible. Keep away from heat, sparks and open flame. Use only in well-ventilated areas. Avoid breathing in vapor or allowing contact with skin or eyes. FURNACE RELIABILITY HAZARD CUT HAZARD Failure to follow this caution may result in personal injury. Sheet metal parts may have sharp edges or burrs. Use care and wear appropriate protective clothing, safety glasses and g oves when hand ing parts, and servicing furnaces. This is the safety-alert symbol /iX • When you see this symbol on the furnace and in instructions or manuals, be alert to the potential for personal injury. Understand the signal words DANGER, WARNING, and CAUTION. These words are used with the safety-alert symbol. DANGER identifies the most serious hazards which will result in severe personal injury or death. WARNING signifies a hazard which could result in personal injury or death. CAUTION is used to identify hazards which may result in minor personal injury or product and property damage. NOTE and NOTICE are used to highlight suggestions which wilt result in enhanced installation, reliability, or operation. 1. Use only with type of gas approved for this furnace. Refer to the furnace rating plate. 2. Install this furnace only in a location and position as specified in the "Location" section of these instructions. 3. Provide adequate combustion and ventilation air to the furnace space as specified in "Air for Combustion and Ventilation" section. 4. Combustion products must be discharged outdoors. Connect this furnace to an approved vent system only, as specified in the "Venting" section of these instructions. 5. Failure to follow this caution may result in unit component damage. Application of this furnace should be indoors with special attention given to vent sizing and material, gas input rate, air temperature rise, unit leveling, and unit sizing. 6. Improper installation, adjustment, alteration, service, maintenance, or use can cause explosion, fire, electrical shock, or other conditions which may cause death, personal injury or property damage. Consult a qualified installer, service agency, local gas supplier, or your distributor or branch for information or assistance. The qualified installer or agency must use only factory-authorized kits or accessories when modifying this product. Refer to the individual instructions packaged with the kits or accessories when installing. 7. Installing and servicing heating equipment can be hazardous due to gas and electrical components. Only trained and qualified personnel should install, repair, or service heating equipment. Untrained personnel can perform basic maintenance functions such as cleaning and replacing air filters. All other operations must be performed by trained service personnel. When working on heating equipment, observe precautions in literature, on tags, and on labels attached to or shipped with furnace and other safety precautions that may apply. These instructions cover minimum requirements and conform to existing national standards and safety codes. In some instances, these instructions exceed certain local codes and ordinances, especially those that may not have kept up with changing residential construction practices. We require these instructions as a minimum for a safe installation. 8. 9. 10. 11. Follow all safety codes. Wear safety glasses, protective clothing, and work gloves. Have a fire extinguisher available. 440 01 4201 03 Specifications subject 12. to change without Never test for gas leaks with an open flame. Use a commercially available soap solution made specifically for the detection of leaks to check all connections, as specified in the "Gas Piping" section. Always install furnace to operate within the furnace's intended temperature-rise range with a duct system which has an external static pressure within the allowable range, as specified in the "Start-Up, Adjustments, and Safety Check" section. See furnace rating plate. When a furnace is installed so that supply ducts carry air circulated by the furnace to areas outside the space containing the furnace, the return air shall also be handled by duct(s) sealed to the furnace casing and terminating outside the space containing the furnace. See "Air Ducts" section. A gas-fired furnace for installation in a residential garage must be installed as specified in the warning box in the "Location" section. (See Figure 4) The furnace may be used for construction heat provided that the furnace installation and operation complies with the first CAUTION in the LOCATION section on page 7 of these instructions. These Multipoise Gas-Fired Furnaces are CSA design-certified for use with natural and propane gases (see furnace rating plate) and for installation in alcoves, attics, basements, closets, utility rooms, crawlspaces, and garages. The furnace is factory-shipped for use with natural gas. A CSA (A.G.A. and C.G.A.) listed accessory gas conversion kit is required to convert furnace for use with propane gas. See Table 1 for required clearances to combustible construction. Maintain a 1-in. (25 mm) clearance from combustible materials to supply air ductwork for a distance of 36-in. notice. 3 (914 mm) horizontally from the furnace. See NFPA 90B or local code for further requirements. 1 REAR 0 FRONT (Combustion air openings in furnace and in structure) 1 (25) Required for service *24 (610) All Sides of Supply Plenum Sides "1 (25) 0 Vent 0 _" and Return Air MAX 80°F/27°C SUPPLYAIR FRONT i°F MIN 60°F/16°C 1 (25) These furnaces SHALL NOT be installed directly on carpeting, combustible tile, or any other combustible material other than wood flooring. In downfiow installations, factory accessory floor base MUST be used when installed on combustible materials and wood flooring. Special base is not required when this furnace is installed on manufacturer's Coil Assembly is used. See Table 1 for clearance to combustible construction information. Introduction The 4-way multipoise Category IV condensing furnace is CSA design-certified as a direct-vent (2-pipe) and ventilated combustion air venting installations. (See Figure3) The furnace is factory-shipped for use with natural gas. The furnace can be converted in the field for use with propane gas when a factory-supplied conversion kit is used. Refer to the furnace rating plate for conversion kit information. This furnace is not approved for installation in mobile homes, recreational vehicles, or outdoors. This furnace is designed for minimum continuous return-air temperature of 60°F (15°C) db or intermittent operation down to 55°F (15°C) db such as when used with a night setback thermostat. Return-air temperature must not exceed 80°F (27°C) db. Failure to follow these return-air temperature limits may affect reliability of heat exchangers, motors, and controls (See Figure 1) The furnace should be sized to provide 100 percent of the design heating load requirement plus any margin that occurs because of furnace model size capacity increments. Heating load estimates can be made using approved methods available from Air Conditioning Contractors of America (Manual J); American Society of Heating, Refrigerating, and Air-Conditioning Engineers; or other approved engineering methods. Excessive oversizing of the furnace could cause the furnace and/or vent to fail prematurely. For accessory installation details, refer to the applicable instruction literature. NOTE: Remove all shipping materials, literature before operating the furnace. Protection CLEARANCE In(mm) POSITION Top of Furnace * Consult your local building codes. I Freeze Temperature Minimum Clearances to Combustible Materials for All Units Table 1 13. Figure parts assemblies and 32° F/0° C MINIMUM INSTALLED AMBIENT OR FREEZE PROTECTION REQUIRED A10490 J Codes and Standards Follow all national and local codes and standards in addition to these instructions. The installation must comply with regulations of the serving gas supplier, local building, heating, plumbing, and other codes. In absence of local codes, the installation must comply with the national codes listed below and all authorities having jurisdiction. In the United States and Canada, follow all codes and standards for the following: Safety • US: National Fuel Gas Code (NFGC) NFPA 54-2009/ANSI Z223.1-2009 and the Installation Standards, Warm Air Heating and Air Conditioning Systems ANSI/NFPA 90B • CANADA: National Standard of Canada, Natural Gas and Propane Installation Code (NSCNGPIC) CAN/CSA B149.1-2010 General Installation • US: NFGC and the NFPA 90B. For copies, contact the National Fire Protection Association Inc., Batterymarch Park, Quincy, MA 02269; or for only the NFGC contact the American Gas Association, 400 N. Capitol, N.W., Washington DO 20001. • CANADA: NSCNGPIC. For a copy, contact Standard Sales, CSA International, 178 Rexdale Boulevard, Etobicoke (Toronto), Ontario, M9W 1R3, Canada. Combustion and Ventilation Air US: Section 9.3 of the NFPA54/ANSI Z223.1-2009, Air for Combustion and Ventilation CANADA: Part 8 of the CAN/CSA B149.1-2010, Venting Systems and Air Supply for Appliances 4 Specifications subject to change without notice. 440 01 4201 03 Duct Systems • US and CANADA: Air Conditioning Contractors Association (ACCA) Manual D, Sheet Metal and Air Conditioning Contractors National Association (SMACNA), or American Society of Heating, Refrigeration, and Air Conditioning Engineers (ASHRAE) 2005 Fundamentals Handbook Chapter 35. Acoustical Duct • Lining and Fibrous Glass 1. Disconnect all power to the furnace. Multiple disconnects may be required. DO NOT TOUCH THE CONTROL OR ANY WIRE CONNECTED TO THE CONTROL PRIOR TO DISCHARGING YOUR BODY'S ELECTROSTATIC CHARGE TO GROUND. 2. Firmly touch the clean, unpainted, metal surface of the furnace chassis which is close to the control. Tools held in a person's hand during grounding will be satisfactorily discharged. After touching the chassis, you may proceed to service the control or connecting wires as long as you do nothing to recharge your body with static electricity (for example; DO NOT move or shuffle your feet, do not touch ungrounded objects, etc.). If you touch ungrounded objects (and recharge your body with static electricity), firmly touch a clean, unpainted metal surface of the furnace again before touching control or wires. Use this procedure for installed and uninstatled (ungrounded) furnaces. Before removing a new control from its container, discharge your body's electrostatic charge to ground to protect the control from damage. If the control is to be installed in a furnace, follow items 1 through 4 before bringing the control or yourself in contact with the furnace. Put all used and new controls into containers before touching ungrounded objects. An ESD service kit (available from commercial sources) may also be used to prevent ESD damage. 3. US and CANADA: current edition of SMACNA, NFPA 90B as tested by UL Standard 181 for Class I Rigid Air Ducts 4. Gas Piping and Gas Pipe Pressure Testing • U.S.A.: NFPA 54/ANSI Z223.1-2009, NFGC; Chapters 5, 6, 7, and 8 and national plumbing codes. • Parts 4, 5, 6 and CANADA: CAN/CSA-B149.1-2010, 9. In the state of Massachusetts: • This product must be installed by a licensed plumber or gas fitter. • When flexible connectors are used, the maximum length shall not exceed 36-in. (914 mm). • When lever type gas shutoffs are used they shall be T-handle type. • The use of copper tubing for gas piping is not approved by the state of Massachusetts. 6. 7. Accessories See Specification product. Electrical Connections Table • U.S.A.: National Electrical Code (NEC) ANSI/NFPA 70-2011 • CANADA: Canadian Electrical Code CSA C22.1 Electrostatic Discharge Precautions Procedure 5. 2 QUANTITY (ESD) Sheets for a list of accessories Loose Parts Bag Contents (shipped in blower compartment) COMPONENT NAME 1 Air Intake Pipe Flange 1 Vent Pipe Flange 2 Coupling Flange Gaskets 10 Sharp Tip Screws (Vent and Inlet Flanges) 1 Vent Pipe Coupling 2 1 Vent Pipe Coupling Clamps Rubber Drain Tube FURNACE RELIABILITY HAZARD 4 Drain Tube Clamps Failure to follow this caution may result in unit component damage. 1 1 1/2" CPVC to 3/4" PVC Pipe Adapter Gas Line Grommet 1 Junction Box Cover 1 Junction Box Base 1 Green Ground Screw 3 1 Blunt Tip Screws (Junction Box) Thermostat Wire Grommet Electrostatic discharge can affect electronic components. Take precautions during furnace installation and servicing to 3rotect the furnace electronic control. Precautions will prevent electrostatic discharges from personnel and hand tools which are held during the procedure. These precautions will help to avoid exposing the control to electrostatic discharge by putting the furnace, the control, and the person at the same electrostatic potential. 440 01 4201 03 Specifications subject for this Provided separately in furnace 1 to change without IDrain Extension Tube - "Z" Pipe notice. 5 Figure 2 1Dimensions > SD5060-4 (F/G9MAC) FURNACE SIZE 0601714 0602120 0801714 WIDTH 17-1/2 (445) 21 (533) 17-1/2 D C (445) OUTLET WIDTH 15-7/8 (403) 19-3/8 (492) 15-7/8 (403) BOTTOM INLET WIDTH 16 (406) 19-1/2 (495) 16 (406) AIR INTAKE SHIP WT. LB (KG) 8 3/4 (222) 154 (69) 10 1/2 (267) 159 (72) 8 3/4 (222) 164 (74) 0802120 21 (533) 19-3/8 (492) 19-1/2 (495) 10 1/2 (267) 169 (77) 1002122 21 (533) 19-3/8 (492) 19-1/2 (495) 10 1/2 (267) 179 (80) 22-7/8 (581) 12 1/4 (311) 203 (91) Specifications subject 1202422 6 A CABINET 24-1/2 (622) 23 (584) to change without notice. 440 01 4201 03 Location PERSONAL HAZARD INJURY AND/OR PROPERTY be located close to the chimney or vent and attached to an air distribution system. Refer to Air Ducts section. be provided ample space for servicing and cleaning. Always comply with minimum fire protection clearances shown in Table 1 or on the furnace clearance to combustible construction label. DAMAGE Improper use or installation of this furnace may result in 3remature furnace component failure. This gas furnace may be used for heating buildings under construction provided that: -The furnace is permanently installed with all electrical wiring, piping, venting and ducting installed according to these installation instructions. A return air duct is provided, sealed to the furnace casing, and terminated outside the space containing the furnace. This prevents a negative pressure condition as created by the circulating air blower, causing a flame roltout and/or drawing combustion products into the structure. -The furnace is controlled by a thermostat. It may not be "hot wired" to provide heat continuously to the structure without thermostatic control. -Clean outside air is provided for combustion. This is to minimize the corrosive effects of adhesives, sealers and other construction materials. It also prevents the entrainment of drywall dust into combustion air, which can cause fouling and plugging of furnace components. CARBON MONOXIDE DAMAGE HAZARD -The filters used to clean the circulating air during the construction process must be either changed or thoroughly cleaned prior to occupancy. The following types of furnace installations may require OUTDOOR AIR for combustion due to chemical exposures: General These furnaces are shipped with materials to assist in proper furnace installation. These materials are shipped in the main blower compartment. See Table 2 for loose parts bag contents. This furnace must: • not be installed directly on any combustible material other than wood flooring (refer to SAFETY CONSIDERATIONS). 440 01 4201 03 are protected Specifications subject • Commercial buildings • Buildings with indoor pools • Laundry rooms • Hobby or craft rooms, and • Chemical storage areas If air is exposed to the following substances, it should not be used for combustion air, and outdoor air may be required for combustion: -Verify proper furnace operating conditions including ignition, gas input rate, air temperature rise, and venting according to these installation instructions. be installed so the electrical components from water. COMPONENT Corrosive or contaminated air may cause failure of parts containing flue gas, which could leak into the living space. Air for combustion must not be contaminated by halogen compounds, which include fluoride, chloride, bromide, and iodide. These elements can corrode heat exchangers and shorten furnace life. Air contaminants are found in aerosol sprays, detergents, bleaches, cleaning solvents, salts, air fresheners, and other household products. Do not install furnace in a corrosive or contaminated atmosphere. Make sure all combustion and circulating air requirements are met, in addition to atl local codes and ordinances. -The furnace, ductwork and filters are cleaned as necessary to remove drywall dust and construction debris from atl HVAC system components after construction is completed. • / Failure to follow this warning could result in personal injury or death and unit component damage. -The temperature of the return air to the furnace is maintained between 55°F (13°C) and 80°F (27°C), with no evening setback or shutdown. The use of the furnace while the structure is under construction is deemed to be intermittent operation per our installation instructions. -The air temperature rise is within the rated rise range on the furnace rating plate, and the gas input rate has been set to the nameplate value. POISONING • • Permanent wave solutions Chlorinated waxes and cleaners • Chlorine based swimming pool chemicals • Water softening chemicals • • De-icing salts or chemicals Carbon tetrachloride • Halogen type refrigerants • • Cleaning solvents (such as perchloroethylene) Printing inks, paint removers, varnishes, etc. • Hydrochloric acid • • Cements and glues Antistatic fabric softeners for clothes dryers • Masonry acid washing materials All fuel-burning equipment must be supplied with air for fuel combustion. Sufficient air must be provided to avoid negative pressure in the equipment room or space. A positive seal must be made between the furnace cabinet and the return-air duct to prevent pulling air from the burner area. to change without notice. 7 Figure 3 1Multipoise Orientations AIRFLOW 0 THE BLOWER IS LOCATED BELOW THE BURNER SECTION, AND CONDITIONED AIR IS DISCHARGED UPWARD. THE BLOWER IS LOCATED TO THE RIGHT OF THE BURNER SECTION, AND CONDITIONED AIR IS DISCHARGED TO THE LEFT. I HORIZONTAL RIGHT1AF F_LCW THE BLOWER IS LOCATED TO THE LEFT THE BLOWER IS LOCATED ABOVE THE BURNER SECTION, AND CONDITIONED AIR IS DISCHARGED DOWNWARD. OF THE BURNER SECTION, AND CONDITIONED AIR IS DISCHARGED TO THE RIGHT. AIRFLOW L12F010 Figure 5 _Prohibited Installations FIRE, INJURY OR DEATH HAZARD Failure to follow this warning could result in personal death and/or property damage. injury, When the furnace is installed in a residential garage, the burners and ignition sources must be located at least 18-in. (457 mm) above the floor. The furnace must be located or protected to avoid damage by vehicles. When the furnace is installed in a public garage, airplane hangar, or other building having a hazardous atmosphere, the furnace must be installed in accordance with the NFPA 54/ANSI Z223.1-2009 or CAN/CSA B149.1-2010. (See Figure 4) Figure 4 BACK POSITIONED DOWNWARD ,d BACK POSITIONED UPWARD IR RETURN CUT IN BACK 1Installation in a Garage L12F011 Location Relative to Cooling Equipment 18-1N. (457.2 mm) MINIMUM TO BURNERS The cooling coil must be installed parallel with, or on the downstream side of the unit to avoid condensation in the heat exchangers. When installed parallel with the furnace, dampers or other flow control must prevent chilled air from entering the furnace. If the dampers are manually operated, they must be equipped with means to prevent operation of either unit unless the damper is in the full-heat or full-cool position. A93044 Air for Combustion and Ventilation FIRE HAZARD Failure to follow this warning could result in personal death and/or property damage. Introduction injury, Direct Vent (2-Pipe) Do not install the furnace on its back or hang furnace with control compartment facing downward. Safety control operation will be adversely affected. Never connect return-air ducts to the back of the furnace. (See Figure 5) 8 Specifications subject Applications When the furnace is installed as a direct vent (2-pipe) furnace, no special provisions for air for combustion are required. However, other gas appliances installed in the space with the furnace may require outside air for combustion. Follow the guidelines below to insure that other gas appliances have sufficient air for combustion. to change without notice. 440 01 4201 03 Ventilated Combustion Air Applications When the furnace is installed using the ventilated combustion air option, the attic or crawlspace must freely communicate with the outdoor to provide sufficient air for combustion. The combustion air pipe cannot be terminated in attics or crawlspaces that use ventilation fans designed to operate during the heating season. If ventilation fans are present in these areas, the combustion air pipe must terminate outdoors as a Direct Vent/2-Pipe system. All air for combustion is piped directly to the furnace from a space that is well ventilated with outdoor air (such as an attic, crawlspace, or equipment closet) and the space is well isolated from the living space or garage. In addition, other gas appliances installed in the space with the furnace may require outside air for combustion. Follow the guidelines below to insure that the roof or crawlspace walls have sufficient free area to provide sufficient air for combustion and ventilation for the furnaces. The guidelines below can be used to insure that other gas appliances have sufficient air for combustion. Provisions for adequate combustion, ventilation, and dilution air must be provided in accordance with: • U.S. Installations: Section 9.3 of the NFPA 54/ANSI Z223.1-2009 , Air for Combustion and Ventilation and applicable provisions of the local building codes. • Canadian Installations: Part 8 of CAN/CSA-B149.1-2010, Venting Systems and Air Supply for Appliances and all authorities having jurisdiction. Figure 6 and for Dilution for Outdoors lAir Combustion, Ventilation, SQ INI TO OUTDOORS (305ram) 12" MAX 1 SQIN. PER 2000 12_,X (305mrn) _ BTUH* 1 1 SQ IN. PER 4000 BTUH* cO nO O DUCTS TO OUTDOORS rm I-- O SQ IN, PER 4000 BTUH* 1 SO IN. PER 2000 BTUH* T (305mm) iiiil 12" MAX (305mm) CIRCULATING AIR DUCTS TO OUTDOORS *Minimum dimensions of 3-in. (76mm) NOTE: Use any of the following combinations A&B, C&D, D&E, F&G Figure 7 I Combustion I SQ IN, PER 4000 BTUH* Lt2F012 of openings: Air Pipe Point elbow down towards back of furnace FURNACE CORROSION HAZARD Failure to follow this caution may result in furnace damage. Air for combustion must not be contaminated by halogen compounds, which include fluoride, chloride, bromide, and iodide. These elements can corrode heat exchangers and shorten furnace life. Air contaminants are found in aerosol sprays, detergents, bleaches, cleaning solvents, salts, air fresheners, and other household products. 12" MINIMUM 256.0 mm CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in personal injury or death. The operation of exhaust fans, kitchen ventilation fans, clothes dryers, attic exhaust fans or fireplaces could create a NEGATIVE PRESSURE CONDITION at the furnace. Make-up air MUST be provided for the ventilation devices, in addition to that required by the furnace. Refer to the Carbon Monoxide Poisoning Hazard warning in the venting section of these instructions to determine if an adequate amount of make-up air is available. 440 01 4201 03 Specifications subject CASING SIDE ATTACHMENT COMBUSTION AIR PIPE (ATTIC, CRAWL SPACE, OR EQUIPMENT CLOSET ONLY. See AIR FOR COMBUSTION AND VENTILATION Section) to change without notice. TOP PLATE ATTACHMENT COMBUSTION AIR PIPE (ATTIC, CRAWL SPACE, OR EQUIPMENT CLOSET ONLY. See AIR FOR COMBUSTION AND VENTILATION Section) L12F014 9 Outdoor Combustion Air Method d. TWO OPENINGS OR VERTICAL DUCTS require 1 square inch (25.4 square mm)of free area per 4,000 Btuh (550 mm2/kW) for combined input of all gas appliances in the space per Figure 6 and Table 3. 3. ONE OUTDOOR OPENING requires: a. 1 sq. in. (25.4 square mm)of free area per 3,000 Btuh (734 mm2/kW) for combined input of all gas appliances in the space per Table 3 and b. Not less than the sum of the areas of all vent connectors in the space. The opening shall commence within 12-in. (300 mm) of the ceiling. Appliances in the space shall have clearances of at least 1-in. (25 mm) from the sides and back and 6-in. (150 mm) from the front. The opening shall directly communicate with the outdoors or shall communicate through a vertical or horizontal duct to the outdoors or spaces (crawl or attic) that freely communicate with the outdoors. 1. Provide the space with sufficient air for proper combustion, ventilation, and dilution of flue gases using permanent horizontal or vertical duct(s) or opening(s) directly communicating with the outdoors or spaces that freely communicate with the outdoors. 2. Figure 6 illustrates how to provide TWO OUTDOOR OPENINGS, one inlet and one outlet combustion and ventilation air openings to the outdoors. a. One opening MUST commence within 12-in. (300 mm) of the ceiling and the second opening MUST commence within 12-in. (300 mm) of the floor. b. Size openings and ducts per Figure 6 and Table 3. c. TWO HORIZONTAL DUCTS require 1 square inch (25.4 square mm) of free area per 2,000 Btuh (1,100 mm2/kW) of combined input for all gas appliances in the space per Figure 6 and Table 3. Table 3 Minimum Free Area TWO HORIZONTAL (BTUH) 30 40 50 60 70 60,000 80,000 100,000 120,000 140,000 * (19355) (25807) (32258) (38709) (45161) 6 (152) 7 (178) 8 (203) 9 (229) 10 (254) Determining Free Area WATER HEATER Air Opening (1 SQ. IN./3,000 BTUH) (734 SQ. MM/KW) Round Duct In. (mm) Dia Free Area of Opening and Duct Sq. In (Sq. mm) for Each Combustion SINGLE DUCT OR OPENING (1 SQ. IN./2,000 BTUH) (1,100 SQ. MM/KW) FURNACE INPUT EXAMPLE: FURNACE Required DUCTS Round Duct In. (mm) Dia Free Area of Opening and Duct Sq. In (Sq. mm) 20 27 34 40 47 (13043) (17391) (21739) (26087) (30435) 5 6 7 7 8 (127) (152) (178) (178) (203) or Duct to Outdoors TWO OPENINGS OR VERTICAL DUCTS (1 SQ. IN./4,000 BTUH) (550 SQ. MM/KW) Free Area of Opening and Duct Sq. In (mm) Round Duct In. (mm) Dia. 15 (9678) 20 (12904) 25 (16130) 30 (19355) 35 (22581) 5 5 6 6 7 (127) (127) (152) (152) (178) TOTAL INPUT 100,000 + 30,000 = (130,000 divided by 4,000) = 32.5 Sq. In. for each two Vertical Ducts or Openings 60,000 + 40,000 = (100,000 divided by 3,000) = 33.3 Sq. In. for each Single Duct or Opening 80,000 + 30,000 = (110,000 divided by 2,000) = 55.0 Sq. In. for each two Horizontal Ducts Table 4 Minimum Space Volumes for 100% Combustion, Ventilation and Dilution Air from Outdoors OTHER THAN FAN-ASSISTED TOTAL FAN-ASSISTED TOTAL (1,000'S BTUH GAS INPUT RATE) (1,000'S BTUH GAS INPUT RATE) 30 40 50 40 60 80 100 120 AOH Space Volume Ft 3 (M3) 140 0.60 1,050 (29.7) 1,400 (39.6) 1,750 (49.5) 1,400 (39.6) 1,500 (42.5) 2,000 (56.6) 2,500 (70.8) 3,000 (84.9) 3,500 (99.1) 0.50 1,260 (35.6) 1,680 (47.5) 2,100 (59.4) 1,680 (47.5) 1,800 (51.0) 2,400 (67.9) 3,000 (84.9) 3,600 (101.9) 4,200 (118.9) 0.30 1,575 (44.5) 2,100 (59.4) 2,100 (59.4) 2,800 (79.2) 2,625 (74.3) 3,500 (99.1) 2,100 (59.4) 2,800 (79.2) 2,250 (63.7) 3,000 (84.9) 3,000 (84.9) 4,000 (113.2) 3,750 (106.1 ) 5,000 (141.5) 4,500 (127.3) 6,000 (169.8) 5,250 (148.6) 7,000 (198.1 ) 0.20 3,150 (89.1) 4,200 (118.9) 5,250 (148.6) 4,200 (118.9) 4,500 (127.3) 6,000 (169.8) 7,500 (212.2) 9,000 (254.6) 10,500 (297.1) 0.10 0.00 6,300 (178.0) NP 8,400 (237.8) NP 10,500 (297.3) NP 8,400 (237.8) NP 9,000 (254.6) NP 12,000 (339.5) NP 15,000 (424.4) NP 18,000 (509.2) NP 21,000 (594.1) NP 0.40 NP = Not Permitted 10 specifications subjectto change without notice. 440 01 4201 03 CONDENSATE TRAP Special precautions MUST be made if installing furnace in an area which may drop below freezing. This can cause improper operation or damage to the equipment. If the furnace environment has the potential of freezing, the drain trap and drain line must be protected. Use 3 to 6 watt per foot of 115 volt, 40 ° F (4° C) self-regulating shielded and water proof heat tape. Wrap the drain trap and drain line with the heat tape and secure with the ties. Follow the heat tape manufacturer's recommendations. Prime the trap before furnace operation. FROZEN AND BURST WATER PIPE HAZARD Failure to protect against the risk of freezing property damage. may result in Special precautions MUST be made if installing furnace in an area which may drop below freezing. This can cause improper operation or damage to equipment. If furnace environment has the potential of freezing, the drain trap and drain line must be 3rotected. The use of accessory drain trap heaters, electric heat tape and/or RV antifreeze is recommended for these installations. Condensate Trap - Upflow Orientation When the furnace is installed in the upflow position, it is not necessary to relocate the condensate trap or associated tubing. See Figure 8 for upflow condensate trap information. Refer to Condensate Drain section for information how to install the condensate drain. Condensate Orientation Trap - Downflow When the furnace is installed in the downflow position, the condensate trap wilt be initially located at the upper left corner of the collector box, as received from the factory. See the top image in Figure g. When the furnace is installed in the downflow orientation, the condensate trap must be relocated for proper condensate drainage. See bottom image in Figure 9. PROPERY DAMAGE HAZARD Failure to follow this caution may result in burst water pipes and/or property damage. If a condensate pump is installed, a plugged condensate drain or a failed pump may cause the furnace to shut down. Do not leave the home unattended during freezing weather without turning off water supply and draining water pipes or otherwise protecting against the risk of frozen pipes. To Relocate the Condensate Trap: • Orient the furnace in the downflow position. • Figure 9 shows the condensate trap and tubing before and DO NOT trap the drain line in any other location than at condensate drain trap supplied with the furnace. If possible, NOT route the drain line where it may freeze. The drain must terminate at an inside drain to prevent freezing of condensate and possible property damage. Figure 8 |Upflow the DO line the after relocation. Refer to Figure 9 to begin the trap conversion. • Refer to Condensate Drain section for information how to install the condensate drain. Trap Configuration .L Vent Pipe Clamp Vent Elbow Clamp Condensate Trap Relief Port Elbow Plugs Collector Box Plug Sondensate Trap Relief Port Pressure Switch Port Outlet UPFLOW TRAP CONFIGURATION MODULATING Representative 440 01 4201 03 UN{TS drawing only, some models may vary in appearance. specifications subjectto change without notice. Al1306 11 Figure 9 Unconverted Factory Configuration as viewed in the Downflow Orientation Remove pressure switch tube from pressure switch port. Remove relief tube from relief on condensate trap. (_ Remove tube from relief port. collector emove trap box. from __" (MODULATING UNITS) Loosen clamp on inlet to vent elbow. Remove middle and bottom plugs. DO NOT DISCARD. Representative drawing only, some models may vary in appearance. Downflow Trap Configuration Trim excess tube. Connect pressure switch tube to port on collector box. Install plugs on. open ports on collector box. Attach condensate trap with screw to collector box. Connect relief tube port on collector box. Rotate elbow to desired position tighten clamp to 15 lb.-in. (MODULATING Connect relief tube to relief port on condensate trap. UNITS) Align condensate trap over middle and bottom ports of collector box. Slide tube in stand-offs to adjust length. Representative 12 A11585A drawing only, some models may vary in appearance. specifications subjectto change without notice. A11585B 440 01 4201 03 Condensate Trap - Horizontal Orientation When the furnace is installed in the horizontal right position, the condensate trap will be initially located at the bottom of the collector box, as received from the factory. See the top image in Figure 11. When the furnace is installed in the horizontal left position, the condensate trap will be initially located at the top of the collector box, as received from the factory. See the top image in Figure 10. In both cases trap must be repositioned on the collector box for proper condensate drainage. See bottom images in Figure 10 and Figure 11. A field-supplied, accessory Horizontal Installation Kit (trap grommet) is required for all direct-vent horizontal installations (only). The kit contains a rubber casing grommet designed to seal between the furnace casing and the condensate trap. (See Figure 17) NOTE: The condensate trap extends below the side of the casing in the horizontal position. A minimum of 2 in. (51 mm) of clearance is required between the casing side and the furnace platform for the trap to extend out of the casing in the horizontal position. Allow at least 1/4-in. (6 mm) per foot of slope away from the furnace in horizontal sections of drain line. To Relocate the Condensate Trap: • Remove the knockout in the casing for the condensate trap. • Install the grommet in the casing when required for direct-vent horizontal applications. • Orient the furnace in the desired position. • Allow for 2 in. (51 mm) of clearance underneath the furnace for the condensate trap and drain line. • Figure 10 shows the condensate trap and tubing before and after relocation in the horizontal right position. • Figure 11 shows the condensate trap and tubing before and after relocation in the horizontal left position. The field-supplied, accessory horizontal drain trap grommet is ONLY REQUIRED FOR DIRECT VENT APPLICATIONS. It is NOT required for applications using single-pipe or ventilated combustion air venting. • Refer to the appropriate figure to begin the trap conversion. • Refer to Condensate Drain section for information how to install the condensate drain. The condensate trap extends below the side of the casing in the horizontal position. A minimum of 2-in. (51 mm) of clearance is required between the casing side and the furnace 31atform for the trap to extend out of the casing in the horizontal position. Allow at least 1/4-in. per foot (20mm per meter) of slope down and away from the furnace in horizontal sections of drain line. Figure 10 Unconverted Factory Configuration as viewed in the Horizontal Left Orientation Remove trap from If alternate vent position is required, loosen clamp on vent elbow inlet, collector box. Remove relief tube from relief port on condensate trap. Remove pressure switch tube from port on collector © Remove box. relief tube from port on collector box. Remove middle and right plug from collector box. (MODULATING UNITS) DO NOT DISCARD Representative drawing only, some models may vary in appearance. 440 01 4201 03 Specifications subject to change without notice. A11586A 13 Figure 10 - continued Horizontal Left Trap Configuration Install plugs in open ports on collector box. (_ otate elbow to desired position and torque clamp on inlet 15 lb.-in. (_ Slide relief to tube in stand-offs adjust length. (_ trap ttachto collector condensatebox with screw. Connect relief tube to port on collector Trim excess tube. Route pressure switch tube underneath relief tube and connect © box. to port on collector box. Align trap over middle and right-hand collector port on Connect box. (MODULATING relief tube to relief port on condensate trap. UNITS) A11586B Representative drawing only, some models may vary in appearance. Figure 11 1Unconverted (_ Factory Configuration as viewed in the Horizontal Right Orientation collector box. from Remove plug DO NOT DISCARD. If alternate vent position is required, loosen clamp on inlet of vent elbow. (MODULATING Remove trap from collector box. UNITS) Representative drawing only, some models may vary in appearance. 14 specifications subjectto change without notice. 440 01 4201 03 Figure 11 - continued Horizontal Right Trap Configuration Slide relief tube in stand-offs length. to adjust Vent elbow shown in alternate (_ tottach collector box with trap condensate screw. (_ Install plug in open port on collector box. orientation. Tighten clamp on inlet to vent elbow 15 lb.-in. Align trap over middle and right-hand port on collector box. (MODULATING UNITS) Al1281 Representative Condensate drawing only, some models may vary in appearance. Drain Connection heat tape and secure with appropriate plastic ties. Follow the heat tape manufacturer's recommendations. Prime the trap before furnace operation. Upflow/Downflow FROZEN AND BURST WATER PIPE HAZARD Failure to protect against the risk of freezing property damage. may result in Special precautions MUST be made if installing furnace in an area which may drop below freezing. This can cause improper operation or damage to equipment. If furnace environment has the potential of freezing, the drain trap and drain line must be 3rotected. The use of accessory drain trap heaters, electric heat tape and/or RV antifreeze is recommended for these installations. In the Upflow or Downflow orientation, the condensate trap is inside the furnace casing. The condensate drain must be routed from the trap through the furnace casing. The condensate drain can be routed through the left or right side of the casing. (The left or right side is as you are viewing/facing the furnace from the front.) The furnace condensate drain can be connected to the indoor coil condensate drain, humidifier or auxiliary drain traps as shown in Figure 12. NOTE: On narrower casings, it may be easier to remove the condensate trap, connect the drain line components and re-install the condensate trap. Read the steps thoroughly to familiarize yourself with the required steps. For Failure to follow this caution may result in burst water pipes and/or property damage. 440 01 4201 03 Drain: and two 3. Slide a spring clamp 1 in. (25 mm) down the plain end (the end without the formed grommet) of the drain tube. 4. From inside the casing, insert the formed grommet end of the elbow through the 7/8-in. knockout in the casing. 5. Pull the grommet through the casing from the outside until it is seated in the knockout the DO line the specifications subjectto Side Condensate 2. Remove the pre-formed rubber drain tube spring clamps from the loose parts bag. If a condensate pump is installed, a plugged condensate drain or a failed pump may cause the furnace to shut down. Do not leave the home unattended during freezing weather without turning off water supply and draining water pipes or otherwise protecting against the risk of frozen pipes. Special precautions MUST be made if installing furnace in an area which may drop below freezing. This can cause improper operation or damage to the equipment. If the furnace environment has the potential of freezing, the drain trap and drain line must be protected. A self-regulating, shielded and waterproof heat tape rated at 3 to 6 watt per foot (10 to 20 watt per meter) at 115 volt, 40 ° F (4° C) may be used to help provide freeze protection. Wrap the drain trap and drain line with the Right 1. Remove the 7/8-in. knock-out from the right side of the casing. (See Figure 13 for suggested knockout removal technique.) PROPERY DAMAGE HAZARD DO NOT trap the drain line in any other location than at condensate drain trap supplied with the furnace. If possible, NOT route the drain line where it may freeze. The drain must terminate at an inside drain to prevent freezing of condensate and possible property damage. Orientation 6. Attach the plain end of the drain elbow to the outlet stub on the drain trap. Secure the drain elbow to the trap with the spring clamp. The remaining drain line can be constructed from field supplied 1/2-in. CPVC or 3/4-in. PVC pipe in compliance with local building codes. A factory-supplied 1/2-in. CPVC to 3/4-in PVC adapter is supplied in the loose parts bag for use as required. 7. Install the adapter or connect the 1/2-in. CPVC pipe by sliding a spring clamp over the open end of the grommet on the outside of the furnace casing. change without notice. 15 8.Openthespringclampandinsertthe longendofthe adapter ofthe1/2-in.CPVCpipeintotheoutletstubon thedraintube. 9.Connect additional condensatepiping to a code-approved drain,or to a condensate pump approved for usewithacidicfurnacecondensate and compatible withmineralandvegetable oils,suchas canola oil. Allowatleast1/4-in.perfoot(20mmpermeter)ofslopedown andawayfromthefurnace inhorizontal sections ofdrainline. Figure 12 I Example of Field Drain Attachment 1 housing has been removed to ease installation applications, this step is not needed.) in upflow 7. After inserting the "Z" pipe through the casing, slide a spring clamp over each end of the "Z" pipe. 8. From inside the casing, insert the short end of the formed grommet cut from the rubber drain tube through the 7/8-in. drain knockout in the casing. 9. Pull the grommet through the casing from the outside until it is seated in the knockout. 10. Align the "Z" pipe with the long end of the grommet inside the furnace and insert slightly. The angled end of the tube at the other side of the casing should be facing the front of the furnace. 11. Slide a spring clamp over the end of the remaining rubber drain tube. OPEN STAND PIPE FOR A/C OR HUMIDIFIER 12. Attach the drain tube to the angled end of "Z" pipe and the drain trap outlet stub. Adjust the length of "Z" pipe inserted into the grommet at the opposite side of the furnace as necessary for proper fit and positioning. In both upflow and downflow orientations, the "Z" pipe should NOT be resting on any sheet metal parts. DRAIN U _u=---TEE 13. Secure the rubber elbow to the drain trap and the "Z" pipe with spring clamps. 14. Secure the grommet clamp. The remaining drain line can be constructed from field supplied 1/2-in. CPVC or 3/4-in. PVC pipe, in compliance with local building codes. A factory-supplied 1/2-in. CPVC to 3/4-in. PVC adapter is supplied in the loose parts bag for use as required. 15. Install the adapter or connect the 1/2-in. CPVC pipe by sliding a spring clamp over the open end of the grommet on the outside the furnace casing. TO OPEN DRAIN Al1276 TIPS FROM CONTRACTORS: Contractors have found that temporarily removing the inducer assembly in upflow applications while performing the steps below, makes upflow left-side drain connections easier. For Left Side Condensate Drain to the "Z" pipe with the spring 16. Open the spring clamp and insert the long end of the adapter or the 1/2-in. CPVC pipe into the outlet stub on the drain tube. Connection: 17. Connect additional condensate piping to a code-approved drain, or to a condensate pump approved for use with acidic furnace condensate and compatible with mineral and vegetable oils, such as canola oil. 1. For left side condensate drainage, the drain line is routed from the condensate trap, behind the inducer (upflow) or gas valve (downflow) and out through the left side of the furnace casing. A pre-formed 1/2-in. CPVC "Z" pipe is provided with the furnace. The "Z" pipe is long enough to extend across the casing for drain connections. Allow at least 1/4-in. per foot (20 mm per meter) of slope down and away from the furnace in horizontal sections of drain line. 2. Locate the "Z" pipe. Remove the pre-formed drain tube and four spring clamps from the loose parts bag. 3. The "Z" pipe is connected to the condensate trap and the outside of the furnace by modifying the formed rubber The field-supplied, accessory horizontal drain trap grommet is ONLY REQUIRED FOR DIRECT VENT APPLICATIONS. It is NOT required for applications using single-pipe or ventilated combustion air venting. drain tube as shown in Figure 14. 4. Remove the formed grommet from the rubber drain tube by cutting the elbow along the vertical line located about 1 3/8-in. (35 mm) away from the formed grommet. See Figure 13. DO NOT DISCARD THE FORMED GROMMET OR THE RUBBER ELBOW. Both of these pieces will be used. TIPS FROM CONTRACTORS: When installing the furnace horizontally, use the entire drain elbow (that is, do NOT cut as shown in Figure 14) to connect the trap to the drain line. This helps to prevent bumps and shocks to the drain line from damaging the furnace drain trap. Avoid misatignment of the drain pipe which may cause kinks in the elbow. Horizontal Orientation Assemble and route the drain line to the opposite side of the furnace as detailed below: 5. Remove the knock-out (See Figure 13 for technique.) from the left side of the casing. suggested knockout removal 1. The condensate trap outlet extends 2-in. (51 mm) below the furnace casing. Leave enough clearance between the furnace and the furnace platform for the trap. 6. From the outside of the casing, insert the angled end of the "Z" pipe through drain hole in the left side of the casing and behind the inducer or gas valve. Allow the "Z" pipe to temporarily rest on the blower shelf (upflow) or burner box (downfiow). (NOTE: When the inducer 16 specifications subjectto 2. To allow for servicing the trap, the condensate drain elbow in the loose parts bag can be used to make a coupler to allow for future service of the condensate trap and drain line. change without notice. 440 01 4201 03 3. Remove the knock-out side of the casing. for the condensate trap in the 4. Install the drain trap grommet in the casing, if required for direct-vent applications. If necessary, remove the trap, install the grommet and re-install the trap. 5. Remove the pre-formed rubber drain tube and two spring clamps from the loose parts bag. 6. Connect the full or modified elbow and/or grommet to the outlet of the condensate trap with one spring clamp. Avoid misalignment of the drain pipe which may cause kinks in the elbow or grommet. Figure 14 JModify Rubber Drain Elbow Cut line for left side condensate drain. Do not discard parts after cutting, m 7. The remaining drain line can be constructed from field supplied 1/2-in. CPVC or 3/4-in. PVC pipe, in compliance with local building codes. A factory-supplied 1/2-in. CPVC to 3/4-in. PVC adapter is supplied in the loose parts bag for use as required. 8. Install the adapter or connect the 1/2-in. CPVC pipe by sliding a spring clamp over the open end of the elbow or grommet on the outside the furnace casing. 9. Open the spring clamp and insert the long end of the adapter or the 1/2-in. CPVC pipe into the outlet stub on the drain tube. 10. Connect additional condensate piping to a code-approved drain, or to a condensate pump approved for use with acidic furnace condensate and compatible with mineral and vegetable oils, such as canola oil. 1-3/8 in Lll Figure 15 13 |Knockout Connection and Routing Attach elbow to condensate trap Cut formed end off condensate drain Formed end of grommet Allow at least 1/4-in. per foot (20 mm per meter) of slope down and away from the furnace in horizontal sections of drain line. Figure JDrain Trap F089 elbow Oonnect short end of "Z" pipe to modified Removal drain e .L i Factory supplied 1/2-in. CPVC to 3/4-in. PVC adapter TRAP, J DRAIN ELBOW WITH DISCHARGE PIPE o Formed end of grommet Open spring clamp. Insert 1/2-in. to 3/4-in. CPVC to PVC adapter or 1/2-in. CPVC pipe Modified drain elbow connect to condensate trap and "Z" pipe ,5.°¢ /"1 L12F019 CUT HAZARD Failure to follow this caution may result in personal injury. LEFT SIDE DRAIN ROUTED BEHIND INDUCER NOTE: Remove Inducer Housing for easier access, if desired. Sheet metal parts may have sharp edges or burrs. Use care and wear appropriate protective clothing, safety glasses and gloves when handling parts, and servicing furnaces. 440 01 4201 03 specifications subjectto Lt2F015 change without notice. 17 Figure 16 Formed INSTALL ATTACH DRAIN Rubber CLAMPS DRAIN ON Drain DRAIN ELBOW TO DRAIN STUB Figure Grommet ELBOW CONDENSATE TRAP 18 Furnace Pitch Requirements LEVEL 0-IN. (0 MM) TO 1/2-1N.(13 MM) MAX /, / PULL THROUGH / MIN 1/4-IN. (6 MM) TO 1/2-1N.(13 MM) MAX CASING, i / // FRONT UPFLOW OR DOWNFLOW HORIZONTAL Al1237 Supply Air Connections OPEN SPRING CLAMP INSERT FACTORY-SUPPLIED 1/2-1N. CPVC TO 3/4-1N. PVC ADAPTER OR 1/2-1N. CPVC PIPE *CLAMP MAY BE LOCATED ON OUTSIDE RIGHT Figure 17 SIDE 1Horizontal DRAIN OF DRAIN ELBOW INSTALLATION Drain Trap L12F022 For a furnace not equipped with a cooling coil, the outlet duct shall be provided with a removable access panel. This opening shall be accessible when the furnace is installed and shall be of such a size that the heat exchanger can be viewed for possible openings using light assistance or a probe can be inserted for sampling the air stream. The cover attachment shall prevent leaks. Connect supply-air duct to flanges on furnace supply-air outlet. Bend flange upward to 90 ° with wide duct pliers. (See Figure 22) The supply-air duct must be connected to ONLY the furnace supply-outlet-air duct flanges or air conditioning coil casing (when used). DO NOT cut main furnace casing side to attach supply air duct, humidifier, or other accessories. All supply-side accessories MUST be connected to duct external to furnace main casing. Grommet Return Air Connections Remove knockout. Install grommet before relocating condensate trap. Al1348 INSTALLATION This furnace is certified to leak 2% or less of nominal air conditioning CFM delivered when pressurized to 1-inch water column (250 Pa) with all present air inlets (including bottom closure in upflow and horizontal applications), air outlets, and plumbing and electrical ports sealed. UPFLOW INSTALLATION NOTE: The furnace must be pitched as shown in Figure 18 for proper condensate drainage. 18 Specifications subject to change FIRE HAZARD A failure to follow this warning could cause personal injury, death and/or property damage. Never connect return-air ducts to the back of the furnace. Follow instructions below. The return-air duct must be connected to bottom, sides (left or right), or a combination of bottom and side(s) of main furnace casing. Bypass humidifier may be attached into unused return air side of the furnace casing. (See Figure 27, Figure 28 and Figure 29) Bottom Return Air Inlet These furnaces are shipped with bottom closure panel installed in bottom return-air opening. Remove this panel when bottom return air is used. This panel may be used as the bottom closure of an accessory bottom return air box or discarded. To remove bottom closure panel, perform the following: 1. Tilt or raise furnace and remove four (4) screws holding bottom plate. (See Figure 19) 2. Remove bottom plate. 3. Remove bottom closure panel. 4. Reinstall bottom plate and screws. without notice. 440 01 4201 03 Figure 19 _Removing 3. Bottom Closure Panel LJ" Install another nut on other side of furnace base. (Install flat washer if desired.) Adjust outside nut to provide desired height, and tighten inside nut to secure arrangement. Reinstall bottom closure panel if removed. 4. ,j, of 5. DOWN FLOW INSTALLATION NOTE: The furnace must be pitched as shown in Figure 18 for proper condensate drainage. IL *, "'- Supply _ _ _I -- NOTE: For downflow applications, this furnace is approved for use on combustible flooring when any one of the following two accessories are used (see Specification sheets for list of approved accessories): OM " CLOSURE PANEL _ • • BOTTOM PLATE Ltl F004 These furnaces are shipped with bottom closure panel installed in bottom return-air opening. This panel MUST be in place when only side return air is used. NOTE: Side return-air openings can be used in UPFLOW and most HORIZONTAL configurations. Do not use side return-air openings in DOWNFLOW configuration. (See Figure27, Figure 28 and Figure 29) Special Base - NAHA01101SB Cased Coil Assembly- EAM4X, END4X, ENW4X Determine application being installed from Table 5. Construct hole in floor per Table 5 and Figure 21. Construct plenum to dimensions specified in Table 5 and Figure 21. 4. Install as shown in Figure 23. If Coil Assembly Part is used, install as shown in Figure 24. 1. 2. 3. Side Return Air Inlet Leveling Air Connections Figure 21 Floor and Dimensions Plenum Opening Legs (If Desired) In upflow position with side return inlet(s), leveling legs may be used. (See Figure 20) Install field-supplied, 5/16 x 1-1/2 in. (8 x 38 mm) (max) corrosion-resistant machine bolts, washers and nuts. Figure 20 _ Leveling Legs 5/_ (Smm) 1 (44mm) A96283 NOTE: It is recommended that the perforated supply-air duct flanges be completely removed from furnace when installing the furnace on a factory-supplied cased coil. To remove the supply-air duct flange, use wide duct pliers or hand seamers to bend flange back and forth until it breaks off. Be careful of sharp edges. (See Figure 22) 1 3/4" (44mm) (8mrn) 5/16" (8mm) CUT HAZARD (44mm) 1 3/4" (44mm)1 3/4%_ A89014 NOTE: Bottom closure must be used when leveling legs are used. It may be necessary to remove and reinstall bottom closure panel to install leveling legs. To remove bottom closure panel, see Step 1 in Bottom Return Air Inlet section. To install leveling legs: 1. Position furnace on its back. Locate and drill a hole in each bottom corner of furnace. 2. For each leg, install nut on bolt and then install bolt with nut in hole. (Install flat washer if desired.) 440 01 4201 03 Failure to follow this caution may result in personal injury. Sheet metal parts may have sharp edges or burrs. Use care and wear appropriate protective clothing, safety glasses and g oves when hand ing parts, and servicing furnaces. Connect supply-air duct to supply-air outlet on furnace. Bend flange inward past 90 ° with wide duct pliers (See Table 1 Figure 22) The supply-air duct must be connected to ONLY the furnace supply outlet or air conditioning coil casing (when used). When installed on combustible material, supply-air duct must be connected to ONLY the factory-approved accessory subbase, or a factory-approved air conditioning coil casing. DO NOT cut main furnace casing to attach supply side air duct, Specifications subject to change without notice. 19 humidifier, or other MUST be connected accessories. All supply-side accessories to duct external to furnace casing. sides made (left or right). Bypass humidifier at ductwork or coil casing sides Figure Return Air Connections 27) Bottom These FIRE death to follow and/or Return furnaces Air Inlet are shipped with bottom closure panel installed in bottom return-air opening. Remove and discard this panel when bottom return air is used in downflow applications. To remove bottom closure panel, perform the following: HAZARD A failure connections should be exterior to furnace. (See this property warning could cause personal injury, Never connect return-air Fo ow instructions be ow. ducts to the back of the furnace. The return-air duct must be connected to return-air opening bottom inlet) as shown in Figure 27. DO NOT cut into casing Figure 22 1. Tilt or raise furnace and remove four (4) screws bottom plate panel. (See Figure 19) 2. Remove bottom plate. 3. Remove bottom closure 4. Reinstall bottom plate and screws. damage. holding panel. 1Duct Flanges UPFLOW DOWNFLOW HORIZONTAL )RATED DUCT FLANGE I ...... YES YES YES r- ..... 120°_ YES [2--2-- 120_ MIN YES 12 YES MIN MIN NO -_,_ Ll NO NO A10493 Table 5 Opening Dimensions - in. (mm) FURNACE CASI NG WIDTH IN. (mm) PLENUM OPENING A Upflow Applications on Combustible or Noncombustible (subbase not required) 17-1/2 22-1/4 (565) 15-7/8 (403) 19 (483) 16-1/2 (419) 19-5/8 (498) 15-1/8 (384) 19 (483) 16-3/4 (425) 20-5/8 (600) 15-1/2 (394) 19 (483) 16-1/2 (419) 20 (508) 19-1/2 (495) 21-5/8 (549) 20-1/8 (511) 22-1/4 (565) 19-3/8 (492) 19 (483) 20 (508) 19-5/8 (498) 18-5/8 (473) 19 (483) 20-1/4 (514) 20-5/8 (600) 19 (483) 19 (483) 20 (508) 20 (508) 23 (584) 21-1/8 (537) 23-5/8 (600) 22-1/4 (565) 22-7/8 (581) 19 (483) 23-1/2 (597) 19-5/8 (498) Downflow applications on Combustible flooring (subbase required) 22-1/8 (562) 19 (483) 23-3/4 (603) 20-5/8 (600) Downflow Applications on Combustible Flooring with Coil Assembly or coil box (subbase not required) 22-1/2 (572) 19 (483) 23-1/2 (597) 20 (508) Flooring on Combustible Flooring with Coil Assembly or coil box (subbase not required) Upflow Applications on Combustible or Noncombustible (subbase not required) Downflow Applications on Noncombustible (subbase not required) Flooring on Combustible Flooring with Coil Assembly or coil box (subbase not required) Upflow Applications on Combustible or Noncombustible (subbase not required) 20 Flooring Downflow applications on combustible flooring (subbase required) Downflow Applications (622) D 16-5/8 (422) Downflow Applications 24-1/2 C 21-5/8 (549) Downflow applications on combustible flooring (subbase required) (533) B 16 (406) Downflow Applications on Noncombustible (subbase not required) Flooring (445) 21 FLOOR OPENING APPLICATION Downflow Applications on Noncombustible (subbase not required) Specifications subject Flooring Flooring to change without notice. 440 01 4201 03 Figure 23 I Installed Furnace, Furnace, Assembly Figure 24 on a Combustible Floor Plenum, and Subbase Plenum, and Coil on a Combustible FURNACE FURNACE (OR COIL CASING WHEN USED) END4X, ENW4X COIL ASSEMBLY COMBUSTIBLE FLOORING COMBUSTIBLE FLOORING --_ --\ SHEET METAL PLENUM "--". SUBBASE SHEET METAL PLENUM -- Floor FLOOR OPENING FLOOR OPENING Ltl F104 A96285 HORIZONTAL INSTALLATION NOTE: The furnace must be pitched forward Figure 18 for proper condensate drainage. as shown in FIRE, EXPLOSION, AND CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in personal death, or property damage. FIRE, EXPLOSION, AND CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in personal injury, death, or property damage. Do not install the furnace on its back or hang furnace with control compartment facing downward. Safety control operation will be adversely affected. Never connect return-air ducts to the back of the furnace. Do not install the furnace on its back or hang furnace with control compartment facing downward. Safety control operation will be adversely affected. Never connect return-air ducts to the back of the furnace. Suspended Failure to follow this caution may result in minor damage. property Local codes may require a drain pan under entire furnace and condensate trap when a condensing furnace is used in an attic application or over a finished ceiling. Furnace Support The furnace may be supported under the entire length of the furnace with threaded rod and angle iron. (See Figure 25) Secure angle iron to bottom of furnace as shown. Platform MINOR PROPERTY HAZARD injury, Furnace Support Construct working platform at location where all required furnace clearances are met. (See Table 1 and Figure 26) For furnaces with 1-in. (25 mm) clearance requirement on side, set furnace on non-combustible blocks, bricks or angle iron. For crawlspace installations, if the furnace is not suspended from the floor joists, the ground underneath furnace must be level and the furnace set on blocks or bricks. The furnace can be installed horizontally in an attic or crawlspace on either the left-hand (LH) or right-hand (RH) side. The furnace can be hung from floor joists, rafters or trusses or installed on a non-combustible platform, blocks, bricks or pad. 440 01 4201 03 Specifications subject to change without notice. 21 Figure 25 I Suspended Furnace Installation -- COMBUSTION g AiR PIPE (SEE VENTING SECTION) 7ENT ROD DRAIN ND ANGLE iRON OUT COIL SUPPORT FOR HEX REQD. NOTES: 1. A 1 In. (25mm) clearance minimum between top of furnace and combustible material NUT & WASHER (4) PER ROD 2. The entire length of furnace must be suppoded when furnace is used in hodzontam position to ensure proper drainage. ROD LOCATION l USING DIMPLE / LOCATORS 3. Furnace shown is a direct vent application. Refer to the Venting section for allowable vent configurations. NOTE: Local codes may require a drain pan and condensate ceiling Figure 26 A11155 trap when a condensing furnace is installed over a finished I Working Platform for Attic Installation COMBUSTION (SEE VENTING SECTION - AIR PIPE SECTION) VENT (305 ram) MIN HORIZONTAL PIPE IS RECOMMENDED WITH A SHORT (5 TO 8 FT / 1,5 TO 2,4 M) VENT SYSTEM TO REDUCE EXCESSIVE CONDENSATE DROPLETS FROM EXITING THE VENT PIPE, 30" (762 mrn) Min Work Area MANUAL SHUTOFF GAS VALVE SEDI[ TRAP CONDENSATE TRAP NOTE: FURNACE VENTING NOTE: 22 Local codes may require ceiling ROLLOUT PROTECTION REQUIRED Install 1.2" x 22" (305 x 559 mm) sheet metal in front of burner compartment area. INDOOR COIL SHOWN AS DIRECT SECTION a drain pan and condensate Specifications subject VENT APPLICATION. FOR ALLOWABLE REFER trap when a condensing to change without TO THE VENT CONFIGURATIONS notice. A11154 furnace is installed over a finished 440 01 4201 03 Roll-Out Protection Provide a minimum 12-in. x 22-in. (305 x 559 mm) piece of sheet metal for flame roll-out protection in front of burner area for furnaces closer than 12-in. (305 mm) above the combustible deck or suspended furnaces closer than 12-in. (305mm) to joists. The sheet metal MUST extend underneath the furnace casing by 1-in. (25mm) with the door removed. The bottom closure panel may be used for flame roll-out protection when bottom of furnace is used for return air connection. See Figure 26 for proper orientation of roll-out shield. Supply Air Connections For a furnace not equipped with a cooling coil, the outlet duct shall be provided with a removable access panel. This opening shall be accessible when the furnace is installed and shall be of such a size that the heat exchanger can be viewed for possible openings using light assistance or a probe can be inserted for sampling the air stream. The cover attachment shall prevent leaks. Connect supply-air duct to flanges on furnace supply-air outlet. Bend flange upward to 90 ° with wide duct pliers. (See Figure 22) The supply-air duct must be connected to ONLY the furnace supply-outlet-air duct flanges or air conditioning coil casing (when used). DO NOT cut main furnace casing side to attach supply air duct, humidifier, or other accessories. All supply-side accessories MUST be connected to duct external to furnace main casing. The return-air duct may be connected to bottom of the furnace. The side of casing that faces downward may also be used for return air connection. A combination of the bottom and downward facing side may also be used. The upward facing side of the casing cannot be used as a return air connection. (See Figure 29) Return Air Inlet These furnaces are shipped with bottom closure panel installed in bottom return-air opening. Remove this panel when bottom return air is used. This panel may be used for rollout protection or discarded. To remove bottom closure panel, perform the following: 1. Tilt or raise furnace and remove four (4) screws holding bottom plate. (See Figure 19) 2. Remove bottom plate. 3. Remove bottom closure panel. 4. Reinstall bottom plate and screws. Side Return Table 6 Filter Air Inlet These furnaces are shipped with bottom closure panel installed in bottom return-air opening. This panel MUST be in place when side return air inlet(s) are used without a bottom return air inlet. Not all horizontal furnaces are approved for side return air connections (See Figure 29) Size Information FILTER SIZE - inch (mm) FURNACE CASING WIDTH SIDE RETURN BOTTOM RETURN 17-1/2 (445) 16 x 25 x 3/4 (406 x 635 x 19) 16 x 25 x 3/4 (406 x 635 x 19) Washable* 21 (533) 16 x 25 x 3/4 (406 x 635 x 19) 20 x 25 x 3/4 (508 x 635 x 19) Washable* 24-1/2 (622) 16 x 25 x 3/4 (406 x 635 x 19) 24 x 25 x 3/4 (610 x 635 x 19) Washable* Recommended number. Return Air Connections Bottom For upflow applications, the filter can be installed on either side of the furnace, the bottom of the furnace or any combination of side and bottom of the furnace. (See Figure 28, Figure 30, and Figure 31) For downftow applications, the filter rack (or field supplied accessory air cleaner) must only be connected to the bottom opening on the furnace (See Figure 27 and Figure 31 and Table 9). For horizontal applications, the filter rack (or field supplied accessory air cleaner) can be connected to the bottom opening on the furnace. For side return use in the horizontal position, refer to Figure 29. If both side and bottom openings are used in Figure 29, each opening used will require a filter. A filter rack or any field supplied accessory air cleaner can also be installed in the common return duct prior to entering the return air opening in any orientation. See Table 6 for recommended filter size details. to maintain air filter face velocity. See Product FILTER TYPE Data for part Refer to the instructions supplied with the Filter Rack or accessory air filter for additional assembly and installation options. Filter and Return Duct Sizing Pressure drop must be taken into account when sizing filters, filter racks, IAQ devices, and associated system ductwork. See Table7 for a comparison of Pressure Drop (initial/clean resistance to airflow) versus Airflow for a variety of filter media types and sizes. These are representative numbers. Consult the filter or IAQ device manufacturers' specification sheet for performance data for a particular filter media or IAQ device. Design the filter and associated ductwork for the best match of pressure drop versus filter size. Best practice usually chooses filter systems with pressure drops under 0.2 in. w.c. (50 Pa), with the best blower electrical efficiency and system airflow performance occurring with filter pressure drops under 0.1 in. w.c. (25 Pa). Due to the relatively high pressure drops of 1-in (25 mm) thick after-market filter media, it is recommended that the filtration system be designed for at least 2-in (51 mm) thick media. TIPS FROM CONTRACTORS: Install a media cabinet capable of incorporating a 4-in (102 mm) thick media filter. This allows room for future upgrades to other IAQ devices. Filter Arrangement FIRE, CARBON MONOXIDE AND POISONING HAZARD Failure to follow this warning could result in personal injury, or death. Never operate a furnace without a filter or filtration device installed. Never operate a furnace with filter or filtration device access doors removed. Furnaces shipped without a filter rack: There are no provisions for an internal filter in these furnaces. An external filter rack is required and is purchased separately. A field supplied accessory air cleaner may also be used in place of the filter rack. 440 01 4201 03 Specifications subject Design the duct system FIRST to determine how much pressure drop may be allowed in the filter system. See the AIR DUCTS section. Excessive filter pressure drop often compromises system airflow and duct performance, causes inadequate airflow to the furthest ends of the duct system, as well as causes excess noise and higher than anticipated electrical consumption. Provide duct transitions, as required, to smoothly transition airflow from the return duct system to the filter (or IAQ device) to the furnace when the dimensions of the ductwork or furnace return air opening do not match the required filter or IAQ device dimensions. See the instructions supplied with factory-accessory duct adapters. to change without notice. 23 Table 7 Filter Media Pressure Drop (Clean) Versus Airflow - in. w.c. (Pa) Representative After-Market OFM L/s 600 (283) Factory-Accy Washable (1-in./2.5 cm) 0.04 (12) 800 (378) 0.06 (15) O.10 (25) O.15 (39) 1000 (472) 0.07 (18) 0.13 (34) 0.21 (52) 1200 (566) 0.08 (20) O.17 (43) 0.27 (68) 14 x 25 Filter L/s 600 (2-in./5 cm) cm) (1-in./2.5 cm) (17) 0.10 (26) 0.24 (60) O.16 0.34 (85) 0.23 0.32 Representative After-Market (1-in. /2.5 cm) (283) 0.04 (1 O) 0.06 (15) 0.09 (2-in. /5 cm) (1-in. /2.5 cm) (22) 0.20 (51) 0.29 (72) 800 (378) 0.05 (13) 0.08 (21) O.13 (32) 1000 (472) 0.06 (16) 0.11 (28) 0.17 (43) 1200 (566) 0.07 (18) O.14 (36) 0.22 (56) 1400 (661) 0.08 (21) O.18 (45) 0.28 (70) 1600 (755) 0.09 (23) 0.21 (54) 1800 (850) O.10 (25) 0.26 (64) Representative (1-in./2.5 cm) (1-in./2.5 cm) 800 (378) 0.04 (11 ) 0.06 (16) 0.09 1000 (472) 0.05 (13) 0.08 (21) 1200 (566) 0.06 (15) 0.11 1400 (661) 0.07 (17) 1600 (755) 0.08 1800 (850) 2000 (944) 2200 (1038) 800 Filter Media* (1-in./2.5 cm) (24) 0.22 (55) (2-in. /5 0.15 0.13 (32) 0.29 (72) 0.20 (49) (27) 0.16 (41) 0.25 (63) 0.13 (33) 0.20 (51) 0.31 (79) (19) O.16 (40) 0.24 (61) 0.08 (21) O.18 (47) 0.29 (73) 0.09 (23) 0.21 (54) 0.09 (24) 0.25 (62) (2-in./5 cm) Representative Factory-Accy Washable L/s (2-in. /5 cm) 0.13 (34) 0.20 (49) 0.27 (67) Pleated* (L/s) CFM After-Market Fiberglass* CFM 25 x 25 Filter (81) Pleated* cm) Factory-Accy Washable (40) (59) Filter Media* Fiberglass* (1-in./2.5 20 x 25 Filter (2-in. / 5 cm) (1-in./2.5 Washable CFM Pleated* 0.07 Factory-Accy 16x 25 Filter Filter Media* Fiberglass* After-Market cm) (37) Filter Media* Fiberglass* Pleated* (1-in./2.5 cm) (1-in./2.5 cm) (2-in./5 (378) 0.03 (9) 0.05 (12) 0.07 1000 (472) 0.04 (11 ) 0.06 (16) 1200 (566) 0.05 (13) 0.08 1400 (661) 0.06 (15) 1600 (755) 0.06 1800 (850) 2000 2200 cm) (1-in./2.5 cm) (18) O.17 (43) (2-in. /5 0.11 cm) 0.09 (24) 0.22 (55) 0.15 (37) (20) 0.12 (31) 0.27 (68) 0.18 (47) 0.10 (24) 0.15 (38) 0.23 (58) (16) O.11 (29) O.18 (45) 0.28 (69) 0.07 (18) O.13 (34) 0.21 (53) (944) 0.08 (19) 0.16 (39) 0.24 (61) (1038) 0.08 (21) O.18 (45) 0.28 (70) (28) * Representative estimates from filter manufacturer data sheets. See manufacturers' specifications for pressure drop versus airflow data for specific filter media. If the filter size that you are looking for is not contained in Table 7, refer to Table 8 for a comparison of Pressure Drop (initial/clean resistance to airflow) versus Face Velocity for a variety of filter media types. The following equations relate Face Velocity (FPM), Filter Area and Airflow (CFM): Filter Face Velocity = Airflow / Filter Area Minimum Filter Area = Rated System Airflow / Maximum Filter Face Velocity Table 8 Filter Media Pressure Drop (Clean) Versus Velocity - in. w.c. (Pa) Face Velocity Factory-Accy Representative After-Market Filter Media* Washable FPM 200 300 (m/s) (I) (1.5) 400 500 600 (2) (2.5) (3) 700 (3.6) (1-in. / 2.5 cm) 0.04 (10) 0.05 (14) 0.07 (17) 0.08 (21) 0.09 (23) 0.10 (26) Fiberglass* (1-in. / 2.5 cm) 0.05 (13) 0.09 (22) 0.13 (32) 0.18 (44) 0.23 0.29 Pleated* (2-in. / 5 cm) 0.08 (20) 0.13 (34) 0.20 (50) 0.27 (69) (1-in. / 2.5 cm) 0.18 (47) 0.30 (75) (2-in. / 5 cm) 0.12 (31) 0.21 (52) 0.31 (78) * Representative estimates from filter manufacturer data sheets. See manufacturers' specifications for pressure drop versus airflow data for specific filter media. 24 Specifications subject to change without notice. 440 01 4201 03 External Figure 27 J Configurations Downflow Return and AirRestrictions (17 RETURN AIR ....................... _////i ......................... Filter Cabinet Figure 30 Configurations ] Accessory Side Filter Rack / SIDE RETURN NOT PERMI]qED FOR ANY MODEL O ® ® SIDE RETURN NOT PERMITTED FOR ANY MODEL i s_LY L,OFO33 Upflow Return Air Configurations and Restrictions Figure 28 SUPPLY _" ............. _iR//L .................... L10F027 _1..=_ 1 I.,=_(3 cm) -'1 | ® ® ® ® i........................ r_ ® RETURN AIR t r_ I II= 17 _'! (43.5 cm) I C!) RETURN UPFLOW AIR RESTRICTIONS cm)(1.3 TABS ! / (6_m) i ' ! ,,q I (3 16 } 23 _" _ (59 cm) L10F032 IL Figure 29 23A,, ½" cm) RETURN AIR AIR RETURN //(1 tTYP/ // _" OPENING I Configurations Horizontal ReturnandAirRestrictions L12F023 HORIZONTAL RETURN ) TOP NOT PERMITTED ANY MODEL FOR SUPPLY AIR 24 RETURN 0 AIR * NOTE: RESTRICTION SAME FOR HORIZONAL LEFT SIDE RETURN RETURN AIR AIR NOT PERMITTED FLOW 440 01 4201 03 HORIZONAL RETURN AIR RESTRICTIONS FOR 2000 CFM AND ABOVE OF AIR L10F034 Specifications subject to change without notice. 25 Figure 31 Accessory Bottom Air Ducts Filter Rack I om 0 ® @ @ @ Many states, provinces and localities are considering or have implemented standards and/or restrictions on duct sizing practices, ductwork leakage, and/or ductwork thermal, airflow and electrical efficiencies. CONSULT LOCAL CODE OFFICIALS for ductwork design and performance requirements in your area. General Requirements The duct system should be designed and sized according to accepted national standards such as those published by: Air Conditioning Contractors Association (ACCA Manual D), Sheet Metal and Air Conditioning Contractors National Association (SMACNA) or American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE) or consult The Air Systems Design Guidelines reference tables available from your local distributor. The duct system should be sized to handle the required system design CFM at the design external static pressure. The furnace airflow rates are provided in the Service and Technical Manual, Air Delivery-CFM (with filter). When a furnace is installed so that the supply ducts carry air circulated by the furnace to areas outside the space containing the furnace, the return air shall also be handled by duct(s) sealed to the furnace casing and terminating outside the space containing the furnace. Secure ductwork with proper fasteners for type of ductwork used. Seal supply- and return-duct connections to furnace with code approved tape or duct sealer. NOTE: Flexible connections should be used between ductwork and furnace to prevent transmission of vibration. L10F031 B A o e .3 Ductwork passing through unconditioned space should insulated to enhance system performance. When conditioning is used, a vapor barrier is recommended. A 22-5/t I 6 (566.4) Maintain a 1-in. (25 mm) clearance from combustible materials to supply air ductwork for a distance of 36-in. (914 mm) horizontally from the furnace. See NFPA 90B or local code for further requirements. 28-7/16 (722.2) Return ,3 o o o o o o o Ductwork o 2-3/t 6 - ,,=_=. (55.5) Table 9 KIT NO. Dimensional FURNACE WIDTH Drawing - inch (mm) A B NAHB00601 FF 17-1/2 (444.5) 14-5/8 (371.5) 17-5/8 (447.7) NAHB00701FF 21 (533.4) 18-1/8 (460.4) 21-1/8 (536.6) NAH B00801FF 24-1/2 (622.3) 21-5/8 (549.3) 24-5/8 (625.5) 26 Duct Sizing Refer to the Filter Selection and Duct Sizing section for information on the proper selection of filter sizes and the associated ductwork and duct transitions. Improperly designed filtering systems and return ductwork are the most common causes of airflow and/or noise complaints in HVAC systems. o o be air Specifications subject Acoustical Treatment NOTE: Metal duct systems that do not have a 90 degree elbow and 10 ft. (3 M) of main duct to the first branch take-off may require internal acoustical lining. As an alternative, fibrous ductwork may be used if constructed and installed in accordance with the latest edition of SMACNA construction standard on fibrous glass ducts. Both acoustical lining and fibrous ductwork shall comply with NFPA 90B as tested by UL Standard 181 for Class 1 Rigid air ducts. NOTE: For horizontal applications, the top most flange may be bent past 90 ° to allow the evaporator coil to hang on the flange temporarily while the remaining attachment and sealing of the coil are performed. to change without notice. 440 01 4201 03 GAS PIPING FIRE OR EXPLOSION HAZARD FIRE OR EXPLOSION A failure to follow this warning could result in personal injury, death, and/or property damage. HAZARD Failure to follow this warning could result in personal injury, death, and/or property damage. Never purge a gas line into a combustion chamber. Never test for gas leaks with an open flame. Use a commercially available soap solution made specifically for the detection of leaks to check all connections. A fire or explosion may result causing property damage, personal injury or loss of life. If local codes allow the use of a flexible gas appliance connector, always use a new listed connector. Do not use a connector which has previously served another gas appliance. Black iron pipe shall be installed at the furnace gas control valve and extend a minimum of 2-in. (51 mm) outside the furnace. FURNACE DAMAGE HAZARD Failure to follow this caution may result in furnace damage. FIRE OR EXPLOSION Connect gas pipe to furnace using a backup wrench to avoid damaging gas controls and burner misalignment. HAZARD Failure to follow this warning could result in personal injury, death, and/or property damage. Table Use proper length of pipe to avoid stress on gas control manifold and a gas leak. FIRE OR EXPLOSION 10 Maximum Capacity of Pipe NOMINAL IRONPIPE SIZE IN.(aM) INTERNAL DIA. IN.(aM) 1/2 (13) 0,622 (158) HAZARD LENGTH OF PIPE - FT (M) 10 (3.0) 20 (6.0) 30 (9.1) 40 (12.1) 50 (15.2) 175 120 97 82 73 Failure to follow this warning could result in personal injury, death, and/or property damage. 3/4 (19) 0,824 (20,9) 360 250 200 170 151 1 (25) 1,049 (26,6) 680 465 375 320 285 Gas valve inlet and/or inlet pipe must remain capped until gas supply line is permanently installed to protect the valve from moisture and debris. Also, install a sediment trap in the gas supply piping at the inlet to the gas valve. 1-1/4(32) 1.380(35.0) 1400 950 770 660 580 1-1/2(39) 1.610(40.9) 2100 1460 1180 990 900 Gas piping must be installed in accordance with national and local codes. Refer to current edition of NFGC in the U.S.A. Refer to current edition of CAN/CSA B149.1 in Canada. Installations must be made in accordance with all authorities having jurisdiction. If possible, the gas supply line should be a separate line running directly from meter to furnace. NOTE: Use a back-up wrench on the inlet of the gas valve when connecting the gas line to the gas valve. * Cubic ft of gas per hrfor gas pressures of 0.5 psig (14-in. W.C.) or less and a pressure drop of 0.5-in. W.C. (based on a 0.60 specific gravity gas). Ref: Table above, and 6.2 of NFPA54/ANSI Z223.1-2009. 10 An accessible manual equipment shutoff valve MUST be installed external to furnace casing and within 6 ft. (1.8 M) of furnace. Install a sediment trap in riser leading to furnace as shown in Figure 32. Connect a capped nipple into lower end of tee. Capped nipple should extend below level of furnace gas controls. Place a ground joint union between furnace gas control valve and exterior manual equipment gas shutoff valve. Figure 32 I Typical Gas Pipe Arrangement IN THE STATE OF MASSACHUSETTS: 1. 2. 3. 4. Gas supply connections MUST be performed by a licensed plumber or gas fitter. When flexible connectors are used, the maximum length shall not exceed 36-in. (915 mm). When lever handle type manual equipment shutoff valves are used, they shall be T-handle valves. The use of copper tubing for gas piping is NOT approved by the state of Massachusetts. MANUAL _U_ SHUT OFF VALVE _ / "_ (REQUIRED_ SEDIMEN/_T UNION TRAP Refer to Table 10 for recommended gas pipe sizing. Risers must be used to connect to furnace and to meter. Support all gas piping with appropriate straps, hangers, etc. Use a minimum of one hanger every 6 ft. (1.8 M). Joint compound (pipe dope) should be applied sparingly and only to male threads of joints. Pipe dope must be resistant to the action of propane gas. "_'v NOTE: " Union maybe inside the vestibule where permitted by local codes". LIOF030 A 1/8-in. (3 mm) NPT plugged tapping, accessible for test gauge connection, MUST be installed immediately upstream of gas supply connection to furnace and downstream of manual equipment shutoff valve. 440 01 4201 03 Specifications subject to change without notice. 27 Pipingshouldbepressure andleaktestedinaccordance with thecurrent addition oftheNFGOintheUnitedStates,local, andnational plumbing andgascodesbeforethefurnacehas beenconnected. Referto currenteditionof NSONGPIO in Canada. Afterall connections havebeenmade,purgelines andcheck forleakage atfurnace priortooperating furnace. NOTE:The furnacegas controlvalveinletpressuretap connection is suitableto use as test gaugeconnection providing testpressure DOES NOTexceed maximum 0.5psig (14-in.w.c.)statedongascontrol valve.(SeeFigure33) Redundant Figure 33 Valve Automatic Figure 34 ]Gas Entry Left Side Gas Entry. Gas Pipe GrommetRequired For Direct Vent Applications. Gas Pipe Grommet Requirec For DirectVent Applications Control (Modulating) MODULATING eN/OFF Switch All ELECTRICAL ELECTRICAL 338 CONNECTIONS SHOCK HAZARD Failure to follow this warning could result in personal injury or death. Blower door switch opens 115-v power to control. No component operation can occur. Do not bypass or close switch with blower door removed. See Figure 35 for field wiring diagram showing typical field 115-v wiring. Check all factory and field electrical connections for tightness. Field-supplied (33°0) rise. wiring shall conform with the limitations of 63°F Pressure Tap A10496 If pressure exceeds 0.5 psig (14-in. w.c.), gas supply pipe must be disconnected from furnace and capped before and during supply pipe pressure test. If test pressure is equal to or less than 0.5 psig (14-in. w.c.), turn off electric shutoff switch located on furnace gas control valve and accessible manual equipment shutoff valve before and during supply pipe pressure test. After all connections have been made, purge lines and check for leakage at furnace prior to operating furnace. The gas supply pressure shall be within the maximum and minimum inlet supply pressures marked on the rating plate with the furnace burners ON and OFF. Some installations require gas entry on right side of furnace (as viewed in upflow). (See Figure 34) ELECTRICAL SHOCK AND FIRE HAZARD Failure to follow this warning could result in personal injury, death, or property damage. The cabinet MUST have an uninterrupted or unbroken ground according to NEO ANSl/NFPA 70-2011 or local codes to minimize personal injury if an electrical fault should occur. In Canada, refer to Canadian Electrical Code OSA O22.1. This may consist of electrical wire, conduit approved for electrical ground or a listed, grounded power cord (where permitted by local code) when installed in accordance with existing electrical codes. Refer to the power cord manufacturer's ratings for proper wire gauge. Do not use gas piping as an electrical ground. Gas Pipe Grommet For direct vent (2-pipe) applications, the knockout for the gas pipe must be sealed to prevent air leakage. Remove the knockout, install the grommet in the knockout, then insert the gas pipe. The grommet is included in the loose parts bag. (See Figure 34) FURNACE MAY NOT OPERATE HAZARD Failure to follow this caution may result in intermittent furnace operation. Furnace control must be grounded for proper operation or else control will lock out. Control must remain grounded through green/yellow wire routed to gas valve and manifold bracket screw. 115-V Wiring Furnace must have a 115-v power supply properly connected and grounded. NOTE: Proper polarity must be maintained for 115-v wiring. Control status indicator light flashes code 10 and furnace does 28 Specifications subject to change without notice. 440 01 4201 03 not operate grounded. if polarity is incorrect or if the furnace is not Use a separate, fused branch electrical circuit with a properly sized fuse or circuit breaker for this furnace. See Table 11 for wire size and fuse specifications. A readily accessible means of electrical disconnect must be located within sight of the furnace. Verify that the voltage, frequency, and phase correspond to that specified on unit rating plate. Also, check to be sure that service provided by utility is sufficient to handle load imposed by this equipment. Refer to rating plate or Table11 for equipment electrical specifications. U,S,A, Installations: Make all electrical connections in accordance with National Electrical Code (NEC) ANSI/NFPA 70 and any local codes or ordinances that might apply. Canadian Installations: Make all electrical connections in accordance with the current edition of the Canadian Electrical Code CSA C22.1 and any local codes or ordinances that might apply. J-Box Installation FIRE OR ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal death, or property damage. injury, If field-supplied manual disconnect switch is to be mounted on furnace casing side, select a location where a drill or fastener cannot damage electrical or gas components. The J-Box is used when field line voltage electrical connections are made to the furnace wiring harness inside the furnace casing. The J-Box is not required if a field-supplied electrical box is attached to the outside of the furnace casing and the box is grounded to the green ground wire of the main wiring harness and the earth ground of the field electrical supply. FIRE HAZARD Failure to follow this warning could result in personal injury, death, or property damage. Do not connect aluminum wire between disconnect switch and furnace. Use only copper wire. The J-Box cover, mounting bracket and screws are shipped in the loose parts bag included with the furnace. The J-Box can be mounted on the left or right side of the casing, as viewed from the upfiow position. (See Figure 36) SWITCH Al1146 Figure 35 I Heating and Cooling Application Wiring Diagram with Single-Stage .... .... -- NOTE 2 FIVE_ WIRE THREEWiRE BLOWER DOOR SWITCH _ (_ (_) (_) I I I I I I I I I 1-STAGE THERMOSTAT TERMINALS I ONLY c@ TN@ 115-VOLTFIELD- JUNCTION SUPPLIED BOX FUSED DISCONNECT I I I I I I L__I I I I I I I I I I I I I I I I I I I I rl I I -- "_ ..... R @ O NOTE1 24-VOLT TERMINAL BLOCK FURNACE I I Thermostat FIELD 24-VOLT WIRING FIELD 115-, 208/230-, 460-VOLT WIRING FACTORY 24-VOLT WIRING FACTORY 115-VOLT WIRING FIELD-SUPPLIED FUSEDDISCONNECT 208/230- OR _60-VOLT iiiii/iiii!iiiiiiiii PHASE | | i I I H ==_===1208/230- D-4_ == .J_FT-Tt,=,_== = _VOLT I"_ - -I f'SINGLE _-J-1 II II I I_ J I L._____ I CONDENSING UNiT NOTES: 1. Connect Y/Y2-terminal as shown for proper operation. 2. Some thermostats require a "C" terminal connection as shown. 3. If any of the original wire, as supplied, must be replaced, use same type or equivalent wire, Al1401 440 01 4201 03 Specifications subject to change without notice. 29 Figure 36 5. Optional J-Box Locations 6. 7. 8. OPTIONAL J-BOX __CATIONS 9. Route external field power wires through holes in electrical box and casing. Connect field ground wire and factory ground wire to green ground screw on J-Box mounting bracket as shown in Figure 37. Connect field power and neutral leads to furnace power leads, as shown in Figure 35. Attach furnace J-Box cover to mounting bracket with screws supplied in loose parts bag. Do not pinch wires between cover and bracket. Complete external disconnect wiring and installation. Connect line voltage leads as shown in Figure 38. Use best practices (NEC) ANSl/NFPA 70 in U.S. for wire bushings, strain relief, etc., and Canadian Electrical Code CSA O22.1. Figure 38 / Representative / J GROUNU drawing only, some models may vary in appearance. L12F024 NEUTRAb Remove the J-Box cover and mounting bracket from the loose parts bag. Select a 7/8-in. (22 mm) knock-out on the desired side of the casing. Remove the knock-out from the casing. Drill two 1/8-in. (3 mm) pilot holes in the casing dimples by the desired 7/8-in. (22 mm) knock-out. Align the J-Box mounting bracket against the inside of the casing and secure the mounting bracket with the screws. (See Figure 37) Electrical Box on Furnace Casing Side NOTE: Check that duct on side of furnace will not interfere with installed electrical box. 1. Fasten a field-supplied external electrical box to the outside of the casing by driving two field-supplied screws from inside electrical box into casing. (See Figure 38) 2. Route field power wiring into external electrical box. 3. Pull furnace power wires through 1/2-in. (12 mm) diameter hole in J-Box. If necessary, loosen power wires from strain-relief wire-tie on furnace wiring harness. 4. Connect any code required external disconnect(s) to field power wiring. Figure 37 J-Box Bracket A10141 Power Cord Installation in Furnace J-Box NOTE: Power cords must be able to handle the electrical requirements listed in Table 11. Refer to power cord manufacturer's listings. 1. Install J-Box mounting casing. (See Figure 37) bracket to inside 2. Route listed power cord through 7/8-in. diameter hole in casing and J-Box bracket. Installation J-BOX MOUNTING SCREWS of furnace (22 mm) 3. Secure power cord to J-Box bracket with a strain relief bushing or a connector approved for the type of cord used. \.. J-BOX __. MOUNTING \\ BRACKET Casing Electrical Box on I Furnace Field-Supplied 4. Pull furnace power wires through 1/2-in. (12 mm) diameter hole in J-Box. If necessary, loosen power wires from strain--relief wire-tie on furnace wiring harness. \ 5. Connect field ground green ground screw shown in Figure 37. "\\ wire and factory ground wire to on J-Box mounting bracket as 6. Connect power cord power and neutral leads to furnace power leads as shown in Figure 35. 7. Attach furnace J-Box cover to mounting bracket with screws supplied in loose parts bag. Do not pinch wires between cover and bracket. BX Cable Installation 1. Install J-Box casing. mounting in Furnace bracket to J-Box inside of furnace L12F025 30 Specifications subject to change without notice. 440 01 4201 03 2. Route BX connector through 7/8-in. (22 mm) diameter hole in casing and J-Box bracket. 3. Secure BX cable to J-Box bracket with connectors approved for the type of cable used. 4. Connect field ground wire and factory ground wire to green ground screw on J-Box mounting bracket as shown in Figure 37. 5. Connect field power and neutral leads to furnace power leads, as shown in Figure 35. 2. Connect an accessory 24 VAC, 0.5 amp. Maximum (if used) to the 1/4-in mate quick-connect HUM terminal and COM-24V screw terminal on the control board thermostat strip. 6. Attach furnace J-Box cover to mounting bracket with screws supplied in loose parts bag. Do not pinch wires between cover and bracket. 24-V NOTE: If the humidifier has its own 24 VAC power supply, an isolation relay may be required. Connect the 24 VAC coil of the isolation relay to the HUM and COM/24V screw terminal on the control board thermostat strip. (See Figure 40) 3. Communication Connector This connection is used when the furnace is controlled by an optional communicating wall control instead of a standard thermostat. The communication plug is supplied with the communicating wall control. Refer to the instructions supplied with the communicating wall control for complete details. 4. Outside Air Thermistor (OAT) The OAT connection is used in conjunction with communicating wall control. It is not required when the furnace is controlled by a standard type thermostat. Refer to the instructions supplied with the communicating wall control for complete details. Wiring Make field 24-v connections at the 24-v terminal strip. (See Figure 40) Connect terminal Y/Y2 as shown in Figure 35 for proper cooling operation. Use only AWG No. 18, color-coded, copper thermostat wire. NOTE: Use AWG No. 18 color-coded copper thermostat wire for lengths up to 100 ft. (30.5 M). For wire lengths over 100 ft., use AWG No. 16 wire. The 24-v circuit contains an automotive-type, 3-amp. fuse located on the control. Any direct shorts during installation, service, or maintenance could cause this fuse to blow. If fuse replacement is required, use ONLY a 3-amp. fuse of identical size. (See Figure 39 and Figure 40) See the Service and Technical Support manual for detailed instructions on control wiring and setup. Thermostats and Control Settings Alternate Power Supplies For best results, use a communicating wall control to control this modulating furnace. A single stage or two-stage heating and cooling thermostat can be used with the furnace. The furnace control board CPU will control the furnace and outdoor unit staging. A two stage heating and cooling thermostat can also be used to control the staging. However, full modulating capability will not be available when the furnace staging is controlled by the thermostat. Furnace staging will be limited to Minimum and Maximum inputs or Intermediate and Maximum inputs depending on the configuration of set-up switches SWl-2 and SW4-2. Refer to typical thermostat wiring diagrams and the Sequence of Operation section for additional details. Consult the thermostat installation instructions for specific information about configuring the thermostat. Accessories 1. male 1/4-in quick-connect terminals on the control board marked EAC-1 and EAC-2. The terminals are rated for 115VAC, 1.0 amps maximum and are energized during blower motor operation. Humidifier (HUM) The HUM terminal is a 24 VAC output, energized when the blower is operating during a call for heat. This furnace is designed to operate on a utility generated power which has a smooth sinusoidat waveform. If the furnace is to be operated on a generator or other alternate power supply, the alternate power supply must produce a smooth sinusoidal waveform for compatibility with furnace electronics. The alternate power supply must generate the same voltage, phase, and frequency (Hz) as shown in Table 11 or on the furnace rating plate. Power from an alternate power supply that non-sinusoidat damage the furnace or cause erratic furnace operation. Contact the alternate specifications and details. power supply may manufacturer for (See Figure 39 and Figure 40) Electronic Air Cleaner (EAC) Connect an accessory Electronic Air Cleaner (if used) using 1/4-in female quick connect terminals to the two Table 11 Electrical Data - MODULATING MINIMUM WIRE SIZE AWG MAXIMUM WIRE LENGTH FT (M):_ 12.7 14 29 (8.8) MAXIMUM FUSE OR CKT BKR AMPS_ 15 19.1 12 30 (9.1) 20 9.7 12.7 14 29 (8.8) 15 104 14.8 19.1 12 30 (9.1) 20 127 104 14.8 19.1 12 30 (9.1) 20 127 104 14.8 19.1 12 30 (9.1) 20 OPERATING VOLTAGE RANGE* VOLTSHERTZPHASE Maximum* 0601714 115-60-1 127 104 9.7 0602120 115-60-1 127 104 14.8 0801714 115-60-1 127 104 0802120 115-60-1 127 1002122 115-60-1 1202422 115-60-1 UNIT SIZE (F/G)9MAC Minimum* MAXIMUM UNIT AMPS UNIT AMPACITY# Permissible limits of the voltage range at which the unit operates satisfactorily. # Unit ampacity = 125 percent of largest operating component's full load amps plus 100 percent of all other potential operating components' amps. 1-Time-delay type is recommended. $ Length shown is as measured one way along wire path between 440 01 4201 03 unit and service panel for maximum Specifications subject to change without (EAC, humidifier, etc.) full load 2 percent voltage drop. notice. 31 Figure39 1Isolation Relay for Humidifiers with Internal Power Supply 0 To Humidifier Leads To HUM Terminal On Furnace Control Board I 24 V Coil To Humidifier Leads 0 To Com/24V Screw Terminal on Thermostat Strip Al1157 Figure 40 I Variable Speed Furnace Control - Switch Locations OAT SW4 P,4 SW-1 SW2 SW3 .q L11F080 32 Specifications subject to change without notice. 440 01 4201 03 Figure 40 - continued Example of Variable Speed Furnace Control for ECM Blower Motor (Modulating) COMMUNICATION CONNECTOR MODEL CONTINUOUS (CF) PLUG SETUP FAN AIRFLOW SWITCHES OUTDOOR SW4 AIR SWITCHES TEMP SETUP CONNECTOR PL8 MODULATING CONNECTOR SWITCHES _ _4 AND _ / OAT _ ,/ / SLOWERDELAyOFF _ AIR CONDITIONING (A/C) AIRFLOW SETUP SWITCHES -............. PL8 _ TERMINAL _* I t /_ I d;=T=_= 24 V THERMOSTAT TERMINALS 0.5 AMP ........ I v _" _ (24A!AC MAX. ACRDJ FLASH UPGRADE CONNECTOR / I (FACTORY STATUS AND COMM LED LIGHTS -----'----"-" s_O COMM O_ 3 AMP FUSE /_ _ =_::::_:::=_ _ PL3 6 ECM SLOWER ONLY) CONNECTOR s_'c TRANSFORMER 24 CONNECTIONS 115 I_ I_ HARNESS VAC VAC (L2) NEUTRAL CONNECTIONS t PL1 6 LOW VOLTAGE MAIN HARNESS CONNECTOR SOFTWARE VERSION N EAC 1 TERMINAL (t15 VAC 1.0 AMP MAX.) 115 VAC (L1) LtNE VOLTAGE CONNECTIONS ,%T2OT,cE g Pof MOTOR CONNECTOR Lll F091 VENTING NOTE: Planning for the venting system should be done in conjunction with planning for the ductwork, drainage, and furnace accessories, such as air cleaners and humidifiers. Begin assembling the venting system AFTER the furnace is set in place in the required orientation. Venting for this furnace shall follow all Local codes for category IV venting systems. This furnace is CSA approved for venting with PVC/ABS DWV venting systems. This furnace is also CSA approved for venting the M&G DuraVent ® PolyPro ® polyproplylene venting systems. NOTE: THESE INSTRUCTIONS DO NOT CONTAIN DETAILED INSTALLATION INSTRUCTIONS FOR POLYPROPYLENE VENTING SYSTEMS. Refer to the polyproplylene venting system manufacturer's installation instructions for the polyproplylene venting system installation. NOTE: When using polypropylene venting systems, all venting materials used, including the vent terminations, must be from the same manufacturer. Special Venting in Canada Requirements for Installations Installation in Canada must conform to the requirements of CAN/CSA B149 code. Vent systems must be composed of pipe, fittings, cements, and primers listed to ULC S636. The special vent fittings, accessory concentric vent termination kits, and accessory external drain trap available from the furnace manufacturer have been certified to ULC $636 for use with those Royal Pipe and IPEX PVC vent components which have been certified to this standard. In Canada, the primer and cement must be of the same manufacturer as the vent system - GVS-65 Primer (Purple) for Royal Pipe or IPEX System 636, PVC/CPVC Primer, Purple Violet for Flue Gas Venting and 440 01 4201 03 Specifications subject GVS-65 PVC Solvent Cement for Royal Pipe or IPEX System 636(1)t, PVC Cement for Flue Gas Venting, rated Class IIA, 65 deg C. must be used with this venting system - do not mix primers and cements from one manufacturer with a vent system from a different manufacturer. Follow the manufacturer's instructions in the use of primer and cement and never use primer or cement beyond its expiration date. The safe operation, as defined by ULC $636, of the vent system is based on following these installation instructions, the vent system manufacturer's installation instructions, and proper use of primer and cement. All fire stop and roof flashing used with this system must be UL listed material. Acceptability under Canadian standard CAN/CSA B149 is dependent upon full compliance with alt installation instructions. Under this standard, it is recommended that the vent system be checked once a year by qualified service personnel. The authority having jurisdiction (gas inspection authority, municipal building department, fire department, etc) should be consulted before installation to determine the need to obtain a permit. *IPEX System 636 _' is a trademark of IPEX Inc. Consignes ventilation sp6ciales pour I'installation au Canada de L'installation faite au Canada doit se conformer aux exigences du code CAN/CSA B149-2010. Ce syst_me de ventillation dolt se composer de tuyaux, raccords, ciments et appr_ts conformes au ULC $636. La tuyauterie de ventilation des gaz, ses accessoires, le terminal concentrique mural ainsi que I'ensembte du drain de condensation exterieur fourni par le fabricant de cette fournaise ont 6te certifies ULC S636 pour I'application des composantes Royal Pipe, IPEX PVC qui sont certifiees & ce standard. Au Canada, I'appr_t et le ciment doivent _tre du m_me fabricant que le systeme d'evacuation. to change without notice. 33 Uappr_t GVS-65 (Purple) et le ciment-solvant GVS-65 doivent _tre utilise avec les Royal Pipe. Systeme IPEX 636, appr_t PVC/CPVC, Purple pour evacuation des gaz de combustion et systeme IPEX 636(1)t, ciment PVC pour evacuation des gaz de combustion, cote classe IIA, 65 deg C. doivent _tre utilises avec le systeme d'evacuation IPEX 636 - Ne pas combiner I 'appr_t et le ciment d'un manufacturier avec un systeme d'evacuation d'un manufacturier different. Bien suivre les indications du manufacturier Iors de I'utilisation de I'appr_t et du ciment et ne pas utiliser ceux-ci si la date d'expiration est atteinte. Uoperation securitaire, tel que definit par ULC S636, du systeme de ventilation est base sur les instructions d'instaltation suivantes, ainsi que I'usage approprie de I'appr_t et ciment. Tout arret feu et solin de toit utilises avec ce systeme doivent _tre des materiaux listes UL. L'acceptation du standard Canadien CAN/CSA B149 est directement relie & rinstallation conforme aux instructions cihaut mentionnees. Le standard Canadien recommande I' inspection par un personel qualifie et ce, une fois par annee. Les autoritees ayant juridiction (inspecteurs de gas, inspecteurs en b&timents, departement des incendies, etc) devraient _tre consultees avant I'installation afin de determiner si un permis est requis. CARBON MONOXIDE POISONING HAZARD Failure to follow the steps outlined below for each appliance connected to the venting system being placed into operation could result in carbon monoxide poisoning or death. Failure to follow the steps outlined below for each appliance connected to the venting system being placed into operation could result in carbon monoxide poisoning or death. 1. Seal any unused openings in venting system. 2. Inspect the venting system for proper size and horizontal pitch, as required in the National Fuel Gas Code, ANSI Z223.1/NFPA 54 or the CSA B149.1 Natural Gas and Propane Installation Code and these instructions. Determine that there is no blockage or restriction, leakage, corrosion and other deficiencies, which could cause an unsafe condition. 3. As far as practical, close all building doors and windows and all doors between the space in which the appliance(s) connected to the venting system are located and other spaces of the building. 4. Close fireplace dampers. 5. Turn on clothes dryers and any appliance not connected to the venting system. Turn on any exhaust fans, such as range hoods and bathroom exhausts, so they are operating at maximum speed. Do not operate a summer exhaust fan. 6. Follow the lighting instructions. Place the appliance being inspected into operation. Adjust the thermostat so appliance is operating continuously. 7. Test for spillage from draft hood equipped appliances at the draft hood relief opening after 5 minutes of main burner operation. Use the flame of a match or candle. 8. If improper venting is observed during any of the above tests, the venting system must be corrected in accordance with the National Fuel Gas Code, ANSI Z223.1/NFPA 54 and/or CSA B149.1 Natural Gas and Propane Installation Code. 9. After it has been determined that each appliance connected to the venting system properly vents when tested as outlined above, return doors, windows, exhaust fans, fireplace dampers and any other gas-fired burning appliance to their previous conditions of use. 34 Specifications subject General If this furnace replaces a furnace that was connected to a vent system or chimney, the vent or vent connectors of other remaining appliances may need to be re-sized. Vent systems or vent connectors of other appliances must be sized to the minimum size as determined using appropriate table found in the current edition of National Fuel Gas Code NFPA 54/ANSI Z-223.1. In Canada, refer to CAN/CSA-B149.1 An abandoned masonry chimney may be used as a raceway for properly insulated and supported combustion-air (when applicable) and vent pipes. Each furnace must have its own set of combustion-air and vent pipes and be terminated individually, as shown in Figure 47 for Direct Vent (2-pipe) system or Figure 48 for ventilated combustion air option. A furnace shall not be connected to a chimney flue serving a separate appliance designed to burn solid fuel. Other gas appliances with their own venting system may also use the abandoned chimney as a raceway providing it is permitted by local code, the current edition of the National Fuel Gas Code and the vent or liner manufacturer's installation instructions. Care must be taken to prevent the exhaust gases from one appliance from contaminating the combustion air of other gas appliances. Do not take combustion air from inside the chimney when using ventilated combustion air or single pipe vent option. These furnaces can be vented either as direct vent furnace, or as ventilated combustion air system. Each type of venting system is described below. Common venting between furnaces or other appliances prohibited. Materials U.S.A. Combustion air and vent pipe, fittings, primers, and solvents must conform to American National Standards Institute (ANSI) standards and American Society for Testing and Materials (ASTM) standards. See Table 13 for approved materials for use in the U.S.A. This furnace is also CSA approved for venting with M&G DuraVent® PolyPro® polyproplylene venting systems. Canada Special Venting Requirements for Installations in Canada Installation in Canada must conform to the requirements of CAN/CSA B149 code. Vent systems must be composed of pipe, fittings, cements, and primers listed to ULC S636. M&G DuraVent PolyPro polyproplylene venting systems are ULC S636 listed. NOTE: When using polypropylene venting systems, all venting materials used, including the vent terminations, must be from the same manufacturer. to change without notice. 440 01 4201 03 Venting Systems OPTIONAL CONFIGURATION INLET PIPE CARBON MONOXIDE POISONING HAZARD Failure to follow the instructions outlined in Locating the Vent Termination for each appliance being placed into operation could result in carbon monoxide poisoning or death. For all venting configurations for this appliance and other gas appliances placed into operation for the structure, provisions for adequate combustion, ventilation, and dilution air must be 3rovided in accordance with: U.S.A. Installations: Section 9.3 NFPA 54/ANSI Z223.1 1-2009, Air for Combustion and Ventilation and applicable 3rovisions of the local building codes. Canadian Installations: Part 8 of CAN/CSA-B149.1-10. Venting Systems and Air Supply for Appliances and atl authorities having jurisdiction. RECOMMENDED SUPPORT FOR VENT TERMINATIONS It is recommended that sidewall vent terminations of over 24 inches (0.6 M) in length or rooftop vent terminations of over 36 inches (1 M) in length be supported by EITHER the factory accessory vent termination kit or field-supplied brackets or supports attached to the structure. A factory accessory vent termination kit may be used for direct vent terminations. Termination kits are available for 2-in. or 3-in. pipe. See Table 12 for available options. A factory accessory concentric vent termination kit is available for direct vent terminations. Concentric vent termination kits are available for 2-in. and 3-in. pipe. See Table 12 for available options. Table 12 DirectVent (2-pipe) Termination Kit Vent Termination Kit for Direct Vent (2-pipe) Systems Diam, Of Termination Combustion Air System and Vent Pipes in,(mm) 2-in (51 mm) Concentric Vent Kit Single Penetration of Wall or Roof 1, 1-1/2, 2, or 2-1/2 (25, 38, 51, 64 mm) 3-in (76 mm) Concentric Vent Kit Single Penetration of Wall or Roof 2-1/2, 3 or 4 (64, 76, 102 mm) Termination Bracket Kit 2-Pipe Termination System 1, 1-1/2, 2, or 2-1/2 Termination Bracket 2-Pipe Termination System 2-in 3-in (51 mm) (76 mm) Direct Vent / 2-Pipe (25, 38, 51, 64 mm) 2-1/2, 3 or 4 (64, 76, 102 mm) System In a direct vent (2-pipe) system, all air for combustion is taken directly from outdoor atmosphere, and all flue products are discharged to outdoor atmosphere. Combustion-air and vent pipes must terminate together in the same atmospheric pressure zone, either through the roof (preferred) or a sidewall. See Figure57 for references to clearances required by National code authorities. 440 01 4201 03 Specifications subject FOR COMBUSTION AIR In applications where there is a risk of excessive moisture entering the combustion air inlet pipe, a moisture trap may be added to the inlet pipe to help prevent moisture from entering the furnace from the combustion air inlet pipe. See Figure 49. When sizing venting systems, the equivalent length of the optional inlet pipe moisture trap must be taken into account. Ventilated Combustion Air Systems In a ventilated combustion air option, the vent terminates and discharges the flue products directly to the outdoors similar to a direct vent system. See Figure 58 for references to clearances required by National code authorities. All air for combustion is piped directly to the furnace from a space that is well ventilated with outdoor air (such as an attic or crawl space) and the space is well isolated from the living space or garage. Combustion air requirements for this option are the same as the requirements for providing outside air for combustion for a single pipe vent system. Refer to the "Air For Combustion and Ventilation Section." OPTIONAL VENTING BELOW THE FURNACE The venting system may be positioned below the furnace ONLY IF the factory accessory External Vent Trap Kit is used. The External Vent Trap Kit is only approved for PVC/ABS DWV venting systems. CAREFULLY FOLLOW THE INSTRUCTIONS PROVIDED WITH THE EXTERNAL VENT TRAP KIT FOR LAYING OUT THE VENTING SYSTEM AND THE DRAIN SYSTEM. The instructions included with this furnace DO NOT APPLY to vent systems that are located below the furnace CARBON MONOXIDE POISONING HAZARD Failure to follow the instructions outlined in Locating the Vent Termination for each appliance being placed into operation could result in carbon monoxide poisoning or death. The instructions included with this furnace DO NOT APPLY to vent systems that are located below the furnace. CAREFULLY FOLLOW THE INSTRUCTIONS PROVIDED WITH THE EXTERNAL VENT TRAP KIT FOR LAYING OUT THE VENTING SYSTEM AND THE DRAIN SYSTEM when all or part of the venting system is placed below the furnace. Proper configuration of the venting and drain system is critical when placing all or part of the venting system below the level of the furnace. VENT GASSES COULD BE RELEASED FROM THE DRAINAGE SYSTEM, if the instructions provided with the External Vent Trap Kit are not followed. to change without notice. 35 Table13 Approved ASTM SPECIFICATION MATERIAL (MARKED ON MATERIA_ D1527 ABS D1785 PVC D2235 For ABS D2241 PVC D2466 PVC D2468 ABS D2564 For PVC D2661 ABS D2665 PVC F438 CPVC F441 CPVC F442 CPVC F493 For CPVC Combustion-Air and Vent Pipe, Fitting and Cement Materials (U.S.A. Installation) PIPE FITTINGS Pipe Pipe - Fittings Fittings - Pipe Pipe Fittings Fittings Pipe Pipe - Fittings - Pipe - F656 For PVC - - F891 PVC Pipe - Figure 41 Schedule-40 For ABS SDR-21 & SDR-26 Schedule-40 Solvent Cement - ABS DESCRIPTION Schedule-40 Pipe F628 SOLVENT CEMENT AND PRIMERS Solvent Cement Solvent Cement Schedule-40 For PVC DWV at Schedule-40 IPS sizes DWV Schedule-40 Schedule-40 SDR For CPVC Cellular Core DWV at Schedule-40 sizes Primer For PVC Cellular Core Schedule-40 Vent Coupling and Adapter with Gaskets Figure 42 IPS Vent Pipe & DWV Flush with Adaptor VENT PIPE ADAPTER WITH GASKET INSTALLED ON FURNACE VENT PIPE IS CUT FLUSH WITH TOP OF ADAPTER. L Vent Coupling and Adapter A11339A Figure 43 Vent Pipe Flush Showing Coupling ALIGN NOTCHES IN VENT PIPE COUPLING OVER STAND-OFF ON ADAPTER. TORQUE LOWER CLAMP 15 LB-IN. WHEN REMAINING VENT PIPE IS INSTALLED, TORQUE UPPER CLAMP TO 15 LB-IN. Attach gaskets to vent pipe and combustion air adapters. Al1314 A11889B 36 Specifications subject to change without notice. 440 01 4201 03 Locating the Vent Termination General NOTE: Termination Requirements for the Provinces of Alberta and Saskatchewan are located at the end of this section. Combustion-air inlet pipe (Direct Bent/2-Pipe system only) and vent pipe must terminate outside structure, either through sidewall or roof. For vent termination clearance, references to National codes are shown in Figure 57 for Direct Vent/2-Pipe system and Figure 58 for Ventilated Combustion Air system. For exterior termination arrangements, refer to Figure57 for Direct Vent/2-Pipe system and Figure 58 for Ventilated Combustion Air system. Contact Local code authorities for other requirements to and/or exemptions from the National codes shown in the figures. Roof termination is often preferred since it is less susceptible to damage or contamination, is usually located away from adjacent structures, is less prone to icing conditions, and often has less visible vent vapors. Sidewall terminations may require sealing or shielding of building surfaces with a corrosive resistance material due to the corrosive properties of combustion products from vent system as well as protection of adjacent structures. RECOMMENDED SUPPORT FOR VENT TERMINATIONS location for termination, 1. Comply with all clearance requirements Figure 57 or Figure 58 per application. consider stated in 2. Termination or termination kit should be positioned where vent vapors will not damage plants/shrubs or air conditioning equipment. 3. Termination or termination kit should be positioned so that it will not be affected by wind eddy, such as inside building corners, nor by recirculation of flue gases, airborne leaves, or light snow. 4. Termination or termination kit should be positioned where it will not be damaged by or subjected to foreign objects such as stones, balls, etc. 5. Termination or termination kit should be positioned where vent vapors are not objectionable. Direct Vent / 2-Pipe For all venting configurations for this appliance and other gas appliances placed into operation for the structure, provisions for adequate combustion, ventilation, and dilution air must be provided in accordance with: U.S.A. Installations: Section 9.3 NFPA 54/ANSI Z223.1 1-2009, Air for Combustion and Ventilation and applicable provisions of the local building codes. Canadian Installations: Part 8 of CAN/CSA-B149.1-10. Venting Systems and Air Supply for Appliances and all authorities having jurisdiction. Ventilated Combustion Air The vent pipe for a Ventilated Combustion Air System must terminate outdoors. See Figure57 for references to vent clearances required by National code authorities. Allowable vent terminations are shown in Figure 48. The combustion air pipe terminates in a welt-ventilated attic or crawl space. Follow the clearances as shown in Figure 55 and Figure 56. The combustion air pipe cannot terminate in attics or crawl spaces that use ventilation fans designed to operate in the heating season. If ventilation fans are present in these areas, the combustion air pipe must terminate outdoors as a Direct Vent System. Termination Requirements for the Provinces of Alberta and Saskatchewan It is recommended that side-wall vent terminations in excess of 24 inches (0.6 M) or rooftop terminations in excess of 36 inches (1.0 M) in vertical length be supported by EITHER the Direct Vent Termination Kit shown in Table 12 or by field-supplied brackets or supports fastened to the structure. When determining appropriate the following guidelines: CARBON MONOXIDE POISONING HAZARD Failure to follow the instructions outlined below for each appliance being placed into operation could result in carbon monoxide poisoning or death. System Direct vent (2-pipe) vent and combustion air pipes must terminate outside the structure. See Figure 57 for references to vent clearances required by National code authorities. Allowable vent and combustion air terminations are shown in Figure 47. The Provinces of Alberta and Saskatchewan require a minimum unobstructed distance of 4 ft. (1.2m) from the foundation to the property line of the adjacent lot for vent termination of any appliance with an input over 35,000 btuh. If there is less than 4 ft. (1.2m) of unobstructed distance to the property line of the adjacent lot, no type of vent termination is permitted for appliances with inputs greater than 35,000 btuh. There are no additional restrictions on unobstructed distances greater than 8 ft. (2.4m). All single, 2-pipe and concentric vents may be used, providing all other Code and manufacturer's requirements in these instructions are adhered to. Refer to the appropriate Vent Termination section above for locating the vent termination. If the unobstructed distance from the foundation to the property line of the adjacent lot is no less than 4 ft. (1.2m) and no greater than 8 ft. (2.4m), it will be necessary to re-direct the flue gas plume. In this situation, a concentric vent kit cannot be used. A 2-pipe termination (or single pipe termination when permitted) that re-directs the flue gas away by use of an elbow or tee, certified to ULC $636 from the adjacent property line must be used. (See Figure 44 and Figure 46) The concentric vent kit currently cannot be modified to attach an elbow to the vent portion of the rain cap. A tee attached to the rain cap could potentially direct the flue gas plume toward the intake air stream and contaminate the incoming combustion air for the furnace. Refer to Figure 44 and Figure 46 for terminations approved for use in Alberta and Saskatchewan. 440 01 4201 03 Specifications subject to change without notice. 37 Figure 44 I Tee at Termination Outlet Figure 45 Sample Inlet Air Pipe Connection for Polypropylene Venting Systems EXAMPLE FOR UPFLOW INSTALLATIONS. MAY BE APPLIED TO OTHER CONFIGURATIONS. OPTIONALTERMINATION BRACKETFOR 2 PiPE TERMINATIONS 12-in 30.48 cm Above anticipated snow level L12F030 A12220 Figure 46 IVent Terminations OVERHANG Clearance to overhang per code For single pipe vent ..... "'_ degree elbowinstall pointing applications, a 45 downward J SEPARATION COMBUSTION AIR LEVEL (ELBOW WHICHEVER TO WALL) 38 PARALLEL OR 12 hi (3048mm) M_N Ground Leve_ OR S#ow Level GRADE, IS GREATER L12F031 Specifications subject to change without notice. 440 01 4201 03 Figure 47 _Combustion Air and Vent Pipe Termination for Direct Vent (2-Pipe) System Roof Termination (Preferred) Note: 36 Note: Vertical separation between combustion air and vent 'A" denotes 8 _t in. (222mm) or 3 in.(76mm) 6 _i in. (172mm) or 2in. (51mm)_ I_A,_ \ Maintain 12 in. (305mm) min. Clearance above be 36 in. Away (914mm) 36in. \, _[/ highest anticipated snow level maximum of 24 in. (614ram) above roof _-i _J _ . :_ _2r:_/ _ (914mm) A $ Maintain -6,_ _, Vent Concentric Roof 12 in (305ram) abovehighestanticipated and Termination Combustion maxi Air ...... (preferred) f24 min CI....... ..... in. (6t4mm)ab level ...... f t in. (25ram) maximum (Typ.) from wall to inlet " Abandoned as raceway between ......... ............. H t........................ b_;igast \ separation 0 To 2 in. (51 mm) Between first 2vent, vents if Third vent (andthefourth used) must in. pairs of inlets only required for direct vent systems masonry used (per code) 12 in. From Overhang or roof (Typ.) Concentric Vent Side Termination and Combuetion Air" } in. 1' (914mm)_ ....... _ ......... 12 in. Min from overhang or roof (Typ.) Maintain 12 in. (305mm) min. Clear ance above highest anticipated snow level or grade whichever is greater (Typ.) Side wall termination of less than 12 in. (3O5mm) above highest snow level Note: _,t least 36 in. (914mm) between bottom of com bustion air and bottom of 'A" denotes 0 To 2 in. (51 mm) Between the first 2 vents Third vent (and fourth vent, if used) must be 36 in. Away (914mm) vent (Typ.) (914mm) Maintain 12 in. (305ram) min. Clearance above highest an ticipated snow level or grade whichever is greater (Typ.) \\\\\\ L12F032 Figure 48 Vent Pipe Termination for Ventilated Combustion Air System Roof Termination (Preferred) minimum (305ram) clearance above highest anticipated snow level maxim um of 24 _n (610ram) above roof Abandoned masonry used as raceway (percode) 12 in m_n (305 ram)from overhang or roof 6 in 152mm) m_n_mum bergen wa _ and end o 10 in (254mm) m_imum clearance vent pipe pipe lengh Maintain m_nimum 12 in (305ram) clearance above h_ghest anticipated snow level or grade whichever is greater Sidewall w_th Straight Maintain m_nimum Ter m_nation P_pe (preferred) 12 in (305ram) clearance above h_ghest anticipated snow level or grade whichever is greater S_de wall term_naSon w_h 2 elbows (preferred) A05091 Size the Vent and Combustion General change should be made outside furnace casing in vertical pipe. Any change in diameter to the pipe must be made as close to the furnace as reasonably possible. Air Pipes Furnace combustion air and vent pipe connections are sized for 2-in. (50 mm ND) PVC/ABS DWV pipe. The combustion air and vent pipe connections also accommodate 60mm polypropylene venting systems with outside diameters of approximately 60 mm (2-3/8 inches). Any pipe diameter 440 01 4201 03 Specifications subject The Maximum Vent Length for the vent pipe and combustion air pipe equals the Maximum Equivalent Vent Length (MEVL) in Table 14 or Table 16, minus the number of fittings multiplied by the deduction for each type of fitting used from Table 15. to change without notice. 39 Optional Combustion Moisture Trap OPTIONAL CONFIGURATION INLET PIPE FOR COMBUSTION AIR As an option to prevent moisture from trickling into the furnace vestibule, a trap can be installed in the intake air pipe near the furnace. Connecting a drain line to the trap is optional as trace amounts of moisture will evaporate into the intake air stream. If the combustion air inlet is located near a moisture exhaust duct, or there are other concerns of excessive moisture being drawn into the combustion air inlet, it is encouraged to connect a drain line to the trap. The trap can be constructed from a running tee of the same diameter of the intake air pipe with EITHER a removable cap attached to a 6-inch long pipe connected to the tee or the External vent Trap Kit to help prevent contaminants from entering the furnace. See Figure 49. In applications where there is a risk of excessive moisture entering the combustion air inlet pipe, a moisture trap may be added to the inlet pipe to help prevent moisture from entering the furnace from the combustion air inlet pipe. See Figure 49. When sizing venting systems, the equivalent length of the optional moisture trap (15 feet/5 M) must be taken into account Figure 49 Air Inlet I Optional Combustion Air Inlet Moisture Trap _® ® o-o Q TO CODE-APPROVED DRAIN OR CONDENSATE PUMP N Representative drawing only, some models may vary in appearance. The External Vent Trap Kit accessory may be used as a trap for the combustion air inlet pipe if a large amount of moisture must be removed. The drain line may be connected to the same drain as the furnace condensate and the evaporator coil condensate line ONLY if the inlet air trap drain and the evaporator coil drain empty into an open segment of pipe above the drain, See Figure 12. When using the External Vent Trap Kit, refer to those instructions for proper drain connections. The tee may also be connected to the intake air pipe on the side of the casing. See Figure 49. In any configuration, it will be necessary to add the equivalent length of the tee (15 feet/5 M) to the Total Equivalent Vent Length of the venting system. 40 Specifications subject to change L12F028 ADDITIONAL INFORMATION FOR POLYPROPYLENE VENTING SYSTEMS Polypropylene venting systems include flexible vent pipe. These flexible vent pipes have a different equivalent vent length than straight sections of PVC/ABS DWV vent pipe. Be sure to make the appropriate deductions from the Maximum Equivalent Vent Length (MEVL), or additions to the Total Equivalent Vent Length (TEVL), when applying flexible vent pipes in polypropylene venting systems. See the polypropylene vent system manufacturer's installation instructions for details. When using metric-sized venting systems, use these equivatencies for obtaining the proper MEVL from the Tables: Use 2" Vent Tables for 60mm (o.d.) vent systems Use 3" Vent Tables for 80mm (o.d.) vent systems Use 4" Vent Tables for 100mm (o.d.) vent systems without notice. 440 01 4201 03 The measured length of pipe used in a 2-pipe termination is included in the total vent length. Include deductions from the Maximum Equivalent Vent Length (MEVL) contained in the Venting Tables for elbows and flexible vent pipe. Factory accessory concentric vent terminations, or pipe lengths and elbows used for "standard" vent terminations (see vent termination figures associated with Table 14) do not require a deduction from the Maximum Equivalent Vent Length. Include a deduction for a Tee when used for Alberta and Saskatchewan terminations. NOTE: Polypropylene venting systems MAY require additional deductions from the MEVL, or additions to the TEVL, for vent terminations and flexible pipe sections. See the polypropylene venting system manufacturer's instructions for details on equivalent lengths of vent terminations and flexible vent pipes, and for calculating total vent lengths. To calculate the Total Equivalent Vent Length (TEVL) of the venting system: 1. Measure the individual distance from the furnace to the termination for each pipe. 2. Count the number of elbows for each pipe. 3. For each pipe, multiply the number of elbows by the equivalent length for the type of elbow used. Record the equivalent length of all the elbows for each pipe. 4. If a Tee is used on the termination (Alberta and Saskatchewan, when required), record the equivalent length of the Tee used. 5. Calculate Total Equivalent Vent Length by adding the equivalent lengths of the fittings to the lengths of the individual vent and combustion air pipes. 6. When using polypropylene venting systems with flexible vent pipes, perform adjustments for the equivalent length of the flexible vent pipe to the calculated total equivalent venting system length. See the polypropylene vent system manufacturer's instructions for details. 7. Select a diameter of vent pipe from Table 14 and Table 16 and note the Maximum Equivalent Vent Length (MEVL) shown for that application for that specific furnace input size. Compare the Total Equivalent Vent Length (TEVL) to the MEVL: a. If the Total Equivalent Vent Length is shorter than the Maximum Equivalent Vent Length for the diameter of pipe chosen, then that diameter of pipe selected may be used. b. If the Total Vent Length is longer than the Maximum Equivalent Vent Length for the diameter of pipe chosen, that diameter pipe MAY NOT be used for venting the furnace. Try the next larger diameter pipe. NOTE: If the calculated Total Equivalent Vent Lengths results in different diameter pipes for the vent and combustion air, select the larger diameter for both pipes. NOTE: If the Maximum Vent Length for diameter of the pipe selected is longer than the measured length and the equivalent length of all the fittings and terminations (TEVL), recalculate Total Equivalent Vent Length using the next smaller diameter. If the Maximum Vent Length is still longer than the longer TEVL of the vent pipe or combustion air pipe, then that diameter of pipe selected may be used. When installing vent systems with pipe lengths of 10 ft. (3.0 M) or less, use the smallest allowable pipe diameter. Using pipe size greater than required for short venting systems may result in loss of efficiency, incomplete combustion, flame disturbance, or flame sense lockout. 440 01 4201 03 Specifications subject For vent systems longer than 10 ft. (3.0 M), any larger diameter shown in Table 14 and Table 16 for that size model may be used. Combustion Guidelines Air and Vent Piping Insulation NOTE: Use closed cell, neoprene insulation or equivalent. The vent pipe may pass through unconditioned areas. The amount of exposed pipe allowed is shown in Table 17. 1. Using winter design temperature (used in load calculations), find appropriate temperature for your application and furnace model. 2. Determine the amount of total and exposed vent pipe. 3. Determine required insulation thickness for exposed pipe length(s). 4. When combustion air inlet piping is installed above a suspended ceiling, the pipe MUST be insulated with moisture resistant insulation such as Armaflex or other equivalent type of insulation. 5. Insulate combustion air inlet piping when run in warm, humid spaces. 6. Install the insulation per the insulation manufacturer's installation instructions. NOTE: Pipe length (ft / M) specified for maximum pipe lengths located in unconditioned spaces (See Table 17) cannot exceed total allowable pipe length as calculated from Table 14 or Table 16. Configure the Furnace CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in personal injury or death. To route the vent pipe and combustion air pipe through the furnace, the manufacturer supplied kit must be used. Failure to properly seal the blower compartment from the furnace vestibule could result in the circulation of carbon monoxide throughout the structure. The vent pipe and combustion air pipe must be a continuous pipe while passing through the blower compartment. Seals supplied in this kit must be installed per the instructions provided. Follow all procedures outlined in these instructions. Install the Vent and Combustion Air Pipes With the furnace installed in the required position, remove the desired knockouts from the casing. It will be necessary to remove one knockout for the vent pipe and the other knockout for the combustion air connection. (See Figure 13) Use a flat blade screwdriver and tap on the knockout on opposite sides, where the knockout meets the casing. Fold the knockout down with duct pliers and work the knockout back and forth until it is removed. Trim any excess metal from the knockout with tin snips. The vent elbow can be rotated to the required location on the casing if necessary. See Figure 50 To rotate the vent elbow: 1. Loosen the clamp on the inlet of the vent elbow attached to the inducer. 2. Rotate the vent elbow to the required position. There are rounded notches in the vent elbow to align it with the inducer for each orientation. 3. Tighten the clamp around the vent elbow. Torque the clamp to 15 Ib-in. See Figure 51 through Figure 54. to change without notice. 41 Figure 50 Upflow Configurations Inducer Vent Elbow - Variable - continued / / / jjJfJJ MODULATING INDUCER Any otherunused5) requiredposition. Upflow Configurations "" ........ Any _ '- -_._ckout _used m,_,y be used for _nr_ctlon. for cetnb_dion _4"_m '. V .59 " air - Rotate verst elbow t_ required position. DOWNFLOW UPFLOW Representative Representative LEFT - VENT CONFIGURATION Al1311 drawing only, some models may vary in appearance. Al1309 / _0 ._ _ , _ k.. '_ _',",/ Rotateventelbow to required position. ' DOWNFLOW Representative Rotate vent elbow to rl_uiil_d UPFLOW Representative po_i_en i f/ _ _ axe:t-: _t)\ } ...... _ -- LEFT - VENT CONFIGURATION drawing only, some models may vary in appearance. drawing RIGHT - VENT CONFIGURATION only, some models may vary in appearance. Al1312 _ _ - * See NOTES following figures. RIGHT - VENT CONFIGURATION drawing only, some models may vary in appearance. Al1308 42 Specifications subject to change without notice. 440 01 4201 03 Downflow Configurations - continued Horizontal Left Configurations - continued © l HORIZONTAL LEFT - RIGHT VENT CONFIGURATION* * Requires accessory Representative DOWNFLOW VERTICAL - VENT CONFIGURATION Requires Accessory Internal Vent Kit See Specification Sheets for current kit number Representative Al1329 Internal Vent Kit drawing only, some models may vary in appearance. * See NOTES following figures. drawing only, some models may vary in appearance. L11F063 Figure 54 1Horizontal Right Configurations * See NOTES following figures. Figure 53 _Horizontal Left Configurations COMBUSTION CONNECTmONS AI1327 HORIZONTAL Representative HORIZONTAL Representative LEFT - VERTICAL VENT CONFIGURATION RIGHT - VERTICAL drawing only, some VENT CONFIGURATION models AI 1337 may vary in appearance. drawing only, some models may vary in appearance. A11328 HORIZONTAL Representative LEFT - LEFT VENT CONFIGURATION drawing only, some models may vary in appearance. HORIZONTAL Representative RIGHT - LEFT VENT CONFIGURATION A11336 drawing only, some models may vary in appearance. * See NOTES following figures. 440 01 4201 03 Specifications subject to change without notice. 43 Horizontal Right Configurations 1. Apply the gaskets to the vent pipe and combustion air pipe adapters. If supplied, remove and discard round center "slug" from interior of gasket. See Figure 41. NOTE: The vent pipe adapter can be distinguished from the inlet pipe adapter by the absence of an internal pipe-stopping ring. The vent pipe can pass through the vent pipe adapter; it cannot pass through the inlet pipe adapter. - continued ALTERNATE COMBUSTION AIR 2. Align the screw holes in the plastic vent pipe adapter with the dimples in the casing. 3. Pilot drill the screw holes for the adapter in the casing and attach the vent pipe adapter to the furnace with sheet metal screws 4. Slide the end of the rubber vent coupling with notches in it over the standoffs on the vent pipe adapter. 5. Insert a length of vent pipe through the coupling into the outlet of the vent elbow. 6. Tighten the clamp around the outlet of the vent elbow. Torque the clamp to 15 Ib-in. HORIZONTAL Representative AI 1335 RIGHT - RIGHT VENT CONFIGURATION drawing only, some models may vary in appearance. * See NOTES following figures. NOTES: 1. Attach vent pipe adapter with gasket to furnace casing. 2. Align notches in rubber coupling over standoffs on adapter. Slide clamps over the coupling. 3. Slide vent pipe through adapter and coupling into vent elbow. 4. Insert vent pipe into vent elbow. 5. Torque all clamps 15-lb.-in. 6. Attach combustion air pipe adapter furnace. with gasket to 7. Attach combustion air pipe to adapter with silicone. Pilot drill a ]/8-in. Hole in adapter and secure with a #7 x ]/2-in. Sheet metal screw. Installing the Vent Pipe Adapter Combustion Air Pipe Adapter CARBON MONOXIDE POISONING and HAZARD Failure to follow this warning could result in personal injury or death. To route the vent pipe and combustion air pipe through the furnace, the manufacturer supplied kit must be used. Failure to properly seal the blower compartment from the furnace vestibule could result in the circulation of carbon monoxide throughout the structure. The vent pipe and combustion air pipe must be a continuous pipe while passing through the blower compartment. Seals supplied in this kit must be installed per the instructions provided. Follow all procedures outlined in these instructions. CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in personal injury or death. DO NOT use cement to join polypropylene venting systems. Follow the polypropylene venting system manufacturer's instructions for installing polypropylene venting systems. NOTE: The rubber coupling that attaches to the vent pipe adapter must be used. The adapter seals the vent pipe to the casing and reduces the strain on the vent elbow attached to the inducer. 44 Specifications subject to change The following instructions are for PVC/ABS DWV vent piping, only. DO NOT USE THESE TECHNIQUES FOR POLYPROPYLENE VENT PIPING SYSTEMS. See the polypropylene vent system manufacturer's instructions for installing polypropylene venting systems. Install the remaining vent and combustion air pipes as shown below. It is recommended that all pipes be cut, prepared, and preassembled before permanently cementing any joint. 1. Working from furnace to outside, cut pipe to required length(s). 2. De-burr inside and outside of pipe. 3. Chamfer outside edge of pipe for better distribution of primer and cement. 4. Clean and dry all surfaces to be joined. 5. Check dry fit of pipe and mark insertion depth on pipe. 6. Insert the vent pipe into the vent elbow. 7. Torque clamp on vent elbow 15 Ib-in. 8. Torque clamp on vent coupling 15 Ib-in. 9. Insert the combustion air pipe into the adapter. 10. Pilot drill a screw hole through the adapter into the combustion air pipe and secure the pipe to the adapter with sheet metal screws. DO NOT DRILL INTO POLYPROPYLENE VENT PIPES. Use an optional accessory vent coupling, if needed. 11. Seal around the combustion air pipe with silicone or foil tape. SILICONE SEALERS MAY NOT BE APPROPRIATE FOR POLYPROPYLENE VENT SYSTEMS. SEE POLYPROPYLENE VENT SYSTEM MANUFACTRUER'S INSTRUCTIONS. 12. After pipes have been cut and preassembled, apply generous layer of cement primer to pipe fitting socket and end of pipe to insertion mark. Quickly apply approved cement to end of pipe and fitting socket (over primer). Apply cement in a light, uniform coat on inside of socket to prevent buildup of excess cement. Apply second coat. DO NOT CEMENT POLYPROPYLENE FITTINGS. 13. While cement is still wet, twist pipe into socket with 1/4-in. turn. Be sure pipe is fully inserted into fitting socket. 14. Wipe excess cement from joint. A continuous bead of cement will be visible around perimeter of a properly made joint. 15. Handle pipe joints carefully until cement sets. 16. Horizontal portions of the venting system shall be supported to prevent sagging. Support combustion air without notice. 440 01 4201 03 piping and vent piping a minimum of every 5 ft. (1.5M) [3 ft. (.91M) for SDR-21 or -26 PVC] using perforated metal hanging strap or commercially available hangars designed to support plastic pipe. 17. Prevent condensate from accumulating in the pipes by sloping the combustion air piping and vent piping downward towards furnace a minimum of 1/4-in. per linear ft. with no sags between hangers. 18. Complete the vent and combustion air pipe installation by connecting to the concentric vent or by installing the required termination elbows as shown in Figure 46, Figure 47, Figure 55 and Figure 56. For ventilated combustion air terminations, see Figure 48. 19. Use appropriate methods to seal openings where combustion air pipe and vent pipe pass through roof or sidewall. CARBON MONOXIDE POISONING FOR POLYPROPYLENE VENTING SYSTEMS When using polypropylene venting systems, all venting materials used, including the vent terminations, must be from the same manufacturer. Installing the Vent Termination Roof Terminations A roof termination of any type will require a 4-in. (102 flashing for a 2-in. (50 mm ND) concentric vent or a 5-in. mm) diameter flashing for a 3-in. (80 mm ND) concentric kit. For 2-pipe or single pipe vent systems, a flashing for pipe of the required diameter will be necessary. mm) (127 vent each It is recommended that the flashing be installed by a roofer or competent professional prior to installing the concentric vent. The terminations can be installed on a flat or pitched roof. HAZARD Failure to follow this warning could result in personal injury or death. DO NOT use cement to join polypropylene venting systems. Follow the polypropylene venting system manufacturer's instructions for installing polypropylene venting systems. Optional Installation of the vent pipe NOTE: DO NOT USE THIS TECHNIQUE POLYPROPYLENE VENTING SYSTEMS. FOR Concentric Vent Single or multiple concentric vent must be installed as shown in Figure 47. Maintain the required separation distance between vents or pairs of vents as shown in Figure 47 and all clearance shown in Figure 57. NOTE: Follow the instructions of the vent terminal manufacturer. only. These instructions are provided as a reference This option provides a disconnect point for the vent pipe. The vent pipe must be cemented to the plastic vent pipe adapter to maintain a sealed vestibule. See Figure 42 and Figure 43 Cut one 4-in. (102 mm) diameter hole for 2-in. (50 mm ND) kit, or one 5-in. (127 mm) diameter hole for 3-in. (80 mm ND) kit in the desired location. 1. Insert a length of vent pipe through the casing into the outlet of the vent elbow. Loosely assemble concentric vent/combustion air termination components together using instructions in kit. Slide assembled kit with rain shield REMOVED through hole in wall or roof flashing. NOTE: Do not allow insulation or other materials to accumulate inside of pipe assembly when installing it through hole. 2. Slide the plastic vent pipe adapter over the length of the vent pipe down to the furnace casing. Mark the pipe where it is flush with the outlet of the adapter. 3. Remove the pipe from the furnace and the adapter and cut off any excess pipe. 4. Clean and prime the end of the pipe that is flush with the vent adapter with a primer that is appropriate for the type of pipe being used. 5. Re-insert the pipe through the casing into the vent elbow. 6. Tighten the clamp around the outlet of the vent elbow. Torque the clamp to 15 Ib-in. 7. Apply cement to the end of the pipe and to the inside of the plastic vent adapter. 8. Slide the adapter over the vent pipe and align the screw holes in the adapter with the dimples in the furnace casing. 9. Pilot drill 1/8-in. screw holes for the adapter in the casing and secure the adapter to the furnace with sheet metal screws. 10. Loosen the clamps on the rubber vent coupling. 11. Slide the end of the coupling with notches in it over the standoffs in the vent pipe adapter. 12. Tighten the clamp of the coupling over the vent pipe adapter. Torque the lower clamp around the vent pipe adapter to 15 Ib-in. 13. Pilot drill a 1/8-in. hole in the combustion air pipe adapter. 14. Complete the vent and combustion air pipe as shown in "Install the Vent and Combustion Air Pipe" Disassemble loose pipe fittings. Clean and cement using same procedures as used for system piping. DO NOT CEMENT POLYPROPYLENE FITTINGS. Two-Pipe (Direct Vent)Terminations Two pipe vent terminals must be installed as shown in Figure 47 and Figure 48. Maintain the required separation distance between vents or pairs of vents as shown in Figure 47 and Figure 48 and all clearance shown in Figure 57 or Figure 58. RECOMMENDED SUPPORT FOR VENT TERMINATIONS It is recommended that rooftop vent terminations in excess of 36 inches (1.0 M) in vertical length be supported by EITHER the Direct Vent Termination Kit shown in Table12 or by fie d-supp ied brackets or supports fastened to the structure. Cut the required number of holes in the roof or sidewall for vent and combustion air pipes. Sidewall holes for 2-pipe vent terminations should be side-by-side, allowing space between the pipes for the elbows to fit on the pipes. Holes in the roof for direct-vent (two-pipe) terminations should be spaced no more than 18-in. (457 mm) apart to help avoid vent gas recirculation into combustion air intake. Termination elbows will be installed after the vent and (if used) combustion air pipe is installed. 440 01 4201 03 Specifications subject to change without notice. 45 Sidewall Terminations Concentric Determine an appropriate location for termination kit using the guidelines provided in section "Locating The Vent Termination" in this instruction. Vent NOTE: Follow the instructions of the vent terminal manufacturer. These instructions are provided as a reference, only. Determine an appropriate location for termination kit using the guidelines provided in section "Locating The Vent Termination" in this instruction. 1. Cut one 4-in. diameter hole for 2-in. diameter hole for 3-in. kit. kit, or one 5-in. kit with rain shield REMOVED through 5. Disassemble loose pipe fittings. Clean and cement using same procedures as used for system piping. DO NOT CEMENT POLYPROPYLENE FITTINGS. Termination NOTE: Follow the instructions of the vent terminal manufacturer. These instructions are provided as a reference, only. RECOMMENDED SUPPORT Air Terminations, (Direct Vent / 2-Pipe System 4. Locate assembly through sidewall with rain shield positioned no more than 1-in. (25 mm) from wall as shown in Figure 47. Vent (2-Pipe) (if used) and place 4. Disassemble loose pipe fittings. Clean and cement using same procedures as used for system piping. DO NOT CEMENT POLYPROPYLENE FITTINGS. For Ventilated Combustion shown in Figure 48. NOTE: Do not allow insulation or other materials to accumulate inside of pipe assembly when installing it through hole. Direct 2. Loosely install elbow in bracket assembly on combustion-air pipe. size for 3. Install bracket as shown in Figure 44 and Figure 46. NOTE: For applications using vent pipe option indicated by dashed lines in Figure 47 and Figure 48, rotate vent elbow 90 ° from position. 2. Loosely assemble concentric vent/combustion air termination components together using instructions in kit. 3. Slide assembled hole. 1. Cut two holes, one for each pipe, of appropriate pipe size being used. terminate as ONLY) When two or more furnaces are vented near each other, two vent terminations may be installed as shown in Figure 44 and Figure46, but next vent termination, or pair of vent terminations, must be at least 36-in. (914 mm) away from first two terminations. It is important that vent terminations be made as shown in Figure 44 and Figure 46 to avoid recirculation of gases. Inducer Outlet Restrictor The loose parts bag may contain an inducer outlet restrictor. The outlet restrictor is NOT used on these furnaces. Discard restrictor. FOR VENT TERMINATIONS It is recommended that side-wall vent terminations in excess of 24 inches (0.6 M) in vertical length be supported by EITHER the Direct Vent Termination Kit in Table 12 or by field-supplied brackets or supports fastened to the structure. 46 Specifications subject to change without notice. 440 01 4201 03 Figure 55 _Crawl Space Vent Termination Ventilated Combustion Air intake pipe / _1_ Pipe hangar ? 3" (76 mm) t 12"(305 ram) Ventilated Combustion Air intake termination in crawl space CRAWL SPACE Figure 56 _Attic Vent Termination Ventilated Combustion Air intake pipe -7 t throuhgb.__._ roof flashing ATTIC 440 01 4201 03 Specifications subject to change L11F016 without notice. 47 Figure 57 1Direct Vent Termination Clearance AREAWHERE [] VEHTTERMINAL \\\\\ (_ TERMINAL IS NOT PERMITED AIRSUPPLYINLET 25-24-65-2 NOTE: The following is based upon National codes for gas appliances, and is provided as a reference. Refer to Local codes which may supersede these standards and/or recommendations. Item ClearanceDescription Canadian Installations {1) (per CAN/CSA B149.1) A Clearance above grade, veranda, porch, deck, balconyor anticipated snow level 12 in. (305 ram) 18 in. (457 ram)above roof surface. B Clearanceto a window or door that may be opened 12 in. (305 ram) for appliances >10,000Btuh (3 kW) and 100,000 Btuh (30 kW) C Clearanceto a permanentlyclosed window Vertical clearanceto a ventilatedsoffit located above the terminal within a horizontal distance of 2 feet (61 cm) from the centerlineof the terminal D U.S. Installations Iz) (per ANSI Z223.1/NFPA54) 12 in. (305 ram) 9 in. (229 ram) for appliances>10,000 Btuh (3 kW) and 50,000 Btuh (15kW) For clearances not specifiedin ANSI Z223.1/NFPA54 or CAN/CSA B149.1,clearances shall be in accordance with local installation codes and the requirementsof the gas supplier and the manufacturer'sinstallationinstructions. E F Clearanceto an unventilated soffit Clearance to an outside corner G Clearanceto an inside corner H Clearance to eachside of the centerlineextended above electricalmeter or gas service regulator assembly 3 ft. (.9 M) within15 ft. (4.6 M) above the meter/regulatorassembly, 3 ft. (.9 M) within 15 ft. (4.6 M) above the meter/regulatorassembly. I Clearanceto service regulatorvent outlet J Clearanceto non mechanical air supply inlet to building or the combustionair inlet to any other appliance K Clearance to a mechanical air supply inlet 3ft. (.9 M) 12in. (305 ram) for appliances>10,000 Btuh(3 kW) and 100,000 Btuh (30 kW) 6 ft. (1.8 M) See Note 4. 9 in. (9 ram) for appliances>10,000 Btuh (3 kW) and 50,000 Btuh (15kW) 3ft. (.9 M) Clearance under a veranda, porch, deck, or balcony 12 in. (305 ram). Permittedonly if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor. See Note 4. L Manufacturer'sRecommendation:See Notes 3-8. 12 in. (305 ram) 12 in. (305 ram) 3 ft. (.9 M) 3 ft. (.9 M) Manufacturer'sRecommendation:See Notes 3-8. N Clearanceto each side of the centerlineextendedabove or below vent terminal of the furnace to a dryer or water heater vent, or other appliance'sdirect vent intake or exhaust Inlet air clearance to a moisture exhaust duct (dryervent, spa exhaust, etc.) 0 Clearance from a plumbing vent stack 3 ft. (.9 M) 3 ft. (.9 M) See Note 4. Clearance above paved sidewalk or paved drivewaylocated on publicproperty 7 ft. (2.1 M). Vent shall not terminate above a sidewalk or paved drivewaythat is located betweentwo single family dwellingsand serves both dwellings. M p Manufacturer'sRecommendation:See Notes 3-8. > greater than, > greater than or equal to, < less than, _ lessthan or equal to Notes: 1. 2. 3. 4. 5. 6. 7. 8. 48 In accordancewith the currentCAN/CSA B149,1,NaturalGas and PropaneInstallationCode, In accordancewith the currentANSI Z223,1/NFPA54, NationalFuel GasCode NOTE: Thistable is based upon Nationalcodes forgas appliances,andare providedas a reference. Refer to Loca/ codes which may supersedethese standardsand/orrecommendations. For clearancesnotspecifiedin ANSIZ223,1/NFPA54 or CAN/CSAB 149,1,clearancesshallbe in accordancewithlocalinstallationcodesand the requirementsof the gas supplierand the manufacturer'sinstallationinstructions, When locatingvent terminations,considerationmust begivento prevailingwinds,location,andother conditionswhich may causerecirculationof the combustionproducts of adjacentvents, Recirculationcan cause poor combustion,inlet condensateproblems, and acceleratedcorrosionof the heat exchangers. Designand positionvent outletsto avoidice build-up on and moisturedamageto surroundingsurfaces, The vent for this applianceshall not terminate: a, Near soffit vents of crawlspace vents or other areaswhere condensateor vapor could createa nuisanceor hazardor properly damage;or b, Where condensatevapor could causedamage or could be detrimentalto the operationof regulators,relief valves, or other equipment, Avoidventingunder a deckor large overhang,Recirculationcouldoccur and causeperformanceor systemproblems.Ice build-upmay occur. Specifications subject to change without notice. 440 O1 4201 03 Figure 58 _Other than Direct Vent Clearance - Ventilated Combustion Air Option I ,i H -fl D VENT TERMINAL \ Y_':_ tXi AIR SUPPLY INLET E_ AREA WHERE TERMINAL IS NOT PERMITED 25-24-65-2 NOTE: The following is based upon National codes for gas appliances, and is provided as a reference. Referto Local codes which may supersedethese standards and/or recommendations. Item ClearanceDescription Canadian Installations(1} (perCAN/CSAB149.1) A Clearance above grade, veranda, porch, deck. balcony or anticipatedsnow level " 12 in. (305 mm) 18 in. (457 ram)above roof surface. 12 in. (305 ram) B Clearance to a window or door that may be opened 12 in. (305 ram) for appliances >10,000Btuh (3 kW) and 100,000 Btuh (30 kW) 4ft. (1.2M) belowor to the side of the opening, 1 ft (.3M) above the opening. Manufacturer'sRecommendation:See Note 8. C Clearanceto a permanentlyclosed window Vertical clearance to a ventilatedsoffit located above the terminal within a horizontaldistance of 2 feet (61 cm) from the centedineof the terminal D E Clearance to an unventilatedsoffit F G Clearance to an outside corner Clearance to an inside corner H Clearance to each side of the centerline extendedabove electrical meter or gasservice regulator assembly U,S. Installations(z} (per ANSI Z223.1/NFPA54) For clearances not specified in ANSI Z223.1/NFPA54 or CAN/CSAB149.1, clearancesshall be in accordancewith local installation codes and the requirementsof the gas supplier and the manufacturer'sinstallation instructions. Manufacturer'sRecommendation:See Notes 3-8. 3 ft. (.9 M) within15 ft. (4.6 M) above the meter/regulatorassembly, 3 ft. (.9 M) within15 ft. (4.6 M) above the meter/regulatorassembly. I Clearance to service regulatorvent outlet 3ft. (.9 M) See Note 4. J Clearanceto non mechanical air supply inlet to buildingor the combustionair inlet to any other appliance 12in. (305 ram) for appliances>10,000 Btuh(3 kW) and 100,000 Btuh (30 kW) 4ft. (1.2M) belowor to the side of the opening, 1 ft (.3M) above the opening. Manufacturer'sRecommendation:See Note8 K Clearance to a mechanicalair supply inlet 6 ft. (1.8 M) 3ft. (.9 M) See Note 4. L Clearance under a veranda, porch, deck, or balcony 12 in. (305 ram). Permittedonly if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneaththe floor. Manufacturer'sRecommendation:See Notes3-8. M Clearance to each side of the centerline extendedabove or belowvent terminal of the furnace to a dryer or waterheater vent, or other appliance's directvent intake or exhaust 12 in. (305 ram) 12 in. (305 ram) N Inlet air clearanceto a moistureexhaust duct (dryer vent, spa exhaust, etc.) 3 ft. (.9 M) 3 ft. (.9 M) 0 Clearance from a plumbing vent stack 3 ft. (.9 M) 7 ft. (2.1 M). 3 ft. (.9 M) P Clearance above paved sidewalkor paved drivewaylocated on publicproperty Ventisshall not betweentwo terminateabove a sidewalk or paved driveway that located single-family dwellingsand serves both dwellings. 7ft. (2.1M) > greaterthan, > greater than or equalto, < lessthan, < less than or equalto Notes: 1, 2, 3. In accordancewiththe current CAN/CSAB149,1,NaturalGas and PropaneInstallationCode, In accordancewiththe current ANSIZ223,1/NFPA54, NationalFuelGas Code NOTE: Thistable is based upon Nationalcodes for gas appliances,and areprovidedas a reference. Refer to Loca/ codes whichmay supersede these standardsand/orrecommendations. 4. Forclearancesnot specifiedinANSI Z223,1/NFPA54 or CAN/CSA B 149,1,clearancesshallbe in accordancewith localinstallationcodesandthe requirementsof the gas supplierandthe manufacturer'sinstallationinstructions, 5. When locatingvent terminations,considerationmust be givento prevailingwinds,location,and otherconditionswhichmay causerecirculationofthe combustionproducts of adjacentvents, Recirculationcan cause poor combustion,inlet condensationproblems,and/oracceleratedcorrosionof the heatexchangers. Designand positionvent outletsto avoid ice build-upon and moisturedamageto surroundingsurfaces, The vent for this applianceshallnot terminate: 6. 7. a, Near soffit vents of crawl spacevents or other areas where condensateor vaporcould create a nuisanceor hazardor propertydamage; or 8. b, Where condensatevapor couldcause damage or couldbe detrimentalto the operation of regulators,reliefvalves, or other equipment, These Nationalstandardsapply to all non-direct-ventgas appliances.Contact Localcode officialsfor additionalrequirementsand!orexclusions. 440 O1 4201 03 Specifications subject to change without notice. 49 Table 14 MAXIMUM EQUIVALENT VENT LENTH - Feet (Meters) Note: Maximum Equivalent Vent Length (MEVL) does NOT include elbows or terminations Use Table 15 - DEDUCTIONS FROM MEVL to determine allowable vent length for each application. DIRECT VENT (2-PIPE) AND VENTILATED COMBUSTION Unit Size Vent Pipe Diameter (in.) BTU/Hr 1-1/2 2 2-1/2 3 Altitude FT (M) 60,000 0 to 2000 (0 to 610) 55 35 80,000 100,000 120,000 60,000 2001 to 3000 80,000 (610 to 914) 100,000 120,000 (16.8) (10.7) 45 30 (13.7) (9.1) AIR 4 135 130 (41.1) (39.6) 235 175 (71.6) (53.3) 265 235 (80.8) (71.6) 265 (80.8) 50 (15.2) 110 15 (33.5) (4.6) 235 100 (71.6) (30.5) 265 250 (80.8) (76.2) 127 90 (38.7) (27.4) 222 165 (67.7) (50.3) 250 222 (76.2) (67.7) 249 (75.9) 40 (12.2) 104 (31.7) 223 (68.0) 250 (76.2) 11 (3.4) 93 (28.3) 237 (72.2) 60,000 40 (12.2) 119 (36.3) 210 (84.0) 235 (71.6) 3001 to 4000 80,000 25 (7.6) (914 to 1219) 100,000 120,000 85 40 (25.9) (12.2) 155 98 (47.2) (29.9) 210 211 (64.0) (84.3) 232 236 (70.7) (71.9) 8 (2.4) 86 (26.2) 224 (68.3) 60,000 35 (10.7) 115 (35.1) 204 (62.2) 228 (69.5) 4001 to 4500 80,000 23 (7.0) (1219 to 1370) 100,000 120,000 85 40 (25.9) (12.2) 150 94 (45.7) (28.7) 202 205 (61.6) (62.5) 224 229 (68.3) (69.8) 83 (25.3) 217 (66.1) See notes at end of Venting See Table 16 for altitudes Tables. over 4500 ft (1370m). Table 15 DEDUCTIONS Pipe Diameter FROM MAXIMUM EQUIVALENT VENT LENGTH - Feet (Meters) (in): 1-1/2 2 2-1/2 3 4 Mitered 90 -oElbow 8 (2.4) 8 (2.4) 8 (2.4) 8 (2.4) 8 (2.4) Radius 90-0Elbow 5 (1.5) 5 (1.5) 5 (1.5) 5 (1.5) 5 (1.5) Long Radius 90-° Elbow 3 (0.9) 3 (0.9) 3 (0.9) 3 (0.9) 3 (0.9) Mitered 45-0Elbow 4 (1.2) 4 (1.2) 4 (1.2) 4 (1.2) 4 (1.2) Radius 45-0Elbow 2.5 (0.8) 2.5 (0.8) 2.5 (0.8) 2.5 (0.8) 2.5 (0.8) Long Radius 45-0Elbow 1.5 (0.5) 1.5 (0.5) 1.5 (0.5) 1.5 (0.5) 1.5 (0.5) Tee 16 (4.9) 16 (4.9) 16 (4.9) 16 (4.9) 16 (4.9) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) Medium Medium Concentric Vent Termination Standard Vent Termination Note: 3- and 4-inch vent pipe systems Figure 59 0 (0.0) 0 (0.0) require long radius elbows. Figure 60 1Elbows Configurations Vent Terminal Configurations © MEDIUM LONG MITERED L11F082 L11 F083 L11 F084 Venting System Length Calculations The Total Equivalent Vent Length for EACH combustion air or vent pipe equals the length of the venting length of elbows used in the venting system from Table 15. Standard vent terminations or factory accessory concentric vent terminations count for zero deduction. See vent system manufacturer's data for equivalent lengths of flexible vent pipe or other that one foot of flexible vent pipe equals one foot of straight PVC/ABS DWV vent pipe. Compare 50 the Total Equivalent Vent Length to the Maximum Specifications Equivalent subject to change Vent Lengths without notice. termination in Table system, systems. 14 and Table plus the equivalent DO NOT ASSUME 16. 440 01 4201 03 Example 1 A direct-vent 60,000 BTUH furnace installed at 2100 ft. (640M). Venting system includes FOR EACH PIPE 100 feet (30 M) of vent pipe, 95 feet (28 M) of combustion air inlet pipe, (3) 90 °- long-radius elbows, (2) 450- long-radius elbows, and a factory accessory concentric vent kit. Can this application use 2-in. (50 mm ND) PVC/ABS DWV vent piping? 100 ft. Measure the required linear length of air inlet and vent pipe; insert the longest of the two here Add equiv length of (3) 900- long-radius elbows (use the highest number of elbows for either the vent or inlet pipe) (30 M) 3 3ff x (0.9 M) Add equiv length of (2) 450- long-radius elbows (use the highest number of elbows for either the vent or inlet pipe) 2 1.5ft x (0.5 M) 9ft. (2.7 M) From Table 15 3ft. (0.9 M) From Table 15 Add equiv length of factory concentric vent term Oft. Add correction for flexible vent pipe, if any Oft. 127 ft. Maximum Equivalent Vent Length (MEVL) (38.7 M) YES Is TEVL less than MEVL? Example From Table 15 From Vent Manufacturer's instructions; zero for PVC/ABS DWV 112 ft. (34 M) Total Equivalent Vent Length (TEVL) Use length of the longer of the vent or air inlet piping system Add all of the above lines For 2" pipe from Table 14 Therefore, 2" pipe MAY be used 2 A direct-vent 60,000 BTUH furnace installed at 2100 ft. (640M). Venting system includes FOR EACH PIPE 100 feet (30 M) of vent pipe, 95 feet (28 M) of combustion air inlet pipe, (3) 900-long-radius elbows, and a polypropylene concentric vent kit. Also includes 20 feet (6.1 M) of flexible polypropylene vent pipe, included within the 100 feet (30 M) of vent pipe. Assume that one meter of flexible 60mm or 80mm polypropylene MANUFACTURER'S INSTRUCTIONS. Can this application use 60mm (o.d.) polypropylene Measure the required linear length of air inlet and vent pipe; insert the longest of the two here Add equiv length of (3) 900-long-radius elbows (use the highest number of elbows for either the vent or inlet pipe) Add equiv length of (2) 450-long-radius elbows (use the highest number of elbows for either the vent or inlet pipe) pipe equals 1.8 meters of PVC/ABS pipe. VERIFY FROM VENT vent piping? If not, what size piping can be used? 3ft (0.9 M) 3 x 0 x Add equiv length of factory concentric vent term 9 M x 3.3 ft/M Add correction for flexible vent pipe, if any 1.8 x 20ft (6.1 M) Use length of the longer of the vent or air inlet piping system 9ft. (2.7 M) From Vent Manufacturer's instructions Oft. (0 M) From Vent Manufacturer's instructions From Vent Manufacturer's instructions From Vent Manufacturer's instructions 30 ft. (9 M) 36 ft. (11 M) 175 ft. (53 M) Total Equivalent Vent Length (TEVL) 127 ft. (38.7 M) Maximum Equivalent Vent Length (MEVL) Is TEVL less than MEVL? 250 ft. (76.2 Is TEVL less than MEVL? YES Specifications subject to change without notice. Add all of the above lines For 2" pipe from Table 14 Therefore, 60ram pipe may NOT be used; try 80ram NO Maximum Equivalent Vent Length (MEVL) 440 01 4201 03 100 ft. (30 M) M) For 3" pipe from Table 14 Therefore, 80ram pipe MAY be used 51 Table16 Altitude FT (M) 4501 to 5000 (1370 to 1524) MAXIMUM EQUIVALENT VENT LENTH - Feet (Meters) Note: Maximum Equivalent Vent Length (MEVL) does NOT include elbows or terminations. Use DEDUCTIONS FROM MEVL - Table 15 to determine allowable vent length for each application. Note: Vent sizing for Canadian installations over 4500 ft. (1370 M) above sea level are subject to acceptance by the local authorities having jurisdiction. DIRECT VENT (2-PIPE) AND VENTILATED COMBUSTION AIR Unit Size Vent Pipe Diameter 3 1-1/2 2 2-1/2 60,000 80,000 35 23 (10.7) (7.0) 100,000 120,000 111 85 (33.8) (25.9) 198 146 (60.4) (44.5) 221 195 (67.4) (59.4) 216 (65.8) 40 (12.2) 9t (27.7) 2OO 8O (61.0) (24.4) 222 211 (67.7) (64.3) 60,000 37 (11.3) 103 (31.4) 186 (56.7) 80,000 22 (6.7) 76 (23.2) 137 (41.8) 2O7 183 (83.1) 5001 to 6000 (55.8) 200 (61.0) (1524 to 1829) 100,000 120,000 33 (10.1 ) 85 (25.9) 188 74 (57.3) (22.6) 208 199 (63.4) (60.7) 60,000 35 (10.7) 96 (29.3) 174 (53.0) 194 (59.1) 6001 to 7000 80,000 20 (6.1) 71 (21.6) 120 (36.6) (52.1) 185 (56.4) (1829 to 2134) 100,000 120,000 31 (9.4) 79 (24.1) 171 178 (54.3) (20.7) 195 187 (59.4) (57.0) (55.2) (48.5) 170 (51.8) 62 (50.9) (18.9) 182 175 (55.5) (53.3) 7001 to 8000 (2134 to 2438) 8001 to 9000 (2438 to 2743) 9001 to 10,000 (2743 to 3048) 60,000 80,000 68 32 18 (9.8) (5.5) 100,000 120,000 60,000 80,000 30 17 (9.1) (5.2) 100,000 120,000 89 66 (27.1) (20.1) 163 120 (49.7) (36.6) 29 (8.8) 73 (22.3) 181 159 167 82 62 (25.0) (18.9) 152 111 (46.3) (33.8) 168 148 (51.2) (45.1) 156 (47.5) 27 (8.2) 67 (20.4) 157 56 (47.9) (17.1 ) 170 164 (51.8) (50.0) 156 137 (47.5) 142 157 153 (43.3) (47.9) (46.6) 60,000 27 (8.2) 76 (23.2) 142 (43.3) 80,000 100,000 120,000 15 (4.6) 57 24 (17.4) (7.3) 103 62 (31.4) (18.9) 147 51 (41.8) (44.8) (15.5) NOTES: 1. Use only the vent pipe sizes shown for each furnace. It is NOT necessary to choose the smallest diameter pipe possible for venting. 2. NA = Not allowed. Pressure switch will not close, or flame disturbance may result. 3. Vent sizing for Canadian installations over 4500 ft. (1370 m) above sea level are subject to acceptance by local authorities having jurisdiction. 4. Size both the combustion air and vent pipe independently, then use the larger size for both pipes. 5. Assume two 45 ° degree elbows equal one 90 ° degree elbow. Wide radius elbows are desirable and may be required in some cases. 6. Elbow and pipe sections within the furnace casing and at the vent termination should not be included in vent length or elbow count. 7. The minimum pipe length is 5 (1.5) linear feet (meters) for all applications. 8. Use 3-in (76 mm) diameter vent termination kit for installations requiring a 4-in (102 mm) diameter pipe. 52 Specifications subject to change without notice. 440 01 4201 03 Maximum Allowable Exposed Vent Lengths in Unconditioned Space Maximum Length of Uninsulated and Insulated Vent Pipe-Ft (M) Table17 No Insulation (F/G)9MAC Max, Heat Input Winter Design Temp °F (°C) Pipe Length in Ft. & M Ft, 20 (-10) 0 (-2O) 60,000 M Ft. M Ft. Pipe Diameter-inches (mm) 1.5 2.0 2.5 3.0 4.0 3/8-in. (9.5 mm) 1/2-in. (12.7 mm) Pipe Diameter-inches (mm) 1.5 2.0 2.5 3.0 4.0 Pipe Diameter-inches (mm) 1.5 2.0 2.5 3.0 4.0 (38) 34.0 10.4 (51) 29.0 8.8 (64) 28.0 8.5 (76) 23.0 7.0 (102) N/A N/A (38) 55.0 16.8 (51) 88.0 26.8 (64) 79.0 24.1 (76) 69.0 21.0 (102) N/A N/A (38) 55.0 16.8 (51) 104.0 31.7 (64) 93.0 28.3 (76) 81.0 24.7 (102) N/A N/A 14.0 4.3 9.0 2.7 7.0 2.1 0.0 0.0 N/A N/A 55.0 16.8 49.0 14.9 43.0 13.1 34.0 10.4 N/A N/A 55.0 16.8 60.0 18.3 52.0 15.8 42.0 12.8 N/A N/A 5.0 0.0 0.0 0.0 N/A 41.0 32.0 26.0 18.0 N/A 50.0 40.0 33.0 24.0 N/A M Ft. 1.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 N/A N/A 12.5 30.0 9.8 21.0 7.9 16.0 5.5 8.0 N/A N/A 15.2 37.0 12.2 28.0 10.1 22.0 7.3 13.0 N/A N/A -40 (-4O) M 0.0 0.0 0.0 0.0 N/A 9.1 6.4 4.9 2.4 N/A 11.3 8.5 6.7 4.0 N/A 20 (-10) Ft. M 34.0 10.4 29.0 8.8 28.0 8.5 23.0 7.0 N/A N/A 55.0 16.8 88.0 26.8 79.0 24.1 69.0 21.0 N/A N/A 55.0 16.8 104.0 31.7 93.0 28.3 81.0 24.7 N/A N/A 0 (-20) Ft. M 14.0 4.3 9.0 2.7 7.0 2.1 0.0 0.0 N/A N/A 55.0 16.8 49.0 14.9 43.0 13.1 34.0 10.4 N/A N/A 55.0 16.8 60.0 18.3 52.0 15.8 42.0 12.8 N/A N/A -20 (-30) Ft. M 5.0 1.5 0.0 0.0 0.0 0.0 0.0 0.0 N/A N/A 41.0 12.5 32.0 9.8 26.0 7.9 18.0 5.5 N/A N/A 50.0 15.2 40.0 12.2 33.0 10.1 24.0 7.3 N/A N/A -40 (-40) Ft. M 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 N/A N/A 30.0 9.1 21.0 6.4 16.0 4.9 8.0 2.4 N/A N/A 37.0 11.3 28.0 8.5 22.0 6.7 13.0 4.0 N/A N/A 20 (-10) Ft. M 35.0 10.7 39.0 11.9 39.0 11.9 33.0 10.1 25.0 7.6 35.0 10.7 118.0 36.0 107.0 32.6 92.0 28.0 76.0 23.2 35.0 10.7 130.0 39.6 125.0 38.1 109.0 33.2 90.0 27.4 0 (-20) Ft. M 22.0 6.7 16.0 4.9 14.0 4.3 7.0 2.1 0.0 0.0 35.0 10.7 69.0 21.0 60.0 18.3 49.0 14.9 35.0 10.7 35.0 10.7 83.0 25.3 72.0 21.9 60.0 18.3 45.0 13.7 23.0 -20 (-3O) 60,600 80,000 Ft. 11.0 5.0 2.0 0.0 0.0 35.0 46.0 39.0 29.0 16.0 35.0 57.0 48.0 37.0 -20 (-30) M 3.4 1.5 0.6 0.0 0.0 10.7 14.0 11.9 8.8 4.9 10.7 17.4 14.6 11.3 7.0 -40 (-40) Ft. M 4.0 1.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 35.0 10.7 33.0 10.1 26.0 7.9 17.0 5.2 4.0 1.2 35.0 10.7 41.0 12.5 34.0 10.4 24.0 7.3 11.0 3.4 20(-10) Ft. M N/A N/A 47.0 14.3 47.0 14.3 41.0 12.5 32.0 9.8 N/A N/A 50.0 15.2 110.0 33.5 112.0 34.1 93.0 28.3 N/A N/A 50.0 15.2 110.0 33.5 132.0 40.2 110.0 33.5 0 (-20) Ft. M N/A N/A 21.0 6.4 19.0 5.8 12.0 3.7 1.0 0.3 N/A N/A 50.0 15.2 74.0 22.6 61.0 18.6 45.0 13.7 N/A N/A 50.0 15.2 89.0 27.1 74.0 22.6 57.0 17.4 -20 (-30) Ft. M N/A N/A 8.0 2.4 6.0 1.8 0.0 0.0 0.0 0.0 N/A N/A 50.0 15.2 49.0 14.9 38.0 11.6 23.0 7.0 N/A N/A 50.0 15.2 60.0 18.3 48.0 14.6 32.0 9.8 -40 (-40) Ft. M N/A N/A 1.0 0.3 0.0 0.0 0.0 0.0 0.0 0.0 N/A N/A 42.0 12.8 34.0 10.4 24.0 7.3 10.0 3.0 N/A N/A 50.0 15.2 43.0 13.1 32.0 9.8 18.0 5.5 20 (-10) Ft. M N/A N/A N/A N/A 15.0 4.6 49.0 14.9 40.0 12.2 N/A N/A N/A N/A 15.0 4.6 100.0 30.5 111.0 33.8 N/A N/A N/A N/A 15.0 4.6 100.0 30.5 131.0 39.9 0 (-20) Ft. M N/A N/A N/A N/A 15.0 4.6 17.0 5.2 6.0 1.8 N/A N/A N/A N/A 15.0 4.6 75.0 22.9 57.0 17.4 N/A N/A N/A N/A 15.0 4.6 90.0 27.4 70.0 21.3 -20 (-30) Ft. M N/A N/A N/A N/A 10.0 3.0 2.0 0.6 0.0 0.0 N/A N/A N/A N/A 15.0 4.6 48.0 14.6 32.0 9.8 N/A N/A N/A N/A 15.0 4.6 59.0 18.0 42.0 12.8 -40 (-40) Ft. M N/A N/A N/A N/A 1.0 0.3 0.0 0.0 0.0 0.0 N/A N/A N/A N/A 15.0 4.6 32.0 9.8 17.0 5.2 N/A N/A N/A N/A 15.0 4.6 41.0 12.5 25.0 7.6 100,000 120,000 International Comfort Product, LLC • PO Box 128 • Lewisburg, TN 37091 USA 440 01 4201 03 Specifications subject to change without notice. 53
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