Heat Controller Hag Series For R 410A Quick Start Guide IOM 04 12 09
Heat-Controller-Iom-Hag-06-15-09-Quick-Start-Guide heat-controller-iom-hag-06-15-09-quick-start-guide
2014-07-19
: Heat-Controller Heat-Controller-Hag-Series-For-R-410A-Quick-Start-Guide heat-controller-hag-series-for-r-410a-quick-start-guide heat-controller pdf
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A. Introduction C. Unpacking the Unit Heat Controller, Inc., Air Handlers come in a variety of models and sizes for upflow or horizontal use and when combined with cooling coils, are ready for air conditioning and heat pump applications. These instructions are primarily to assist qualified individuals trained and experienced in the proper installation of this type of equipment. The unit should be unpacked on receipt and if damage is found, a claim should be made immediately to the shipping carrier. This is the responsibility of the entity receiving the equipment. The air handler is completely assembled, as received. Electric power, thermostat wiring, refrigerant piping and duct connections are needed to complete an installation. Additionally, a drain connection will be needed. Check the rating plate for unit size, voltage, phase etc. to make sure unit meets your requirements. B. Rules for Safe Installation and Operation 1. Read these rules and the instructions carefully. Failure to follow the rules and the instructions could cause a malfunction of the unit, and a possible safety hazard. Keep these instructions nearby the unit for future reference. 2. This unit has been designed and manufactured to comply with National Codes; however, it is the installer’s responsibility to install this unit to comply with prevailing codes and regulations. Heat Controller, Inc., assumes no responsibility for units installed in violation of any code or regulation. 3. Before servicing, ALWAYS SHUT OFF ELECTRICITY TO THE UNIT. This will prevent any electrical shocks. 4. Ground the unit to prevent electric shock. All electrical wiring should be in accordance with the National Electrical Code. 5. Duct work must be installed in accordance with the standards of the National Fire Protection Association (NFPA) for the installation of Air Conditioning, Warm Air Heating and Ventilating Systems (NFPA 90A and 90B). The air distribution duct system should be sized for 0.2 inches of static pressure. See National Environmental Systems Contractors Association Manual K for duct sizing recommendations. Ductwork in non-conditioned spaces must be insulated to prevent formation of condensate and for maximum operating efficiency. 6. The safety testing agency label appearing on the unit covers the unit and factory installed coil(s) only. It does not cover any other equipment. 7. Exterior surface of cabinet may sweat when unit is installed in non-conditioned space such as attic or garage. Installer must provide protection such as full size auxiliary drain pan on all units installed in non-conditioned space such as attic or garage type installations to prevent damage from condensation. It is recommended that units installed in non-conditioned space be insulated on the outside with 1” thick fiberglass with the vapor barrier on the outside. 8. While designed to operate quietly when properly installed, several steps should be taken to insure this. Use of isolation pads when mounting unit, flexible duct collars for discharge, and use of acoustical duct liners are all good installation practices that promote quiet operation. 9. Cabinet insulation is rated for R=4.2 (standard). Some jurisdictions require R=6.0 on installations in nonconditioned space. Add insulation 1” thick to exterior of air handler to comply in these jurisdictions, putting the vapor barrier on the outside. D. Physical Installation MINIMUM CLEARANCES These units have a 0” minimum clearance to combustible materials rating from all cabinet surfaces. The unit should be installed with serviceability clearance of 30” from the front of the unit. The unit can be serviced entirely from the front, including replacing the filter. Be sure and route primary and secondary drain connections so as not to obstruct filter replacement. ARRANGEMENT Unit is shipped from the factory arranged to be installed in a vertical upflow or horizontal right to left airflow position (standard) or field convertible to a horizontal left to right airflow position. Upflow Application In an upflow installation the discharge outlet is at the top. Care should be taken to ensure unit is level to permit proper condensate drainage. Normal upflow installation will be in a basement or closet. If installed in a closet, the closet should have a platform framed in, with an opening on top of the platform centered in the closet. Connect the supply air outlet to a discharge air plenum. Install return air grilles from outside the closet to space below the platform. Platform must be at least 10” above the floor. Run all supply and return ductwork in accordance with local codes. Horizontal application Horizontal application will normally be used in an attic or crawl space. This type installation requires a return air duct be attached to the air handler inlet. The opposite end of the return air duct is attached to a return air filter grille through the ceiling or wall. Remove filter from unit if filter grill is used. The unit is shipped in right to left configuration. Caution A “P” trap must be installed in the coil drain line! Cap unused drain fittings. WARNING To ensure unit will not interfere with drains and refrigerant lines, modification must be made prior to installing these lines.. For left to right applications. 1. Remove and set aside front panels. 2. Remove the coil support bracket (4-screws). 1 3. Remove horizontal drain pan retaining clip (1-screw). 4. Carefully remove coil assembly and bottom drain pan. 5. Move horizontal drain pan from left hand side of coil to right side. 6. Install modified coil assembly back into unit. 7. Reinstall coil support bracket and horizontal drain pan retaining clip. 8. Determine drain holes being used and reposition knockout caps. 9. Reinstall doors. Terminal number 4 on the (FR) fan relay is the cooling blower speed and terminal number 6 on the (FR) is the heating blower speed. I. Refrigerant Piping All air handlers have DX refrigerant cooling coils installed, liquid and suction piping should be sized in accordance with condensing unit manufacturer’s recommendations. An adapter (by others) may be required to make the transition between the line set and the coil connector. The evaporator coil has sweat copper connections. The suction line is a swaged solder cup connection. The liquid line connection is made to a tail piece portion of the TXV. Remove the nut on the inlet to the expansion valve and place it on the tail piece prior to brazing the liquid line. DO NOT connect the tail piece to the TXV until the liquid line has been brazed to the tail piece. Refrigerant lines should be soldered with silver solder or other high temperature brazing alloy. Dry nitrogen must flow through the refrigerant lines during the brazing operation to prevent oxidation. Caution IT IS MANDATORY TO USE AN EMERGENCY AUXILIARY DRAIN PAN WITH ANY COIL OR AIR HANDLER INSTALLED IN AN ATTIC OR ABOVE A FINISHED CEIING! E. Electric Furnace J. Refrigerant Flow Control Optional electric heating packages are available, see the unit label for various sizes. * See Electric Heater Kit Specifications Table As shipped, the TXV installed on the A-coil is for the nominal capacity of a 13 SEER matched with Heat Controller, Inc., condensing units. The TXV is for use on an R-410A system. For other refrigerants, contact the factory. TXV has a built-in check valve for reverse flow and is suitable for heat pump operation. All are externally equalized with non-adjustable superheat and have 15% bleed. Hard start capability for outdoor units is not normally required when a 15% bleed valve is used. The external equalizer line attached to the TXV has a female flare nut and is attached to the suction line at the coil. Install the TXV bulb to the suction line using the bulb clamp furnished with the kit. The bulb should be installed on a horizontal run of the suction line if possible. On a line less than 7/8” OD, the bulb may be installed on top of the line. With 7/8” OD or over, the bulb should be installed in a position of about 4 or 8 o’clock. If the bulb installation is made on a vertical run, the bulb should be located at least 6 inches from any bend and on the tubing side opposite the plane of the bend. On vertical bulb installations, the bulbs should be positioned with the bulb capillary tube at the top. The bulb must be insulated using thermal insulation to protect it from the effects of the surrounding ambient temperature. F. Power Wiring Refer to the unit’s nameplate for specific electrical data. Caution DISCONNECT POWER AT MAIN FUSE OR CIRCUIT BREAKER DISTRIBUTION PANEL BEFORE WIRING UNIT TO PREVENT SHOCK OR FIRE HAZARD. Use copper conductors only. Tighten all wire connectors. Refer to unit nameplate for minimum circuit ampacity. For correct wire size, refer to the National Electrical Code. Use 75˚C minimum wire in unit wiring compartment. NOTE: SEE UNIT FOR COMPLETE WIRING DIAGRAM LOCATED ON BLOWER HOUSING. G. Control Wiring Field connections are made to the low voltage terminal strip. Consult installation instructions provided with accessory items for specific information on control wiring. Use 18 AWG minimum copper control conductors for control wiring up to 50 feet between units. 16 AWG control conductors are recommended for lengths up to 100 feet. Class 2 wiring is acceptable. Do not short control leads. Transformer burn-out will result. Set thermostat heat anticipator at 0.15 amps for air handler. H. Blower Motor Units are equipped with a three-speed blower motor. Two factoryselected motor speed leads are connected to the fan relay (FR) to provide automatic speed change for heating and cooling airflow volumes. The pre-selected motor speeds would normally not have to be changed in the field. All HAH models contain a post purge timer (TDR) that delays the blower turning off at the end of the cooling cycle, this improves energy efficiency. 2 K. CONDENSATE DRAIN M. CHECK TEST AND START UP TURN OFF POWER AT BREAKER PANEL Electric heaters are high current devices. Verify that all electrical connectors, whether push-on or compression-type are tight. Loose connections will cause the wire and/or terminal to fail. The unit should be tested after the system has been completely installed to determine proper operation. Energize the unit by switching on the line voltage source and the thermostat. The air handler drain pan has ¾” FPT primary and secondary connections whether used in an upflow or horizontal configuration. Piping from each stub is to have a 1½” minimum trap and each run pitched so as to provide for adequate drainage and secondary fittings together into a common drain. When an air handler is installed above a finished ceiling, an auxiliary drain pan must be provided under the unit as required by most local building codes. The secondary drain must be piped to a location that would provide the occupant a warning if the primary drain is blocked. N. PERIODIC MAINTENANCE Inspect and clean or replace filters at least every three months to ensure good airflow and optimum system capacity, efficiency and life. This equipment should NEVER BE OPERATED WITHOUT AN AIR FILTER in place (see Section AIR FILTER). The blower motor is permanently lubricated. ALWAYS disconnect power before removing access doors! L. AIR FILTER Air handlers are factory equipped with an air filter. If the return grille has its own filter, the filter installed in the air handler should be removed. Air filter should be inspected and cleaned or replaced as often as is necessary to prevent restriction of air flow (minimum every three months for normal installations). Always replace the filter with the same type originally furnished. Dimensions AHB Dimensions 24-60 AHB HAG 24, 30, 36 1336 1324, AHBHAG 42, 48, 601360 1348, 3 ELECTRIC HEATER KIT SPECIFICATIONS MODEL USED WITH N/A Without heat kW@ 240V 208V MINIMUM CIRCUIT AMPACITY 240V 208V MAX. FUSE OR BREAKER (HACR) 240V 208V 0 0 2.1 1.9 15 15 5.0 3.8 29 25 30 25 8.0 6.0 44 39 45 40 10 7.5 55 48 60 50 0 0 3.5 3.4 15 15 5.0 3.8 30 27 30 30 8.0 6.0 46 40 50 40 10 7.5 56 49 60 50 15 11.3 56/26 49/23 60/30 50/30 0 0 4.0 3.9 15 15 7800-313B 5.0 3.8 30 27 30 25 7800-314B 8.0 6.0 46 41 50 45 10 7.5 57 50 60 50 7800-316B 15 11.3 53/30 46/27 60/30 50/30 7800-317B 20 15 57/63 50/46 60/60 50/50 0 0 6.0 5.9 15 15 7800-313B 5.0 3.8 32 29 35 30 7800-314B 8.0 6.0 48 42 50 45 10 7.5 59 52 60 60 7800-316B 15 11.3 60/35 50/30 7800-317B 20 15 60/60 60/50 7800-305B 7800-306B HAG24-00-1A 7800-308B N/A Without heat 7800-305B 7800-306B 7800-308B HAG36-00-1A 7800-312B N/A 7800-315B N/A 7800-315B 7800-400 Without heat HAG48-00-1A Without heat HAG60-00-1A HAG61-00-1A 5 3/32 59/53 46/29 52/46 4-Pole Jumper BarAssembly 15 and 20kWonly 4 CB 2 T1 T2 CB 1 T1 T2 H EAT SEQ U EN C ER HS 18 G A TYPE 1015 600V TEW 105 C 18 G A T Y P E 1015 600V T E W 105 C 24V FIELD WIRING PER LO CAL CO DE 12 G A TYPE 1015 600V TEW 105 C HAG - T O 20 KW W IT H T D R XF M R T R AN SF O R M ER L S LI M I T SWI T C H T D R T IM E D EL AY R EL AY C I R C U IT BR EAKER F AN R EL AY CB FR LS- 1 BLOWER MOTOR BRN BRN BLU WH T/YEL 5 KW RESISTIVE HEAT STR IP LS- 2 5 KW RESISTIVE HEAT STR IP LS- 3 RED BLK WHT MALE P3 FEMALE P2 BLU BLU H 3 5 FR 1 O U T D O O R U N IT C O N TAC T O R RED BLK BLK BLK BLK RED RED RED RED 4, 5 KW RESISTIVE HEAT STR IP 3 5 H TD R H S-2 WHT WHT H S-1 1 4 1 4 6 C L EGEND L1 L2 L1 L2 RED RED LS- 4 BLU RED BLK XF MR BLK WHT 24VAC 4, 5 KW RESISTIVE HEAT STR IP GRN RED BLU YEL 208/240240VAC RED YEL YEL W1 T-STAT W2 AN D CO N D GRN RED YEL RED BLU 5 RED 5 4 BLK GROUND LUG 2 3 ORG W1 W2 Y R G HI FR 2 1 2 2 P2 P3 H S-1 H S- 1 H S- 2 H S- 2 CB L1 CB 4 P2 4 P3 LO C H S- 1 T DR H S-2 TD R XF MR L S-1 L S-2 1 FR 2 0 8 VAC 6 6 P3 P2 3 3 P3 P2 H E A T S T R IP - 1 BL OWER MOT OR FR L S-3 L S-4 H E A T S T R IP - 2 H E A T S T R IP - 3 H E A T S T R IP - 4 2 CB L2 CB 06/2009
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