CARRIER Package Units(both Units Combined) Manual L0703181
User Manual: CARRIER CARRIER Package Units(both units combined) Manual CARRIER Package Units(both units combined) Owner's Manual, CARRIER Package Units(both units combined) installation guides
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NEATING 48SD Cooling Units & COOLING Gas Heating/Electric Visit www.carrier.com User's information Manual A Guide To Operating and Maintaining NOTE: Read installation. the entire instruction SAFETY Note to Installer: user. to follow Do not store or use gasoline Do this Immediately or other flammable ELECTRICAL property use could result in personal this warning death and/or not be left with the equipment of this or any other EXPLOSION, to follow injury, SHOCK could vapors and appliance. HAZARD result in personal injury, has water. damage. unit if any call a qualified unit and to replace been under water. the damage. in the vicinity Failure starting HAZARD property FIRE, should thiw warning death and/or liquids before CONSIDERATIONS This manual FIRE and EXPLOSION Failure manual part service been technician any part of the control under to inspect system A99338 Fig, 1-Gas Heating/Electric the which TO START (LIGHT) safety if you smell gas: Failure 1. Do not try to light any appliance. 2. Do not touch any electrical your building. 3. Immediately call your Follow 4. If you cannot do not use any phone in gas supplier the gas supplier's reach to follow death and/or switch: from a nearby HAZARD this warning property Do not attempt could result your gas , phone. supplier, call the FIRE, fire EXPLOSION, Failure to follow injury, death and/or = ELECTRICAL this hazard Before performing main power installed. HAZARD this warning 2. Before could recommended switch to unit result in personal maintenance, is turned injury property be sure 48SD system unit that can provide Starting or Shutting NOTE: Your an automatic year-round Unit combination direct packaged gas power to unit without to start the gas heating with of gas valve. cooling first 2. (;lose combustion section, procedures with of unit access that panel. to Fig. 4 while selector setting famil- must be Refer to Fig. 3 for proceeding the external 4. Remove on room thermostat and set system manual 3. Turn off the electrical unit is equipped and power the with the steps. temperature comfort. heating/cooling all Refer 1. Set the temperature heat/electric OFF spark ignition attempting Refer to Fig. 2 for location tag INTRODUCTION is a small in personal damage. the off and lock-out following This HAZARD could result off the gas supply. iarize yourself followed. location UNIT SHOCK warning T turning SHOCK injury, to light by hand. 1. Do not turn off the electrical I Failure to follow and/or death. in personal damage. instructions. department. ELECTRICAL Unit UNIT: FIRE and EXPLOSION For your Cooling has gas shutoff supply the front access switch to the lowest to HEAT. valve. to the unit. panel with a 5/I6-in. nut driver. blower. 5. Move the selector position switch on the internal gas valve to the OFF and wait 5 minutes. 6. Move the selector switch on the internal gas valve to the ON position. Manufacturer Book 1h_h__ Tab Ilal 6a reserves PC 101 the right to discontinue, Printed in U.S.A. or change at any Catalog time, No. specifications OM48-29 or designs without Pg 1 notice and without 02-07 incurring obligations. Replaces: OM48-20 7. Replace 8. Turn the front access on the electrical 9. Open the external 10. ignite on room thermostat Main gas valve will open within within 5 seconds, Mode after a period 5 seconds. slightly the ignition module Set the temperature selector and main light go into a Retry 22 seconds 15 minutes on room burners does not will of approximately above combustion If the burner the 5-second ignition period). If the burners do not light within for heat, there is a lockout. 11. OFF: valve. to start unit. The induced-draft air fan will start. UNIT to unit. gas shutoff selector room temperature should supply manual Set the temperature TO SHUT panel. (following of the initial call thermostat to desired setting. FIRE, EXPLOSION. Failure to follow death Do and/or not turning ELECTRICAL this warning property damage. turn off the electrical power If unit is being If unit is being shut down dealer as soon as possible. overheating the manual supply. to unit shut down because make sure to turn on power Should HAZARD in personal injury, without first off the gas supply. NOTE: ended, SHOCK could result because to the unit before use this unit season has system. of a malfunction, occur or the gas supply gas valve Do not the heating to cooling call your fail to shut off, shut off shutting if any part off the electrical has been under water. Immediately call a qualified service technician to inspect the unit and to replace any part of the control system and any gas control which has been under water. Refer to Fig. 5 while 1. Set proceeding the temperature temperature 2. (;lose setting manual 3. Turn off the electrical room power steps. thermostat switch shutoff the f}ont access 5. Move the selector the following on and set system the external 4. Remove with selector to lowest to OFF. valve. supply to the unit. panel. switch on the internal gas valve to the OFF position. 6. Replace 7. Restore FRONT ACCESS PANEL Fig. 2-Gas Heating/Electric Cooling Unit the front access panel. to the unit and set system electrical power COOL to ensure operation cooling season. of the cooling system switch during to the A°5175 OPERATING The operation ture control of your system (Thermostat). YOUR UNIT is controlled You simply by the indoor adjust tempera- the thermostat and it maintains the indoor temperature at the level you select. Most thermostats of heating and cooling systems have 3 controls: a temperature control MODE control. information. To better service protect calls, COOLING selector, your 71_1 BURNERS Fig. 3-Gas Heating/Electric / FLUE Hood GAS VALVE Cooling Unit A05147 or MODE mode to follow death and/or this warning property 1. If the main burners shut down service. 2. Never with attempt sparking following section to manually device lighter, injury, fails to start, and call your light the main or any other flame. procedures, dealer burners for and to eliminate with or for more unnecessary the following facts: control until the indoor set to COOL, temperature your unit will is lowered to the MODE or MODE control of your indoor your unit will run in gas heating temperature is raised and nights, your thermostat until to the level you have selected. system will time and have shorter "off' the same as the COOLING on unit mode typically MAINTENANCE AND On cold days run for longer periods than on moderate MODE. set the indoor periods of days. This is SERVICE If the electric fails to light the main burners, shutdown soon as possible. result in personal fail to light, or the blower gas heating a match, could to HEAT, damage. manual days. HEAT With the SYSTEM Failure yourself and a SYSTEM owner's level you have selected, On extremely hot days, your unit will run for longer periods at a time and have shorter "off" periods than on GAS HAZARD control, MODE run in cooling moderate FIRE and EXPLOSION investment familiarize With the SYSTEM A/ a FAN Refer to your thermostat then call your refer to the dealer as This section your dealer. system. You. maintenance discusses Most as the maintenance maintenance owner, may for your new unit. that should should wish be performed be performed to handle some by on your minor MAIN ON STEP t STEP2 STEP 3 STEP 5 [ STEP 4 Hkll STEP STEP6 7 MAIN ON '_ @ OFF STEP8 STEP STEP9 Fig, 4-To Start (Light) Unit 3 t0 A05148 MAI N ON STEP 1 STEP 2 STEP 3 I i STEP 5 STEP 4 I MAIN I ON 1 OFF STEP 7 STEP 6 Fig. 5-To Shut Unit Off 4 A05149 Table I-Indoor=Air Filter Data UNiT SIZE FILTER SIZE 48SD024=036 20 × 24 48SD042-060 24 x 36 ROUTINE MAINTENANCE All routine maintenance should personnel. dure. Your can help you establish For your safety, dealer be handled gasoline, To ensure proper and other flammable functioning must not be obstructed proce- the power entry side (12 in. minimum liquids and vapors. flow of condenser of the unit, from reaching top of the unit is 48 in. Clearance except experienced a standard keep the unit area clear and free of combustible materials, sides by skilled, the unit. Clearance of at least air 36 in. is required side (42 in. clearance) ACCESS fl'om the on and the duct *For accessory C99050 AND CARE FOR THE Access FIRE AND Failure UNIT to follow EXPLOSION, to follow ELECTRICAL this warning death and/or property damage. TURN OFF ALL ELECTRICAL AND INSTALL TAG can cause injury, TO YOUR BEFORE pressor UNIT FANS SERVICING When removing functions inside and screws. edges parts this caution access could panels result to a minimum, or reaching and appropriate special into the unit. injury. maintenance is taken to keep careful when safety glasses, Wear gloves, or should cleaned at least every it becomes 3 months dirty. Dirty and filters produce excessive motor to overheat stress on the blower motor and can cause the and shut down. Table I indicates the correct filter size for your unit. Refer To replace or inspect to Fig. 6 to access filters (or accessory the filters. filter rack 1. Remove the filter 2. Remove the filter(s) clean access panel using a 5/16-in. by pulling or replace nut driver. expertise locating proper filter instructions. When replacing type of filter that was be your com- and housing dealer and equipment AND of the coils Contact for the and required by periodic should only dealer when necessary. anyone to properly not This having do the job. the Contact maintenance. CONDENSER your operation, the heat maintenance person COILS be done by qualified for the required service annual mainte- DRAIN The condensate and cleaned dealer. and cleaned attempted dealer for the required drain and condensate drain line should at the same time the cooling be checked coils are checked by your COMPRESSOR are factory-shipped correct type refrigeration require additional CONDENSER grade with a normal oil. A compressor charge of the should rarely oil. (OUTDOOR) FAN it out of the unit. If the filter(s) note the direction of the airflow" PERSONAL Failure INJURY to follow Do not poke concerning and/or with a new one. When installing the new filter(s), arrow's on the filter frame. If you have difl'iculty of fan wheel Contact season, not All compressors when supplied): is dirty, required personnel. nance. be checked whenever the condition heating should CONDENSATE air filter(s) changed each Cleaning clothing. motor dependable and efficient heating should be checked by a qualified EVAPORATOR handling and blower MOTORS check checkout your sharp AIR FILTERS The of efficiency EXCHANGER before of sharp sheet metal parts care be extremely protective in personal or performing your unit, be aware Although loss fan-motor shaft bearings. annual maintenance. To ensure exchanger to follow injury, damage. Periodically, MAINTENANCE. HAZARD Failure in personal damage. AND FAN HEAT CUT HAZARD could result Never operate your unit without the filter(s) in place. An accumulation of dust and lint on internal parts of your unit HAZARD result in personal POWER LOCK-OUT OR PERFORMING SHOCK could OPERATION this warning death or property Failure Panel=Vertical Supply Shown EQUIPMENT Before proceeding with those things you might want to maintain yourself, please carefully consider the following: FIRE, filter rack clearance). Fig. 6-Filter MAINTENANCE OWNER PANEL PI_ERACCESS PANEL* your air filter(s) maintenance, filters, supplied, contact ahvays originally, or have questions your dealer revolving HAZARD this caution sticks, may result screwdrivers, in personal or any other injury. objects into fan blades. for use the same size and The by the installer. cooling. fan must Contact be kept your free of all obstructions dealer for any required to ensure service. proper ELECTRICAL CONTROLS AND WIRING 4. Inspection coils. Electrical controls are difficult to check without proper instrumentations. If there are any discrepancies in the operating cycle, contact your dealer and request service. REFRIGERANT and, if required, 5. Inspection condensate CIRCUIT The refrigerant circuit is difficult to cheek for leaks without the proper equipment. If inadequate cooling is suspected, contact your local dealer for service. and, if drain. and cleaning 7. Inspection of all supply-air EXPLOSION HAZARD Failure to follow this warning could result in personal injury, death and/or property damage. System under pressure. Relieve pressure and recover all refrigerant before system repair or final unit disposal. Use all service ports and open all flow-control devices, including solenoid valves. proper entering are fastened the unit unit airflow AREA The combustion rust, in place and to prevent to prevent rain AND VENT area and vent system from Complete each heating and scale season. can performance if allowed by a trained service should in loss accumulation of efficiency of dirt. soot, and to build up. This inspection improper should Components started in heating up. When to or touch section heating In addition trained service technician. at least every other year) 1. Inspection heat exchanger, in personal be careful cause, If your easy maintenance Be sure to read the warranty for your unit. SERVICE easily-solved call your ... problems. or cooling is suspected: for dirt. servicing or supply-air grilles. Be sure they If these checks do not reveal the dealer. unit is not operating at all, check the following list for solutions: HEAT injury. position of your unit. (Record passages-including by a properly be IN CASE passages able to offer exactly suggestions knowledgeable which over dealer for and serial in the space unit you have, the phone, preparation or he save for the ser- OF TROUBLE If you perform the burners, unsatisfactory, box. and ventilation-air position. them in this manual If the dealer knows valuable time through vice call. you might be willing regularly and not in the OFF ( ) If your unit still fails to operate, call your servicing troubleshooting and repairs. Specify the model not to get close An inspection (preferably each year, but should include the following: and flue collector the steps above and the unit pertbrmance is still shut off the unit and call your dealer. Name and Telephone 3. Close inspection unit. 2007 contract ( ) Check to be sure that your thermostat temperature selector is set below the indoor temperature during the cooling season or openings. Copyright warranty. heating the air filter may be inspected of all combustion- CALL for several Dealer's 2. Inspection condi- can be found in the unit Installation, FOR numbers of all flue product service YOU MAINTENANCE your unit should working be made at this time. Instructions. ( ) Check for blocked return-air are open and unobstructed. may be hot after unit has been flame, to the type of routine to perform, Pressure-check details. BEFORE components. DEALER instructions circuit. charge. CERTIFICATE provided.) REGULAR to ensure above the indoor temperature during heating season. Be sure the SYSTEM switch or MODE control is in the COOL or may result observing of deterioration. an economical the coverage HAZARD this caution gaps, etc., Ask for further to determine ...check person. INJURY may offer carefully ( ) Check to follow found be done FIRE, EXPLOSION HAZARD Failure to follow this warning could result in personal injury, death and/or property damage. If your unit makes an especially loud noise when the main burners are ignited, shut down the heating section and call your dealer. Failure for leaks, problems to determine should inspections. has a limited If insut_cient PERSONAL of the unit dealer and Service Unit 48SD The normal result and motor. ducts and components refrigerant or adjustment seasonal WARRANTY visually check service Start-Up coil condition. in the refrigerant appropriate servicing SYSTEM be inspected for leaks Repair that covers of the correct housing Any for signs wiring indoor that no cracks, a hazardous of all electrical 12. Operational on the unit. be sure disruption wheel the and indoor connection. to determine pattern. COMBUSTION before securely cabinet of and return-air of the unit casing 11. Inspection Your all panels of blower may cause 10. Inspection PANELS or service cleaning of the unit base to ensure 9. Inspection tions. any maintenance of the outdoor obstructions, and insulation integrity. should be resolved at this time. exist which After performing required, 6. Inspection 8. Inspection UNIT cleaning of all gas pipes leading CARRIER Manufacturer reserves PC 101 to and inside Unit Model of your Unit Serial Corp. the Y 7810 right W. Morris St. Y Indianapolis, to discontinue, Printed in U.S,A, or change Number IN 46231 at any Catalog time, No. specifications OM48-29 or designs without Pg 6 notice and without 02-07 incurring obligations. Repiaces: OM48-20
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