LENNOX Package Units(both Units Combined) Manual L0806701
User Manual: LENNOX LENNOX Package Units(both units combined) Manual LENNOX Package Units(both units combined) Owner's Manual, LENNOX Package Units(both units combined) installation guides
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See unit nameplate for manufacturer and address. 504,502M 8/2002 Supersedes 10/2001 GCS16-072, AWARNING 150, 090, 180, (6, 7-1/2, 10, 12-1/2, 15, 20 TON) ROOFTOP UNITS GCS16-090, 120, 150 SHOWN READ ALL INSTRUCTIONS IN THIS MANUAL AND RETAIN FOR FUTURE REFERENCE FBR113270 TeChnical blications Lithe U.S.A. G_)2002 -&WARNING WHAT TO DO IF YOU SMELL GAS: Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. Installation and service must be performed by a qualified installer, service agency or the gas supplier. 08/02 IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIll • Do not try to light any appliance. • Extinguish any open flames. • Do not touch any electrical switch; do not use any phone in your building. • Leave the building immediately. • Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions. • If you cannot reach your gas supplier, call the fire department. 504,502M IIIllllllllllllllllllllllllllH EVAPORATOR COIL FILTERS (4) CONDENSER HEAT EXCHANGERTUBES FAN (2 ON -120 & -150 UNITS) COMBUSTION INDUCER CONDENSER AIR COIL FLUE BOX COVER CONTROLBOX_ GAS VALVE BURNERS SIDE POWER ENTRY (-072, -090 UNITS) CONDENSATE DRAIN BOTTOM POWER ENTRY BLOWER MOTOR COMPRESSORS (10N-072UNITS) (Requires additional field-installed kit; refer to "Electrical Connections" section) FRONT POWER ENTRY (-120 & -150 UNITS) EVAPORATOR COIL FILTERS (6) CONDENSER HEAT EXCHANGERTUBES FANS (2) COMBUSTION AIRINDUCER CONDENSER COIL COVER IGNITION CONTROL CONTROL GAS VALVE CONDENSATE BLOWER MOTOR POWER ENTRY COMPRESSORS(3) BOTTOM POWER ENTRY Page 1 DRAIN ,&,WARNING , ,WARNING - Keep gas heat section clear and free of combustible materials, gasoline and other flammable vapors and liquids, . - ,&IMPORTANT Inspect return air duct to ensure duct is sealed to the curb external to the unit, Inspect physical support of unit to guarantee that it is sound without sagging, cracks, or gaps around base, On downflow units, seal between base and support must also be checked to make sure it is tight, - A, WARNING Do not obstruct air flow around unit, Unit must receive an unobstructed flow of combustion and ventilating air. ,&,CAUTION ,&WARNING FOR YOUR SAFETY READ BEFORE LIGHTING BEFORE LIGHTING smell all around the furnace area for ,&WARNING gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor, Use only your hand to push in or turn the gas control knob. Never use tools. If the knob will not push in or turn by hand, do not try to repair it, call a qualified service technician. Force or attempted repair may result in a fire or explosion. ,&WARNING ,&,WARNING Page 2 7- Turn the knob on the gas valve counterclockwise41_ to "ON". Do not force. ,WARNING 8- Close or replace the heat section access panel. 9- Turn on all electrical power to furnace. 10- Set thermostat to desired setting. This unit is equipped with an automatic spark ignition system. There is no pilot. In case of a safety shutdown, move thermostat switch to OFF and return the thermostat switch to HEAT to reset ignition control. See figure 1. For units which have electronic temperature control devices, shut off the main disconnect and return it to the on position to reset the ignition control. /_ I!! HEAT THERMOSTAT . lil COOL 11- The combustion air inducer will start. The burners will light within 40 seconds. 12- If the furnace does not light the first time (gas line not fully purged), it will attempt up to two more ignitions before locking out. WHITE RODGERS 36C76 GAS VALVE INLET PRESSURE STAGE2 MANIFOLD PRESSURE ADJUSTMENT SCREW UNDER CAP MANIFOLD PRESSURE TAP_SIDE) 50 10 60 15 70 80 20 2530 \\\\'_\\\"I II1"////'1111 I I II I FAN ON HEAT OFF COOL FIGURE 1 A-Placing Unit In Operation ,WARNING FIGURE 2 HONEYWELL VR8305Q SERIES GAS VALVE LOW FIRE ADJUSTMENT HIGH FIRE ADJUSTMENT Gas Valve Operation for White Rodgers 36C (figure 2) and Honeywell VR8305Q (figure 3) MANIFOLD PRESSURE TAP 1- Set thermostat to lowest setting. 2- Turn off all electrical power to furnace. 3- This furnace is equipped with an ignition device which automatically lights the burner. Do not try to light the burner by hand. 4- Open or remove the heat section access panel. 5- Turn the knob on the gas valve clockwise "OFF". , PRESSURE TAP 4_ to Depress 36C knob slightly. Do not force. I(( _ _ 4'''_t_" , L._._=Vi oF_/ Gas valve knob is shown in OFF position, FIGURE 3 6- Wait five (5) minutes to clear out any gas. If you then smell gas, STOP! Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions. If you do not smell gas, go to the next step. Page 3 13- If lockout occurs, repeat steps 1 through 10. 14- If the furnace will not operate, follow the instructions "Turning Off Gas to Furnace" and call your service technician or gas supplier. Turning Off Gas to Furnace - If using an electromechanical thermostat, set to the &CAUTION lowest setting. 2- Before performing any service, turn off all electrical power to the furnace. 3- Open or remove the heat section access panel. To maintain efficiency and longevity, your equipment must be serviced yearly by a qualified service technician. 4- Turn the knob on the gas valve clockwise "OFF". _1_ to Failure to provide proof of service can void warranty. Depress 36C knob slightly. Do not force. GAS HEAT SECTION - 072,090 5- Replace heat section access panel. The combustion air pressure switch checks the combustion air inducer operation before allowing power to the ignition controller. Ignition controller ._OMBUSTION _-_,IR INDUCER COMBUSTION AIR LOUVERS will not operate if blower is obstructed. MANUALKNOB Under normal operating conditions, the combustion air blower wheel should be inspected prior to heating season. With power supply disconnected, the condition GAS VALVE --_ O of the blower wheel can be determined by removing the vent cap assembly and looking through the exhaust vent. Remove any deposits BURNERS / of debris from vent cap assembly before reinstalling it on unit. If cleaning combustion air inducer is necessary, contact a qualified service technician. VENT CAP See figure 4 and 5. FIGURE 4 GAS HEAT SECTION - 120, 150, 180, 240 I ;OMBUSTION _IRINDUCER . &WARNING VENT CAP COMBUSTION AIR LOUVERS MANUALKNOB GAS VALVE --_ O &WARNING BURNERS _ FIGURE 5 A-Servicing Filter GCS16 units throwaway-type The primary air is permanently set for normal operation. are filters, equipped Filters with should pleated 2" be checked monthly and replaced when necessary with filters of like The flame will be basically blue with some clear yellow kind and size. Take note of air flow direction marking on streaking in the end of the flame. Inspect burner flame filter frame when reinstalling filters. See figure 6, periodically during heating season using inspection port NOTE--Filters must be U.L,C, approved or equivalent for use in Canada, provided on the burner access panel. Page 4 TABLE 1 FILTER SIZE Unit Qty. 072, 090 To keep your heating and cooling system in peak operating condition year after year, contact a qualified service technician about a regular maintenance program. Filter Size - inches (mm) 4 16 X 20 X 2 (406 X 508 X 51) 2 16 X 20 X 2 (406 X 508 X 51) 2 16 X 25 X 2 (406 X 635 X 51) 2 20 X 20 X 2 (508 X 508 X 51) 2 20 X 25 X 2 (508 X 635 X 51) 6 18 X 24 X 2 (457 X 610 X 51) FILTER REMOVAL (Four Filters On -072, 090, 120 & 150 Units) 120 150 180, 240 B-Blower Motor Blower motor is prelubricated. required. Contact a qualified service No further lubrication is technician if the unit is inoperative. Before calling, always check the following to be sure service is required: 1- Be sure electrical disconnect switches are ON. 2- Check room thermostat for proper setting. 3- Replace any blown fuses or reset circuit breakers. 4- Gas valve(s) should be ON for heating cycle. 5- Air filters should not be plugged, limiting air flow. FIGURE 6 6- Make sure all access panels are in place. The following repair parts are available. When ordering parts, include the complete model number listed on either the CSA International rating plate (e.g. GCS16-240-375-1Y) or the U.L.C.S.A. rating plate (e.g. CHA16-240-1 G) Heat Section Parts Heat Exchanger Combustion Air Inducer Burner Assembly Ignition Lead Ignition Control (A3) Rollout Switch (S47) Sensor Lead Combination Gas Valve Flue Baffle Auxiliary Limit Control (S21) Burner Manifold Assembly Main Burner Orifices Limit Control (S 10) CAB Proving Switch (s18) Ignition Electrode Assembly Hi Heat Delay (DL3) Cooling Compressor High Pressure Switch (S4, S7) Condenser Fan Motor Condenser Fan Blade Parts Cond, Fan Run Capacitors (C1, C2) Freezestat (S49, S50) Cond, Fan Mount, Bracket Fan Grille Blower Wheel Expansion Valve Distributor Expansion Valve Indoor Blower Motor Electrical Control Parts Compressor Contactor (K1, K2) Transformer (Control) T1 Blower Contactor (K3) Limit, Blower Relay (K20) Crankcase Heater Relay (K191) Capacitor CAB (C3) Transformer (T3) (575/460V only) Combustion Air Inducer Relay (K13) Firestat Switches (S74, S75) Page 5 Blower Delay (K25) Low Amb. Pressure Sw. (S11, S84) Condenser Fan Contactor (K10) Reversing Valve
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