TABLE 1
FILTER SIZE
Unit Qty.
072, 090 4
2
120
2
2
150
2
180, 240 6
B-Blower Motor
Filter Size - inches (mm)
16 X 20 X 2 (406 X 508 X 51)
16 X 20 X 2 (406 X 508 X 51)
16 X 25 X 2 (406 X 635 X 51)
20 X 20 X 2 (508 X 508 X 51)
20 X 25 X 2 (508 X 635 X 51)
18 X 24 X 2 (457 X 610 X 51)
Blower motor is prelubricated. No further lubrication is
required.
Contact a qualified service 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.
6- Make sure all access panels are in place.
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 REMOVAL
(Four Filters On -072, 090, 120 & 150 Units)
FIGURE 6
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)
Compressor
High Pressure Switch (S4, S7)
Condenser Fan Motor
Condenser Fan Blade
Sensor Lead
Combination Gas Valve
Flue Baffle
Limit Control (S 10)
CAB Proving Switch (s18)
Cooling Parts
Cond, Fan Run Capacitors (C1, C2)
Freezestat (S49, S50)
Cond, Fan Mount, Bracket
Fan Grille
Auxiliary Limit Control (S21)
Burner Manifold Assembly
Main Burner Orifices
Ignition Electrode Assembly
Hi Heat Delay (DL3)
Blower Wheel
Expansion Valve Distributor
Expansion Valve
Indoor Blower Motor
Compressor Contactor (K1, K2)
Transformer (Control) T1
Blower Contactor (K3)
Limit, Blower Relay (K20)
Crankcase Heater Relay (K191)
Electrical Control Parts
Capacitor CAB (C3)
Transformer (T3) (575/460V only)
Combustion Air Inducer Relay (K13)
Firestat Switches (S74, S75)
Blower Delay (K25)
Low Amb. Pressure Sw. (S11, S84)
Condenser Fan Contactor (K10)
Reversing Valve
Page 5
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