SERVICING
S-1
CHECKING VOLTAGE ........................................................................................................................... 45
S-2
CHECKING WIRING .............................................................................................................................. 45
THERMOSTAT AND WIRING ................................................................................................................. 45
HEATING ANTICIPATOR ........................................................................................................................ 45
S-4
CAPACITANCE CHECK ......................................................................................................................... 46
S-15
CHECKING CAPACITOR ....................................................................................................................... 46
RESISTANCE CHECK ........................................................................................................................... 48
S-200
CHECKING DUCT STATIC ..................................................................................................................... 47
S-201
CHECKING TEMPERATURE RISE ........................................................................................................ 47
S-300
S-302
S-303
INDUCED DRAFT BLOWER MOTOR .................................................................................................... 50
S-304
S-305
CHECKING MAIN BURNERS ................................................................................................................ 50
S-306
CHECKING ORIFICES ........................................................................................................................... 50
S-307
CHECKING GAS PRESSURE ............................................................................................................... 51
S-308
S-309
CHECKING FOR FLASHBACK .............................................................................................................. 53
S-310
CHECKING PRESSURE SWITCH ......................................................................................................... 53
S-311
S-312
S-313
S-314
CHECKING FLAME SENSOR ............................................................................................................. 55
SERVICE NUMBERS
39