SERVICING
S-1
CHECKING VOLTAGE ........................................................................................................................... 44
S-2
CHECKING WIRING .............................................................................................................................. 44
THERMOSTAT AND WIRING ................................................................................................................. 44
HEATING ANTICIPATOR ........................................................................................................................ 44
S-4
CAPACITANCE CHECK ......................................................................................................................... 45
S-15
CHECKING CAPACITOR ....................................................................................................................... 45
RESISTANCE CHECK ........................................................................................................................... 45
S-200
CHECKING DUCT STATIC ..................................................................................................................... 46
S-201
CHECKING TEMPERATURE RISE ........................................................................................................ 46
S-300
S-302
S-303
INDUCED DRAFT BLOWER MOTOR .................................................................................................... 49
S-304
S-305
CHECKING MAIN BURNERS ................................................................................................................ 49
S-306
CHECKING ORIFICES ........................................................................................................................... 49
S-307
CHECKING GAS PRESSURE ............................................................................................................... 50
S-308
S-309
CHECKING FOR FLASHBACK .............................................................................................................. 52
S-310
CHECKING PRESSURE SWITCH ......................................................................................................... 52
S-311
S-312
S-313
S-314
CHECKING FLAME SENSOR ............................................................................................................. 54
38
SERVICE NUMBERS