SERVICING
S-1
CHECKING VOLTAGE ................................................................................................................................. 44
S-2
CHECKING WIRING ..................................................................................................................................... 44
THERMOSTAT AND WIRING ....................................................................................................................... 44
HEATING ANTICIPATOR .............................................................................................................................. 44
S-4
S-16
S-200
CHECKING DUCT STATIC ........................................................................................................................... 45
S-201
CHECKING TEMPERATURE RISE .............................................................................................................. 46
S-300
S-301
S-302
S-303
INDUCED DRAFT BLOWER MOTOR .......................................................................................................... 48
S-304
S-305
CHECKING MAIN BURNERS ...................................................................................................................... 49
S-306
CHECKING ORIFICES ................................................................................................................................. 49
S-307
CHECKING GAS PRESSURE ...................................................................................................................... 49
S-308
S-309
CHECKING FOR FLASHBACK .................................................................................................................... 52
S-310
CHECKING PRESSURE CONTROL ........................................................................................................... 52
S-311
S-312
S-313
S-314
CHECKING FLAME SENSOR .................................................................................................................... 54
SERVICE NUMBERS
43