GDS8 Service Manual

46
SERVICING
SERVICE NUMBERS
S-1 CHECKING VOLTAGE................................................................................................................................. 47
S-2 CHECKING WIRING .................................................................................................................................... 47
S-3A THERMOSTAT AND WIRING ....................................................................................................................... 47
S-3B HEATING ANTICIPATOR .............................................................................................................................. 47
S-4 CHECKING TRANSFORMER AND CONTROL CIRCUIT .............................................................................. 48
S-10 CAPACITANCE CHECK .............................................................................................................................. 48
S-15 CHECKING CAPACITOR ............................................................................................................................. 48
S-15A RESISTANCE CHECK.........................................................................................................................48
S-16 CHECKING AIR CIRCULATOR BLOWER MOTOR (PSC) ......................................................................49
S-200 CHECKING DUCT STATIC ........................................................................................................................... 49
S-201 CHECKING TEMPERATURE RISE ............................................................................................................. 50
S-300 CHECKING PRIMARY LIMIT CONTROL...................................................................................................... 50
S-301 CHECKING AUXILIARY LIMIT CONTROL .................................................................................................... 51
S-302 CHECKING FLAME ROLLOUT CONTROL .................................................................................................. 51
S-303 INDUCED DRAFT BLOWER MOTOR.......................................................................................................... 52
S-304 CHECKING GAS VALVE (REDUNDANT) .................................................................................................... 52
S-305 CHECKING MAIN BURNERS ...................................................................................................................... 52
S-306 CHECKING ORIFICES ................................................................................................................................53
S-307 CHECKING GAS PRESSURE..................................................................................................................... 53
S-308 CHECKING HOT SURFACE IGNITOR ......................................................................................................... 55
S-309 CHECKING FOR FLASHBACK ................................................................................................................... 56
S-310 CHECKING PRESSURE CONTROL ........................................................................................................... 56
S-311 HIGH ALTITUDE APPLICATION (USA) ......................................................................................................... 56
S-312 CHECKING FOR DELAYED IGNITION ........................................................................................................ 57
S-313 CHECKING INTEGRATED IGNITION CONTROL BOARDS........................................................................ 57
S-314 CHECKING FLAME SENSOR................................................................................................................... 58