29
ELECTRICAL TROUBLESHOOTING
For Service Technicians
START HEATER
IF PILOT BURNER LIGHTS
IF PILOT BURNER
BUT MAIN BURNERS DO NOT
DOES NOT LIGHT
CHECK FOR 24 V
CHECK THERMOCOUPLE
AT GAS VALVE
IF NOT 24 V:
IF 24 V:
IF O.K.
IF DEFECTIVE
CHECK TRANSFORMER OUPUT
REPLACE
FOR 24 V
GAS VALVE
REPLACE
REPLACE
GAS VALVE
THERMOCOUPLE
IF NO
IF 24 V:
24V:
REPLACE
PROBLEM IN
TRANSFORMER
LIMIT
CIRCUITS
WARNING
HIGH VOLTAGE
For Qualified Technicians ONLY
ELECTRICAL (STANDING PILOT)
Содержание 260-401
Страница 17: ...17 WIRING DIAGRAM INTERMITTENT IGNITION DEVICE IID MODEL 261 LOW NOx...
Страница 18: ...18 WIRING DIAGRAM INTERMITTENT IGNITION DEVICE IID MODEL 401 LOW NOx...
Страница 32: ...32 FOR UNITS WITH A LOW NOx TRAY...
Страница 33: ...33...
Страница 34: ...34...