Raypak 260-401 Installation And Operating Instructions Manual page 29

ELECTRICAL (STANDING PILOT)
IF PILOT BURNER LIGHTS
BUT MAIN BURNERS DO NOT
CHECK FOR 24 V
AT GAS VALVE
IF NOT 24 V:
CHECK TRANSFORMER OUPUT
FOR 24 V
IF NO
24V:
REPLACE
TRANSFORMER
ELECTRICAL TROUBLESHOOTING
For Service Technicians
START HEATER
IF 24 V:
REPLACE
GAS VALVE
IF 24 V:
PROBLEM IN
LIMIT
CIRCUITS
29
IF PILOT BURNER
DOES NOT LIGHT
CHECK THERMOCOUPLE
IF O.K. IF DEFECTIVE
REPLACE REPLACE
GAS VALVE THERMOCOUPLE
WARNING
HIGH VOLTAGE
For Qualified Technicians ONLY