Rheem RGRJ series Installation Instructions Manual page 54

MAIN BURNER
REMAINS POWERED
AND LIT
INDOOR BLOWER MOTOR
STARTS 20 SECONDS
AFTER GAS VALVE OPENS
SYSTEM RUNS
UNTIL CALL FOR
HEAT ENDS
TURN THERMOSTAT TO OFF
VALVE SHUTS OFF
FLAME OFF
IDM MOTOR STOPS AFTER 5 SEC.
INDOOR BLOWER MOTOR
STOPS AFTER
90/120/160/180 SECONDS
TROUBLESHOOTING ENDS
NOTE: STATIC DISCHARGE CAN DAMAGE INTEGRATED FURNACE CONTROL (IFC)
54
NOTE: IF (IFC) GOES INTO LOCKOUT WAIT 30 SECONDS THEN
NO
• CHECK POLARITY OF 115VAC SUPPLY
• CHECK CONTINUITY OF GROUND WIRE
YES
• CHECK INSULATION OF IGNITER LEADS
• CHECK FLAME SENSE CURRENT (YELLOW LED)
LED IS ON IF FLAME CURRENT IS GOOD.
IT FLASHES IF CURRENT IS MARGINAL.
• IF CHECKS ARE OK, REPLACE (IFC)
• CHECK FOR 115VAC ACROSS
NO
BLOWER MOTOR AND BLOWER
MOTOR TERMINALS (HEAT AND
NEUTRAL) ON (IFC)
YES
REPLACE BLOWER MOTOR
NOTE: IF (IFC) GOES INTO LOCKOUT WAIT 30 SECONDS THEN
NO
• CHECK CONTINUITY OF GROUND WIRE. NOTE: IF GROUND IS
POOR OR ERRATIC, SHUTDOWN MAY OCCUR OCCASIONALLY
YES
EVEN THOUGH OPERATION IS NORMAL AT THE TIME
OF CHECKOUT.
• CHECK FLAME SENSE CURRENT
• IF CHECKS ARE OK, REPLACE (IFC)
• CHECK FOR PROPER THEMOSTAT OPERATION
NO
• REMOVE VALVE LEAD AT (IFC)
IF VALVE CLOSED, RECHECK THERMOSTAT AND
WIRING. IF NOT, REPLACE VALVE.
YES
NO
• CHECK FOR OPEN LIMIT.
• REPLACE (IFC)
YES
NO
• CHECK FOR OPEN LIMIT.
REPLACE (IFC)
YES
RESET SYSTEM
• TURN POWER OFF TO UNIT
• CLEAN FLAME SENSOR WITH STEEL WOOL IF LED FLASHES
• RESTORE POWER TO UNIT
YES
RESET SYSTEM
• CHECK FOR EXCESSIVE HEAT AT IGNITER BASE
(TEMP. ABOVE 1000 F (538 C) CAUSES SHORT TO GROUND)
• TURN POWER OFF TO UNIT
• CLEAN FLAME SENSOR WITH STEEL WOOL
• RESTORE POWER TO UNIT
REPEAT PROCEDURE UNTIL TROUBLEFREE
OPERATION IS OBTAINED.
NO REPLACE (IFC) IF
WIRING TO BLOWER
MOTOR IS OK
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