Garland Air-Deck G56PT, Инструкция по установке и эксплуатации

Страница: 17 / 20

Part # 1382670 (12/07) Page 17
INTERMITTENT PILOT INSTRUCTIONS Continued
NO
NO
NO
NO
NO
NO
NO
NO
START
TROUBLE SHOOTING
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
IS POWER ON -
MEASURE 25 V
THERMOSTAT CALLS
FOR HEAT
SPARK ACROSS
IGNITER / SENSOR GAP
PILOT BURNER LIGHTS
SPARK STOPS WHEN
PILOT IS LIT
MAIN BURNER LIGHTS
SYSTEM RUNS UNTIL
CALL FOR HEAT ENDS
CALL FOR HEAT ENDS:
SYSTEM SHUTS OFF
TROUBLE SHOOTING ENDS
CHECK LINE VOLTAGE POWER, LOW VOLTAGE TRANSFORMER,
AND LOW VOLTAGE WIRING .
CHECK THERMOSTAT AND CONTROLLERS .
PULL IGNITION LEAD
AND CHECK SPARK AT
IGNITION STUD .
CHECK IGNITION CABLE,
GROUND WIRING, ELECTRODE
CERAMIC INSULATOR AND
GAP AND CORRECT .
CHECK THAT ALL MANUAL GAS COCKS ARE OPEN, SUPPLY
TUBING AND PRESSURES ARE GOOD, AND PILOT BURNER ORIFICE
IS NOT BLOCKED . CHECK ELECTRICAL CONNECTIONS BETWEEN
CONTROL AND PILOT OPERATOR ON GAS CONTROL . CHECK FOR
24 V AT TERMINALS 1 & 5, IF NO VOLTAGE REPLACE CONTROL .
REPLACE
CHECK CONTINUITY OF IGNITION CABLE AND GROUND WIRE .
CHECK THAT PILOT FLAME COVERS BOTH ELECTRODES . IF
CHECKS ARE OKAY, REPLACE MODULE .
CHECK FOR 24 V AT TERMINALS 3 & 5 . IF NO VOLTAGE REPLACE
MODULE . CHECK ELECTRICAL CONNECTIONS BETWEEN
MODULE AND GAS CONTROL . IF OKAY, REPLACE GAS CONTROL .
CHECK CONTINUITY OF IGNITION CABLE AND GROUND WIRE .
NOTE: IF GROUND IS POOR OR ERRATIC SHUTDOWNS MAY OCCUR
OCCASIONALLY EVEN THOUGH OPERATION IS NORMAL AT THE
TIME OF THE CHECKOUT . CHECK FOR EXCESSIVE HEAT AT
ELECTRODE INSULATOR (TEMPERATURE ABOUT 600° F (315° C)
CAUSES SHORT TO GROUND) . IF CHECK ARE OKAY, REPLACE
MODULE .
CHECK FOR PROPER THERMOSTAT OR CONTROLLER
OPERATION REMOVE AT MODULE; IF VALVE CLOSES, REPLACE
MODULE, IF NOT, REPLACE GAS CONTROL .
REPEAT PROCEDURE UNTIL TROUBLE FREE OPERATION IS OBTAINED .
NO
Trouble Shooting
NOTE: The Electronic S86 Control Module cannot be
repaired . If troubleshooting indicates a malfunction in the
S86 the S86 module must be replaced . Intermittent pilot
systems should be serviced only by trained and experienced
personnel .