All installations and services must be performed by qualified service personnel.
35
CHECK THE INTEGRATED
CONTROL DIAGNOSTIC LED
LAMP. RESET BY INTERRUPTING
POWER TO CONTROL FOR MORE
THAN ONE SECOND. IF LED STAYS
ON CONTINUOUSLY, REPLACE
INTEGRATED CONTROL.
CHECK WIRING TO INDUCER
AND IF OK, REPLACE
INDUCER ASSEMBLY.
DOES THE HOT
SURFACE
IGNITOR ENERGIZE
AND GLOW?
CHECK THE INTEGRATED CONTROL
DIAGNOSTIC LED LAMP. RESET BY
INTERRUPTING POWER TO CONTROL
FOR MORE THAN ONE SECOND. IF
LED STAYS ON CONTINUOUSLY
REPLACE INTEGRATED CONTROL.
IS THERE LINE VOLTAGE
ACROSS HOT SURFACE
IGNITOR TERMINALS
"IGN" & "IGN N" AT THE
INTEGRATED CONTROL?
CHECK WIRING TO HOT
SURFACE IGNITOR AND
IF OK, REPLACE HOT
SURFACE IGNITOR ASSEMLBY.
CHECK WIRING TO GAS
VALVE AND IF OK,
REPLACE GAS VALVE.
CHECK ACROSS "MV"
TERMINALS ON INTEGRATED
CONTROL FOR 24 VOLTS DURING
THE 4 SECOND FLAME PROVING
PERIOD AFTER IGNITOR WARM-UP.
IS THERE 24 VOLTS?
SAME AS ABOVE
AFTER HOT
SURFACE IGNITOR
WARM-UP, DOES
GAS VALVE OPEN?
Yes
No
No
Yes
Yes
Yes
No
Yes
No
Yes
No
Yes
IS THERE LINE VOLTAGE
ACROSS INDUCER POWER
TERMINALS "IND" & "IND N"
AT THE INTEGRATED CONTROL?
Содержание GMD1-80N
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Страница 47: ...All installations and services must be performed by qualified service personnel 46 APPENDIX B WIRING DIAGRAM...