All installations and services must be performed by qualified service personnel.
DO BURNERS STAY LIT PAST PROOF OF FLAME CHECK?
YES
NO
IS IGNITOR | NO |
POSITIONED CORRECTLY?
YES
CHECK AND CLEAN BURNERS
CHECK FOR PROPER LINE
AND MANIFOLD PRESSURE
REFERENCE GAS
PRESSURE CHART PAGE 31.
OK |
CHECK FLAME PROB2
AND WIRE AND CHECK
POLARITY ON INCOMING
POWER AND GROUND
REPOSITION TO CORRECT LOCATION
IS W2 ENERGIZED?
NO
| YES | DOES INDUCER | NO |
| |||
| GO TO | ||
|
|
| |
|
| HIGH SPEED? |
|
|
|
|
YES |
DOES BURNER | NO |
STEP TO HIGH FIRE?
IS THERE LINE |
| ||
| |||
VOLTAGE ACROSS | NO | ||
INDUCER POWER | |||
| |||
TERMINALS "IND HI" |
| ||
TO "IND N"? |
| ||
| |||
| YES |
| |
|
| ||
|
|
| |
CHECK CONNECTIONS
TO INDUCER. IF OK,
REPLACE INDUCER.
IS THE HIGH FIRE | NO | |
PRESSURE SWITCH | ||
| ||
CLOSED? |
| |
|
|
REPLACE
THE
CONTROL.
CHECK
CONTACTS
IN HIGH
FIRE SWITCH
AND FOR
BLOCKAGE IN FLUE. IF OK,
REPLACE DUAL
PRESSURE
YES
YES |
SWITCH.
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