All installations and services must be performed by qualified service personnel.

Yes

AFTER GAS VALVE OPENS, DO THE BURNERS IGNITE?

Yes

No

MEASURE MANIFOLD

PRESSURE. IS

PRESSURE ADEQUATE?

Yes

CHECK IGNITOR

VOLTAGE DURING

20SECOND WARM-UP, IT SHOULD BE AT LEAST 105 VOLTS.

Yes

No

No

ADJUST TO 3.5" WC FOR

NATURAL GAS OR 10.0" WC

FOR PROPANE GAS

CORRECT LINE

VOLTAGE PROBLEM.

DO BURNERS STAY

No

LIT PAST PROOF

 

OF FLAME CHECK?

 

Yes

DOES THE INTEGRATED

 

CONTROL ENERGIZE THE

No

CIRCULATING AIR

 

BLOWER AFTER THE 45

 

SECOND TIME DELAY?

 

IS IGNITOR

No

 

 

POSITIONED

 

 

 

CORRECTLY?

 

 

 

 

 

CHECK FLAME

PROVING CIRCUIT

CHECK ACROSS THE

 

CIRCULATING AIR

No

BLOWER TERMINALS

 

"CIR N" & "HEAT"

 

FOR PROPER VOLTAGE.

 

 

 

REPOSITION TO

CORRECT LOCATION.

REPLACE THE

INTEGRATED CONTROL.

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DOES THE CIRCULATING

 

No

 

 

 

 

No

 

 

 

 

DOES BLOWER

 

 

 

AIR FAN COME ON

 

 

 

 

 

 

 

 

SPIN FREELY?

 

 

 

 

WHEN ENERGIZED?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yes

 

 

 

Yes

 

 

 

IS CAPACITOR

 

 

 

 

 

 

 

 

 

 

 

WORKING PROPERLY?

 

 

 

 

 

 

 

 

 

 

 

 

 

CONFIRM IF EITHER BLOWER WHEEL IS RUBBING AGAINST HOUSING OR MOTOR SHAFT IS SPINNING FREELY AND REPAIR OR REPLACE AS NECESARRY.

REPLACE MOTOR

No

REPLACE CAPACITOR

36

Page 37
Image 37
Lodge Manufacturing GMD1-80N manual After GAS Valve OPENS, do the Burners IGNITE?