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All installations and services must be performed by qualified service personnel.
36
AFTER GAS VALVE
OPENS, DO THE
BURNERS IGNITE?
MEASURE MANIFOLD
PRESSURE. IS
PRESSURE ADEQUATE?
ADJUST TO 3.5" WC FOR
NATURAL GAS OR 10.0" WC
FOR PROPANE GAS
CHECK IGNITOR
VOLTAGE DURING
20 SECOND WARM-UP,
IT SHOULD BE AT
LEAST 105 VOLTS.
CORRECT LINE
VOLTAGE PROBLEM.
IS IGNITOR
POSITIONED
CORRECTLY?
REPOSITION TO
CORRECT LOCATION.
DO BURNERS STAY
LIT PAST PROOF
OF FLAME CHECK?
CHECK FLAME
PROVING CIRCUIT
DOES THE INTEGRATED
CONTROL ENERGIZE THE
CIRCULATING AIR
BLOWER AFTER THE 45
SECOND TIME DELAY?
CHECK ACROSS THE
CIRCULATING AIR
BLOWER TERMINALS
"CIR N" & "HEAT"
FOR PROPER VOLTAGE.
REPLACE THE
INTEGRATED CONTROL.
DOES THE CIRCULATING
AIR FAN COME ON
WHEN ENERGIZED?
DOES BLOWER
SPIN FREELY?
CONFIRM IF EITHER
BLOWER WHEEL IS
RUBBING AGAINST
HOUSING OR MOTOR
SHAFT IS SPINNING
FREELY AND REPAIR
OR REPLACE AS
NECESARRY.
REPLACE MOTOR
IS CAPACITOR
WORKING PROPERLY?
REPLACE CAPACITOR
Yes
Yes
Yes
Yes
Yes
No No
Yes
No
Yes
No
No
No No
No
Yes
Yes
No
No