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Sequence Of Operation Chart - Whirlpool Residential Gas Water Heater Installation Instructions And Use & Care Manual

With the flame lock safety system
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SEQUENCE OF OPERATION CHART

Apply Power
to Appliance.
Is there a
Call for Heat.
Y
Is Damper
N
Closed?
Damper Energizes.
N
Is Damper
Open?
Pilot Valve
Energizes
Does Pilot
N
Valve Open?
Spark Electrode
is Energized
Is
Pilot Flame
N
Sensed Within
1.5 min. ?
Main Valve
Energized
Does Main
Valve Open?
Is Main
Flame Sensed?
Is Demand for
Heat Satisfied?
Pilot & Main
Valve De-Energize.
Is Flame
Sensed?
Damper Energizes
and Closes.
30
Will not attempt to light 2
flash error code. See
Corrective Action Table
on page 28.
Gas Valve attempts to open damper
for 30 seconds, then waits 2 mintues.
3 flash error code. See Corrective
Action Table page 28.
Will not light. 8-4 flash
error code. See Corrective
Action Table on page 28.
Will not light. 8-4 flash
error code. See Corrective
Action Table on page 28.
Will not light. 8-4 flash
N
error code. See Corrective
Action Table on page 28.
Will not light. 8-4 flash
N
error code. See Corrective
Action Table on page 28.
Will not light. 8-4 flash
N
error code. See Corrective
Action Table on page 28.
Wait for flame lost, 5 flash
Y
error code. See Corrective
Action Table, page 28.
Damper closes, 20 minute
lockout, 6-4 flash error
code. See Corrective
Action Table, page 28.

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