CenCon
29
ALARM DESCRIPTION
Gas Valve Wiring
Gas valve feedback has power before the FR and SR contact are
energized.
Shorted Air proving
Combustion blower feedback exceeds 500 rpm for more than 60 seconds
when there is no demand.
ower does not exceed 3000 rpm during purge.
Combustion blower frequency has exceeded 60 Hz ( 3590 RPM)
Blocked condensate sensor reads less th
en 7kΩ for more than 5 minutes.
Blocked flue input has been enabled for
Flame Relay Wiring
Received a gas valve feedback
within 500ms of activating the f
output.
Flame Failure
Gas valve feedback has no power after 1 minute of enabling the Flame
relay output.
Gas Valve out of range
ve is enabled this alarm occurs if the gas actuator feedback
is greater or less then the demand by 10% for more than 90 seconds.
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