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What will happen if id fan on boiler not functioning?.Can the
Boiler run without id fan? What is the effect?
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Answer Posted / vellaisamy
if ID FAN ON BOILER NOT FUNCTIONING, FURNACE PRESSURE WILL RAISE AND BYPASS DAMPER WILL OPEN IMMEDIATELY ASPER THE BOILER'S SAFETY INTERLOCK EXECUTION.SO THAT, THE BOILER WILL BE SAFE, WHERE AS BOILER EFFICIENCY WILL BE LOW BECAUSE OF NO HEAT EXCHANGING IN THE COMBUSTION AIR AND FURNACE DRAFT ALSO WILL NOT PERFECT.HENCE BOILER CAN RUN WITHOUT ID FAN WITH LOW LOAD.
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