Question about Whirlwind FH-778 Air Conditioner
Our central heating unit will come on and then shut off within a minute. We changed the thermostat inside the house and no luck- any ideas?
If it shuts down completely, it is probably a safety device. Doubt if it's the t'stat. This sounds like something is overheating and the safety is shutting down the unit. The safety could be the fan delay/limit switch. Also, there are usually several "Thermal Disc" type safety devices located near and around the heat exchanger. These can go bad. In other words, they can "Trip" at a temperature lower than the rated temp the devices is supposed to trip.
I would look here for you problem. Good Luck
Posted on Feb 21, 2009
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Posted on Jan 02, 2017
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