Question about Heating & Cooling
I need to know where to adjust the length of time that an Armstrong 4PHP13E36P-1A blower runs after the heating element shuts off. The unit blows cold air into the house after the heat stops, which cools the house, causing the thermostat to start the whole cycle again. This is clearly wasting energy and wearing out our unit prematurely.
There may be pins on the circuit board inside the air handler that you can adjust. First turn off the breaker then look inside at the board. They may say 30-45-60-90 etc. Put the pin on a lower number. Do you have a digital or programmable T-stat? There may be a setting in the T-stat setup program that allows for blower delay also. consult you installation instructions. Last if the blower isn't turning off at all then the relay on the circuit board is stuck closed and should be replaced.
Posted on Mar 10, 2009
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Posted on Jan 02, 2017
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