Question about Intertherm Air Conditioners
Make sure fan relay is wired correctly (G) wire. Ensure the fan on therm is not on, it should be on Auto or off.
If your furnace is short cycling because it has to keep heating your home, the delay in the control board may be staying on to compensate for the exchangers getting hot. If it heats normally, then put your attention to your thermostat.
Set the heating system on aux heat only. Fan should not be on, if it does stay on after a heating cycle, see if the furnace is heating normally, and reaching temp as desired before the heat comes off. Then check the therm wiring, pull the face of the therm, disconnect green wire (fan) and try the heating again.
Posted on Dec 06, 2008
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