Question about Intertherm P3RA-060K Air Conditioner

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Intertherm central unit heating side not working right

When I turn on my heat the green light on the thermostat comes on and the unit cuts on but the air is barley warm and then after 45 minutes or so the green light goes out and the air is cold coming out....not sure if the heater coils are not coming on or what?

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  • kountry_boy_ Jan 30, 2009

    I dont see any ice. It has a emergency heat on it but when I flip it over to it there doesnt seem to be any difference. When I flip it over to that after the green light goes out all you feel is cold air.

  • kountry_boy_ Jan 30, 2009

    I dont see any ice. It has an emergency heat but when I flip it over to that it doesnt seem to make any difference. After the green light goes out and I flip it all you feel is cold air.

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I am assuming this is a heat pump? (Typical when the t-stat has a green light.).

Please confirm

If a heat pump, is the outdoor unit frozen up? There can be some frosting, but it should not be a block of ice.

If there is an emergency heat switch on the t-stat, can you flip that to emergency heat? Do you get heat then?

Pleas advise and I can help you troubleshoot this problem further.

Posted on Jan 30, 2009

  • Mark Egan Jan 30, 2009

    OK. We've got some troubleshooting to do.

    First of all, how comfortable are you in working with and troubleshooting electrical circuits?

    If your good to go with it, then turn off the power to the furnace, and gain access to the controls. Locate any fuses in the control panel. Remove and test each one. Replace any that are failed (and be prepared to replace them n the event there are short circuits inside the furnace.).

    Let me know what you find, and do not power anything up before we talk again.



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