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I have an American Standard heat pump. My heat strips are automatically turning on immediately when the heat pump starts. It heats the house up very quickly, but with the strips turning on immediately it is defeating the purpose of the heat pump. My electrical meter runs very very fast as soon as the heat pump turns on. I know this is not how the heat pump is supposed to operate. I am using a lot more electricity than I should be using. Can you tell me how to solve this? Can I adjust something on the thermostat myself? Thanks.

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6ya6ya
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Posted on Jan 02, 2017

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mastatech
  • 478 Answers

SOURCE: Heat pump cycling on and off.

It sounds as if you you have a low charge of refrigerant, r22. When the unit comes on outside, the outdoor coils become the lowside, there is a low pressure switch that is tripping out contactor protecting the compressor.

Posted on Mar 11, 2009

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  • 1 Answer

SOURCE: Wiring Diagram for Ruud Heat Pump

Unfortunately, the wiring diagrams for heat pumps are not so easy to come up with. The outdoor unit will have its own diagram, but may not include the indoor air handler and will probably not include the thermostat. That said, the orange wire is commonly run from the thermostat to the reversing valve in the outdoor unit. This wire is usually not connected to the indoor airhandler. The orange wire is usually used in a unit that has the reversing valve energized in cool. Ruud, however has its reversing valve energized in heat. Probably not useful but maybe helpful
Mike

Posted on Mar 26, 2009

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