Heating mode -Compressor not coming on

Discussion in 'HVAC' started by bwest10, Oct 27, 2013.

  1. Oct 27, 2013 #1

    bwest10

    bwest10

    bwest10

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    I have a Bryant Zone Perfect Plus system. I just tried to turn the heat on for the first time since moving into house I purchased.

    First of all the system is working fine in cooling mode. When I switch to heating the condensers compressor and fan do not come on. The fan inside the house stays on but just blows out neutral air.

    Does anyone have an idea as to what could be causing the compressor to not come on.
     
  2. Oct 27, 2013 #2

    kok328

    kok328

    kok328

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    While there are many things that could be causing this problem, I would start with troubleshooting the thermostat. Make sure it is 'heat pump' compatible and is wired correctly. From there, you will need to get out your volt/ohm meter and start checking for voltage on the reversing valve and compressor contactor.
     

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