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Thread: RTH9580 Installation Assistance

  1. #1
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    RTH9580 Installation Assistance


    I am trying to install my new Honeywell RTH9580 however I have hooked all the wires up and I can make the Heat and Fan work but not the air conditioner it just says "Waiting for Equipment". If I turn the fan on first the air will eventually say "Air On" however it makes the heater turn on instead. There are additional wires from my old system that dont have spots in the Honeywell so I'm not sure exactly what I am doing wrong. Below is a picture of my old set up and wire hook up.

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  2. #2

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    When you setup the RTH9580 did you set it up as a heat pump?

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