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  1. Thread: Low voltage

    by Oysterman
    Replies
    9
    Views
    1,286

    Low voltage

    As it turns out the thermostat was faulty. It energized the solenoid but not enough for current to flow when a load was placed on it.

    Thanks for the input!
  2. Thread: Low voltage

    by Oysterman
    Replies
    9
    Views
    1,286

    Low voltage

    Yes! You are right that I wired the new thermostat up wrong. It is a Honeywell Pro 5000 and I should have kicked myself for not looking at the new wiring diagram first. I have checked all of my low...
  3. Thread: Low voltage

    by Oysterman
    Replies
    9
    Views
    1,286

    Low voltage

    I blew a 5 amp fuse on 24 volt transformer in air handler on trane heat pump, installing new thermostat. That caused a low voltage problem at the solenoid on the reverse valve. I have 27 volts at...
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