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  1. #1
    Join Date
    Aug 2005
    Posts
    28
    Post Likes
    outdoor unit power coming low voltage also coming when i put jumper RY unit run then i changed thermostate but same problem

  2. #2
    Join Date
    Jul 2006
    Posts
    40
    Post Likes
    how low is the votage coming in, it sounds like if you jump ry your unit should start, but if it doesn't start w/out the jumper it sounds like it may not be wired properly or you have a component stopping the voltage from getting to y. Check your pressure switches, time delay, etc.

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