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  1. Replies
    39
    Views
    1,958

    I believe your stat is controlling a relay with a...

    I believe your stat is controlling a relay with a nc contract for cooling. left black relay. when stat ia made it will open relay contact shutting off ac. May have a stat not making up. Switch on...
  2. Replies
    3
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    907

    Wanting to learn

    Thanks Shophound
  3. Replies
    3
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    907

    Under for your interest, the topic,...

    Under for your interest, the topic, Troubleshooting The
    Refrigerent System With Superheat & Subcooling.
    It ststes under critical temperture differences.
    The low side superheat should...
  4. Thread: Ohms

    by pipe threader
    Replies
    8
    Views
    1,311

    ohms

    With the power off you measure ohms (res.) to tell if
    you have a complete circuit. Such as measuring a coil
    for an open or short or ground.
  5. Replies
    4
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    1,305

    silver brazing

    Thank You for your answer toolpusher and bwal2.
    I am not using it. I saw a vet. HVAC serviceman using
    it and was wondering if it would put moister in the syst
    em.

    ...
  6. Replies
    4
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    1,305

    Can you use 75% Argon 25% Co2 to purge ref lines...

    Can you use 75% Argon 25% Co2 to purge ref lines while silver brazing? This is the gas that mig welders use.
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