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Type: Posts; User: Tremblay

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  1. I don't think that 3 phases motor requires...

    I don't think that 3 phases motor requires capacitors for run and start. So it must be single phase motor.
  2. Is it possible that the motor is cycling a lot in...

    Is it possible that the motor is cycling a lot in an hour? A leaking solenoid might cause an over cycling of the motor who eventually will be hot.

    It could be a cycling cause from a High to low...
  3. Thread: Super heat

    by Tremblay
    Replies
    13
    Views
    1,376

    The problem with Superheat is that you can only...

    The problem with Superheat is that you can only get a range. As technician we tend to have a fix value but there are too many variables: TD, liquid temperature, evaporator's dynamic.

    So a...
  4. Replies
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    1,090

    Oil problem on a rack is never simple. First, a...

    Oil problem on a rack is never simple. First, a lack of oil in all compressors shows that there is oil trap in the system. If the situation happen once in a while, it could be just before a defrost...
  5. Replies
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    809

    Is the bubbling only on the heads? What does the...

    Is the bubbling only on the heads? What does the air ambient look like? Could be a vinegar or acidic environment.
  6. Replies
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    1,036

    Thanks for the reply so we can learn. ALthough,...

    Thanks for the reply so we can learn. ALthough, I'm concern with the short cycling. Since you are saying that room temperature was obtain? I guess it was short cycling on the next start up? Is it...
  7. Replies
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    783

    I agree with JPSmith, somethings is wrong with...

    I agree with JPSmith, somethings is wrong with the condenser... Normally a high Subcooling value shows too much liquid in the condenser and/or non condense gas. Also, is it possible that the...
  8. Thread: Super heat

    by Tremblay
    Replies
    13
    Views
    1,376

    For med temp. 6 to 8 Degree of superheat as a...

    For med temp. 6 to 8 Degree of superheat as a general rule. OEM sometimes publish a value. :grin2:
  9. Replies
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    1,036

    Is it really superheat that matter? You obtain...

    Is it really superheat that matter? You obtain temperature but it start to short cycle. Are you using a solenoid pump down or a pressure control only for the room set point?

    1- PD solenoide with...
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