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Thread: Site Glass

  1. #1

    Site Glass

    I installed a 5 ton water to water heat pump..
    Told by manufacturer that it holds 68 oz, of 410.
    Emptied it,put vacuum to it and filled it with 68 oz.(weighed the tank).
    Its heating great but only for 30-45 minutes it shuts down.
    When running there is nothing visible in the sight glass;no liquid,no bubbles nothing....
    Should there be liquid visible ,if so,what should it look like?
    thanks,
    tony

  2. #2
    Join Date
    Jan 2010
    Posts
    6,232
    If the glass is full when you view it , it could be hard to tell. Is there a liquid line solenoid on it ?

  3. #3
    Join Date
    Dec 2002
    Location
    SouthEast NC ICW & Piedmont Foothills
    Posts
    7,635
    a site glass is not a charging tool

    not to mention: New Member Introduction and Site Rules wrong forum
    It`s better to be silent and thought the fool; than speak and remove all doubt.

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