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  1. #1
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    Apr 2007
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    Carrier 30RAN022-S-5110 Chiller Isolation

    Does anyone know if this chiller has internal isolation valves or a pump on the chilled water side? Model # 30RAN022-S-5110
    For some reason when I start the chiller the water flow jumps up

  2. #2
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    Jul 2003
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    Orange County N.Y.
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    Quote Originally Posted by CascadeControl View Post
    Does anyone know if this chiller has internal isolation valves or a pump on the chilled water side? Model # 30RAN022-S-5110
    For some reason when I start the chiller the water flow jumps up
    The easiest way to find out is to open the panel where the chilled water pipes enter/exit. If there is a grey box inside, you probably have a pump there. Or even easier, look for the pump contactor in the electric panel, it will have a sticker on it saying something like "PMP", or similar.

    ...Ron
    Roof Rat

  3. #3
    Join Date
    Feb 2007
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    Quote Originally Posted by CascadeControl View Post
    Does anyone know if this chiller has internal isolation valves or a pump on the chilled water side? Model # 30RAN022-S-5110
    For some reason when I start the chiller the water flow jumps up

    PUMP, that is how I have seen the Aquasnap's maybe a carrier guy can confirm this.
    If it doesn't go easy, you are not using a big enough hammer.

  4. #4
    Join Date
    Jul 2003
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    Orange County N.Y.
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    Quote Originally Posted by HVACJOEK View Post
    PUMP, that is how I have seen the Aquasnap's maybe a carrier guy can confirm this.
    They can be optioned with a 1 or 2 pump package, or without. The installation/startup book will have the information as to what it came with by the model nomenclature. If you don't have the manual it can be downloaded off of the Carrier Commercial site.

    ...Ron
    Roof Rat

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