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    erjskashyap's Avatar
    erjskashyap Posts: 2, Reputation: 1
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    #1

    Mar 27, 2008, 04:27 AM
    Open & close loop
    What is the difference between open & close loop (chiller system):confused:
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Mar 27, 2008, 09:15 AM
    The answer is in the question. Open loop is just at it says. It uses a open tank/area to pump from. It is the opposite for closed as in enclosed not open.
    T-Top's Avatar
    T-Top Posts: 1,871, Reputation: 100
    Ultra Member
    		  
    #3

    Mar 27, 2008, 07:51 PM
    Geothermal heat pump or chiller system? If your saying geothermal heat pump (residential system). I would go closed loop,less amp draw with the pump.(closed loop pump around 1.2 amps per pump) A well pump will eat your savings plus with the open loop your system will have to be descaled every few years.
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