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  1. #1
    Join Date
    Jan 2010
    Location
    Vermont
    Posts
    15

    Charging water source heat pump via sh

    Hey guys,

    I'm not one who works on WS heat pumps often, but I've been assigned a hotel that has a load of them. Anyway getting down to the question. It's an old McQuay unit (1988). I'm just looking to top of the unit I'm currently working on, that uses a R-22. In the shop they've got access to the loop. The temp usually sticks to 72.

    Should I choke the supply line to stimulate a 95 degree water coil condenser? But at the same time I've heard that 85 degrees is ideal for the heat pump loop with no more than a 10 degree diff. Any info could save me a bunch. Thanks in advanced. I can post some psi if you guys need.

  2. #2
    Join Date
    Sep 2008
    Location
    Western PA
    Posts
    25,563

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