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Freeze Pump, Freeze Protection Pump

Good Morning,



I'm trying to find a piping diagram for a freeze protection pump for a chilled water coil.

I've never specified a freeze protection pump before because all the chilled water systems I've been involved with have used a water/glycol mix. Glycol is not an option for this project because the unit is being installed in a building owned by the Veteran's Administration which has a mandate against glycol due to reduced heat transfer efficiency.



I would appreciate any help.



Thanks,

Eric
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Comments

  • Braedan51Braedan51 Posts: 2Member
    Piping diagram

    This is what i've come up w/ based on a few sequences of operation that I've found...

    If anyone with a bit more knowledge could review it I'd be grateful.
    pdf
    pdf
    FREEZE PUMP PIPING DIAGRAM.pdf
    0B
    ·
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