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  1. #1

    Carrier 19XR858750SEP Tripping on Condenser Water Temp/Flow

    Whenever the CDW in gets to 82 deg F the chiller gets very touchy, if temp changes are made its likely to trip. All the flows look good. I know CDW in should be OK at 85 to 90 but it won't do it. Any help?

  2. #2
    Join Date
    Aug 2002
    Location
    Southold.calm
    Posts
    4,856
    Maybe you have a flow issue!

  3. #3
    Join Date
    Jul 2003
    Location
    Orange County N.Y.
    Posts
    1,176
    Quote Originally Posted by TPmaker View Post
    Whenever the CDW in gets to 82 deg F the chiller gets very touchy, if temp changes are made its likely to trip. All the flows look good. I know CDW in should be OK at 85 to 90 but it won't do it. Any help?
    More information is needed to diagnose. Put up a full set of readings and someone will be able to help with the diagnosis.
    Roof Rat

  4. #4
    Join Date
    Aug 2003
    Location
    Fort Worth, TX
    Posts
    11,086
    Clean the cooling tower sumps and condenser pump strainers if you're having flow issues. If your 19XR uses pressure transducers to measure water flow, blow out the pipes on those in case debris is clogging them. The transducers can also go bad, sometimes intermittently.
    • Electricity makes refrigeration happen.
    • Refrigeration makes the HVAC psychrometric process happen.
    • HVAC pyschrometrics is what makes indoor human comfort happen...IF the ducts AND the building envelope cooperate.


    A building is NOT beautiful unless it is also comfortable.

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