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  1. #1
    Join Date
    Jun 2011
    Posts
    4
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    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, NY
    Posts
    7,987
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    Maybe you have a flow issue!

  3. #3
    Join Date
    Jul 2003
    Location
    Orange County N.Y.
    Posts
    1,177
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    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
    11,444
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    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.
    Building Physics Rule #1: Hot flows to cold.


    Building Physics Rule #2:
    Higher air pressure moves toward lower air pressure


    Building Physics Rule #3:
    Higher moisture concentration moves toward lower moisture concentration.

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