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Thread: GHL Profilux - Chiller control

  1. #1
    Join Date
    05.03.2013
    Posts
    2

    Default GHL Profilux - Chiller control

    I am using GHL Profilux 3.1N. It is being used with temperature probe to control a chiller.

    I would like to turn off the chiller at 25.0C and turn on it at 26.0C.

    The setting of my Profilux is:

    Nominal value: 24.0C
    hysteresis: 2.0C
    cooling difference: 0.0C

    Is the setting correct ?

    I found that the chiller was turned on at 25.2C and turned off at 25.0C. It was on and off frequently.
    How to solve it ?

    Many thanks !

  2. #2
    Join Date
    05.03.2013
    Posts
    2

    Default

    Anybody can help me ?

  3. #3
    Join Date
    19.02.2009
    Posts
    2,976

    Default

    Hello,

    with your settings, the chiller should turn on at ca. 25,7 °C and turn off at ca. 25 °C.
    If you like to start the cooling at 26 °C, you would have to increase the hysteresis, but 2 is already the maximum.

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