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    R22 pump recirculation system with 2 Evaporating temperature



    Hello everybody,
    The IQF is -40 C ET, and the storage room is -31C ET with -25C room temperature. They share one liquid and wet suctoin line. Could I just let them share one same ET -40C. I think this will not cause any problems. The room doesn't have any humidity requirements. Do I need to add one back pressure valve in the -31C evaporators' outlet and is practical to add the suction pressure valve in the wet return line?


    Thanks in advance!!
    Jerrycool
    Last edited by JERRYCOOL; 26-12-2008 at 02:36 AM.



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