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  1. #1
    Join Date
    Sep 2005
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    UK
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    evap fan speed control?



    there's plenty of info/talk about condenser fan speed control, inverter driven compressors etc..

    but I never see anything about evap fan control on commercial stuff?

    small split air con units are the only thing I can think of that controls evap fan speed


    I've been thinking about this for a while... as long as liquid and suction pressures are within range you could (pretty much) just use room temperature to control evap fan speed?

    evap capacity is pretty much just linked to air on temp

    so as room temp drops, why not increase fan speed?



  2. #2
    Join Date
    Sep 2009
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    Iran
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    Re: evap fan speed control?

    Hi
    I done it .

    It was confection ( gummi candy -- strach mold )room

    To dry it

    Evaporators Surface area about 4 times

    It has 2 Condenser one in the room and another one on the roof with actual capacity
    Room's Condenser ( to cover cooling comes from Evaporators) with temperature control's for using desuperheat

    Room temperature about 32 c

    Evaporators has speed control's for fans

    Room has extra circulation fan to remove humidity form gummi and strach molds

    In winter time we had heating system ( steam Coil )

    Also Compressor has a crankcase presuure control's to protect that .
    Last edited by mbc; 05-10-2022 at 07:14 AM.

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