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Thread: Fan speed control
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01-04-2020, 10:13 PM #1
Fan speed control
Hi friends,
As you know some companies such as SAGINOMIA or JOHNSON CONTROLS or …. Have a products called "Fan speed control" that they decrease velocity of condenser fan while discharge pressure decreases.
I have a question, Do these products for decreasing velocity of fan decreases input voltage of fan or frequency ?
Thanks.