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My Kaysun / Midea KPDxxHN4 AC unit does not operate properly

You need an XYE ON interface supplied by Kaysun / Midea for a Kaysun / Midea KPDxxHN4 AC unit. Connect this interface to the indoor unit's CN20 connector.

You can consult the AC unit compatibility list at the following link link.

You can also consult the Kaysun / Midea gateway's technical fact sheet at the following link ( Kaysun / Midea / Midea Communication Gateway - Product Data Sheet ).
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