No 28 Auto Wiring Correction of Multi-zone Units

There is an Automatic Wiring/Piping Correction function for multi-zone units, which is very convenient for the installers. Press the "check switch "on the outdoor unit PCB board 5 seconds until LED displays ”FA” then change to "CE", which means this function is working, About 5-10 minutes after the switch is pressed, the "CE" disappears. The wrong wiring/piping will be corrected, and wrong wiring/piping is properly connected.

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