Pioneer WYS020GMHI22M2 Air Conditioner Multi Split Heat Pump

Service Manual - Page 52

For WYS020GMHI22M2. Also, The document are for others Pioneer models: YN020GMFI22M2D, YN030GMFI22M3D, YN040GMFI22M4D, YN050GMFI22M5D

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WYS020GMHI22M2 photo
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Remark:
Use a multimeter to test the DC
voltage between black pin and
white pin of signal wire The normal
value should be around 5V.
Use a multimeter to test the DC
voltage between black pin and red
pin of signal wire. The normal value
should be around 12V.
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