Willis WST12MC16S - Page 25

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4. Put wiring cover back and then tighten the screw.
5. Close the panel.
Installation of indoor unit
Note:
Ɣ All wires of indoor unit and outdoor unit should be connected by a professional.
for a new one. Avoid extending the wire by yourself.
installation.
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The circuit break should be all-pole parting and the contact parting distance
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with wire clip.
N(1) 2 3
blue brownblack
yellow-green
(green)
Outdoor unit connection
power connection
wire
cable-cross
hole
2. Make the power connection wire go
through the cable-cross hole at the back
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the front side.
Wiring Cover