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Step four: connect the indoor and outdoor pipes
1. Remove the screw on the right-hand handle of
the outdoor unit and remove the handle.
3. Pre-tighten the union nut by hand.
2. Remove the screw cap of the valve and
position the pipe joint in the bellmouth of the pipe.
4. Tighten the union nut with the wrench
according to the following table.
Hex nut diameter
(Nm)
6.35
15 – 20
9.52
30 – 40
12.7
45 – 55
15.88
60 – 65
Step five: connect the outdoor electrical cable
1. Remove the wire clip. Connect the power cable and the signal control cable (only for cooling and
heating units) to the wiring terminal according to colour. Secure them with the screws.
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