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Installing indoor unit
Installing the connecting pipe
The flare end of the connecting pipe coincides with the flare
end connector of the corresponding valve.
Tighten the nut on the connecting pipe with strength and then
tighten it by spanner (as shown in right figure).
Note: Too great torque will damage the nut
Tightening torque is given as follows:
Hexagon nut(mm)
Distribution line connection
Remove the lifting handle on right-hand panel of the outdoor unit.
Remove the wire clip, connect and fix the Power connecting cord to terminals on the line bank,
and the wiring layout must be compatible with the indoor unit.
Use a wire clip to fix the power connecting cord for cooling &heating unit, the control line should
be fixed as well, and then connect the corresponding connectors.
Make sure wires have been fixed firmly.
Reassemble the lifting handle.
In case the power cord is not fitted with plug, the clearance between the electrodes of open
contact switch must not be less than 3 mm.
Note:
Wrong wiring connection will cause failure of some
electric components.
Do not pull the wires that are fixed by wire clip.
Do not connect the wires to outdoor unit with
excessive length allowance.
Loosen the screws, and remove the top cover.
Tightening torque (N. m)
Taping screw
Fig. 11-10
—89—
Connecting pipe nut Connector
Fig. 11-9
Brown
Signal control
Wire clamp
cable 2×0.75
For heat pump only
Torque spanner
Spanner
Blue
Yellow/green
Power
connection cord
Big handle
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