36
Installation and Maintenance
Service Manual
outlet
pipe
drain hos
Outlet pipe
Insulating pipe
Drain hose
(1) Add insulating pipe in the indoor drain hose in order to
prevent condensation.
(2) The plastic expansion particles are not provided.
(As show in Fig.10)
Fig.8 Fig.9
Fig.10
6. Install Drain Hose
(1) Connect the drain hose to the outlet pipe of indoor unit.(As
show in Fig.8)
(2) Bind the joint with tape.(As show in Fig.9)
Note:
panel
7. Connect Wire of Indoor Unit
(1) Open the panel, remove the screw on the wiring cover and
then take down the cover.(As show in Fig.11)
Fig.11
power connection
wire
cable-cross
hole
(2) Make the power connection wire go through the cable-cross
hole at the back of indoor unit and then pull it out from the front
side.(As show in Fig.12)
Fig.12
(3) Remove the wire clip; connect the power connection wiresignal
control wire (only for cooling and heating unit) to the wiring
terminal according to the color; tighten the screw and then x the
power connection wire with wire clip.(As show in Fig.13)
23
Outdoor unit connection
N(1)
yellow-
green
blue blackbrown
Fig.13
Note: The wiring connect is for reference only, please refer to
the actual one.
(4) Put wiring cover back and then tighten the screw.
(5) Close the panel.
(1) All wires of indoor unit and outdoor unit should be connected
by a professional.
(2) If the length of power connection wire is insufficient, please
contact the supplier for a new one. Avoid extending the wire by
yourself.
(3) For the air conditioner with plug, the plug should be reachable
after nishing installation.
(4) For the air conditioner without plug, an air switch must be
installed in the line. The air switch should be all-pole parting and
the contact parting distance should be more than 3mm.
(5) When installing the unit for after-sales service, please remove
the cable cross plate at first, fix the pipeline at the cable cross
plate, and then x the cable cross plate.
Note:
Piping size Tightening torque(N
.
m)
1/4” 15~20
3/8” 30~40
1/2” 45~55
5/8” 60~65
3/4” 70~75
Refer to the following table for wrench moment of force
:
5. Connect the Pipe of Indoor Unit
(1) Aim the pipe joint at the corresponding bellmouth.(As show in
Fig.5)
(2) Pretightening the union nut with hand.
(3) Adjust the torque force by referring to the following sheet.
Place the open-end wrench on the pipe joint and place the
torque wrench on the union nut. Tighten the union nut with torque
wrench.(As show in Fig.6)
(4) Wrap the indoor pipe and joint of connection pipe with
insulating pipe, and then wrap it with tape.(As show in Fig.7)
h
wrench
Pipe
Union nut
Union nutPipe joint
Pipe
Fig.5 Fig.6
Fig.7
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