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Installation Procedure
Connecting the power and communication
cables
CAUTION
• Always remember to connect the refrigerant pipes
before performing the electric connections.
When disconnecting the system, always disconnect
the electric cables before disconnecting the
refrigerant pipes.
CAUTION
• Always remember to connect the air conditioner to
the grounding system before performing the electric
connections.
The indoor unit is powered through the outdoor unit by
means of a H05RN-F connection cable (or a more power
model), with insulation in synthetic rubber and a jacket
in polychloroprene (neoprene), in accordance with the
requirements specified in the standard EN 60335-2-40.
1 Remove the screw on the electrical component box
and remove the cover plate.
2 Route the connection cord through the side of the
indoor unit and connect the cable to the terminals
refer to the figure below.
3 Route the other end of the cable to the outdoor unit
through the ceiling & the hole on the wall.
4 Reassemble the electrical component box cover,
carefully tightening the screw.
20
English
1 phase
For connecting the power and
communication cables
L1
L2
Indoor power
Main power cable
Indoor power supply
Power supply
Max/Min(V)
208 to 230V, 60 Hz
±10%
Communication cable
AC power: M4 screw
0.43 (11)
0.51 (13)
M3.5
0.8 to 1.2
M4
1.2 to 1.8
Wire insert
hole
Indoor unit
Outdoor unit
F1
F2
L1
L2
Communication
cable
Indoor power cable
3 wires
Unit: inch (mm)
Communication: M3.5 screw
0.30 (7.5) 0.35 (7.5)
Tightening torque
N·m
lbf.ft
0.59 to 0.89
0.89 to 1.1
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