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Installation Procedure
Step 11 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. Use a crimp ring terminal at the end of each
wire.
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.
4 Reassemble the electrical component box cover, carefully
tightening the screw.
Indoor Unit
1(L) 2(N) F1
Outdoor Unit
1(L) 2(N)
Main power cable
Indoor Power
14
English
F2
L
N
F1
F2
Cable
tie
Cable clamp
Communication cable
Indoor power supply
Power supply
Max/Min(V)
±10%
208 to 230V, 60 Hz
Communication cable
AC power, Communication : M4 screw
1(L) 2(N) F1
0.45(11.4)
Tightening torque lbf·ft (kgf • cm)
M3.5
M4
• Power supply cords of parts of appliances for outdoor use
shall not be lighter than polychloroprene sheathed flexible
cord. (Code designation IEC:60245 IEC 57 / CENELEC:
H05RN-F)
• Screws on terminal block must not be unscrewed with the
torque less than 0.87 ft•lb ( 12 kgf•cm ).
• Since it has the external power supply, refer to the outdoor
unit installation manual for MAIN POWER.
CAUTION
• When installing the indoor unit in a computer room or
network room, use the double shielded communication cable
(tape aluminum / polyester braid + copper) of FROHH2R type.
Indoor power cable
2
3 wires
2
Unit:inch(mm)
F2
0.40(10.1)
0.58 to 0.87 (8.0 to 12.0)
0.87 to 1.30 (12.0 to 18.0)
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