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Outdoor-to-indoor power and communication
cables specifications
Indoor power supply
Power supply
Max/Min (V)
1Φ, 220-240V, 50 Hz
±10%
Communication cable
0.75 to 1.5 mm², 2 wires
• 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 or IEC:60245 IEC 66 / CENELEC:
H07RN-F)
• When installing the indoor unit in a computer room or
net work room, server room or in the presence of risk
of disturbance to the communication cable, use the
double shielded (tape aluminium / polyester braid +
copper ) cable of FROHH2R type.
Step 5 Optional: Extending the power
cable
1 Prepare the following tools.
Indoor power cable
1.5 mm² ↑ , 3 wires
2 As shown in the figure, peel off the shields from the
• For information about the power cable specifications
• After peeling off cable wires from the pre-installed
• If cable wires are connected without using connecting
Tools
Spec
Crimping pliers
MH-14
Connection sleeve
20xØ6.5
(mm)
(HxOD)
Width 19
Insulation tape
mm
Contraction tube
70xØ8.0
(mm)
(LxOD)
rubber and wire of the power cable.
• Peel off 20 mm of cable shields from the pre-
installed tube.
CAUTION
for indoor and outdoor units, refer to the installation
manual.
tube, insert a contraction tube.
sleeves, their contact area becomes reduced, or
corrosion develops on the outer surfaces of the wires
(copper wires) over a long time. This may cause an
increase of resistance (reduction of passing current)
and consequently may result in a fire.
Power cable
20
180
180
120
60
20
20
20
Shape
(Unit: mm)
20
20
60
120
Pre-installed
tube for the
power cable
17
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