17
English
Installation Procedure
Outdoor-to-indoor power and communication
cables specifications
Indoor power supply
Power supply Max/Min (V) Indoor power cable
1ø, 220-240V, 50 Hz ±10%
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3 wires
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Communication cable
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• 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, use the double shielded (tape
aluminium / polyester braid + copper ) cable of
FROHH2R type or LiYCY.
Step 5 Optional: Extending the power
cable
1 Prepare the following tools.
Tools Spec Shape
Crimping pliers MH-14
Connection sleeve
(mm)
20 x Ø6.5 (H x OD)
Insulation tape Width 19 mm
Contraction tube
(mm)
70 x Ø8.0 (L x OD)
2 As shown in the figure, peel off the shields from the
rubber and wire of the power cable.
• Peel off 20 mm of cable shields from the pre-
installed tube.
Power cable
(Unit: mm)
20 20 20
60
120
180
180
120
60
20 20 20
Pre-installe
d tube for
the power
cable
CAUTION
• For information about the power cable specifications
for indoor and outdoor units, refer to the installation
manual.
• After peeling off cable wires from the pre-installed
tube, insert a contraction tube.
3 Insert both sides of core wire of the power cable into the
connection sleeve.
• Method 1: Push the core wire into the sleeve from
both sides.
• Method 2: Twist the wire cores together and push it
into the sleeve.
Connection sleeve Connection sleeve
Method 1 Method 2
CAUTION
• If cable wires are connected without using connecting
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.
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