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Outdoor-to-indoor power and communication
cables specifications
Indoor power supply
Power supply
Max/Min (V)
1ø, 220-240V, 50 Hz
±10%
Communication cable
•
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
Crimping pliers
MH-14
Connection sleeve
20 x Ø6.5 (H x OD)
(mm)
Insulation tape
Width 19 mm
Contraction tube
70 x Ø8.0 (L x OD)
(mm)
2
Indoor power cable
3 wires
•
•
3
Shape
•
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
20
180
180
120
60
20
20
20
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.
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.
Method 1
Connection sleeve
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.
(Unit: mm)
20
20
60
120
Pre-installe
d tube for
the power
cable
Method 2
Connection sleeve
English
17
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