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Step 15 Optional: Extending the
power cable
1 Prepare the following tools.
Tools
Crimping pliers
Connection sleeve
(mm)
Width 19
Insulation tape
Contraction tube
(mm)
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
20
180
120
60
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.
Spec
Shape
MH-14
20xØ6.5
(HxOD)
mm
70xØ8.0
(LxOD)
(Unit: mm)
20
20
60
120
180
Pre-installed
tube for the
20
power cable
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.
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.
4 Using a crimping tool, compress the two points and
flip it over and compress another two points in the
same location.
The compression dimension should be 8.0.
After compressing it, pull both sides of the wire to
make sure it is firmly pressed.
Method 1
Compress it 4 times.
5 mm
Method 2
Connection sleeve
Compression
dimension
Method 2
Compress it 4 times.
5 mm
19
English
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