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Indoor Unit Installation
Step 2.4 Optional: Extending the
power cable
1
Prepare the following tools.
Tools
Crimping pliers
Connection sleeve
20xØ7.0 (HxOD)
(mm)
Insulation tape
Width 18 mm
Contraction tube
50xØ8.0 (LxOD)
(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.
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.
Power cable
20
Pre-installed tube for the power cable
20
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
10 English
Spec
Shape
MH-14
20
20
60
120
180
(Unit: mm)
(Unit: mm)
Method 2
Connection sleeve
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
5
Wrap it with the insulation tape twice or more and
position your contraction tube in the middle of the
insulation tape.
Three or more layers of insulation are required.
Method 1
Insulation tape
40 mm
6
Apply heat to the contraction tube to contract it.
Contraction tube
7
After tube contraction work is completed, wrap it with
the insulation tape to finish.
CAUTION
• Make sure that the connection parts are not exposed
to outside.
• Be sure to use insulation tape and a contraction tube
made of approved reinforced insulating materials that
Compression
dimension
Method 2
Compress it 4 times
5 mm
Method 2
Insulation tape
35 mm
Insulation tape
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