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Step 2.2 Optional: Extending the
power cable
1. Prepare a compressor and the following
tools.
Tools
Spec
Crimping
MH-14
pliers
Connection
20xØ7.0
sleeve (mm)
(HxOD)
Insulation
Width 19
tape
mm
Contraction
70xØ8.0
tube (mm)
(LxOD)
2. As shown in the figure, peel off the shields
from the rubber or wire of the power cable.
• Peel off 20 mm of the wire shields of the tube
installed already.
CAUTION
• For information about the power cable
specifications for indoor and outdoor units, refer
to the installation manual.
• After peeling off the tube wire, you must insert a
contraction tube.
Power cable
20
Wire tube power cable
(Unit: mm)
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
Shape
20
20
60
120
180
(Unit: mm)
Method 2
Connection sleeve
4. Using a compressor, 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.
A total of three or more layers of insulation is 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 have the same level of withstand
voltage with the power cable. (Comply with the
local regulations on extensions.)
Compression
dimension
Method 2
Compress it 4 times
5 mm
Method 2
Insulation tape
35 mm
Insulation tape
English
37
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