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Installation Procedure
Step 15 Optional: Extending the power
cable
Prepare the following tools.
1
Tools
Crimping pliers
Connection sleeve
(mm)
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.
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.
• 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.
Power cable
20
180
120
60
20
20
24
English
Spec
Shape
MH-14
20xØ6.5
(HxOD)
Width 19
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
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 Apply heat to the contraction tube to contract it.
Method 1
Contraction tube
6 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.
7 After tube contraction work is completed, wrap it with the
insulation tape to finish.
Method 1
IInsulation tape
Method 2
Connection sleeve
Compression
dimension
Method 2
Compress it 4 times.
5 mm
Method 2
Contraction tube
Method 2
IInsulation tape
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