39
English
Ins
tallation
Step 2.4 Optional: Extending the
power cable
1
Prepare a compressor and the following tools.
Tools
Spec
Shape
Crimping pliers
MH-14
Connection sleeve
(mm)
20xØ7.0
(HxOD)
Insulation tape
Width 18
mm
Contraction tube
(mm)
50xØ8.0
(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
Wire tube power cable
(Unit: mm)
(Unit: mm)
20
20
20
20
60
120
180
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.
Connection sleeve
Connection sleeve
Method 1
Method 2
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.
Compression
dimension
•
After compressing it, pull both sides of the wire to
make sure it is firmly pressed.
Compress it 4 times.
5 mm
Compress it 4 times.
5 mm
Method 1
Method 2
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
Method 2
Insulation tape
40 mm
35 mm
Insulation tape
Contraction tube
6
Apply heat to the contraction tube to contract it.
7
After tube contraction work is completed, wrap it with
the insulation tape to finish.
•
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.)
Insulation tape
DB68-06039A-00.indd 39
5/25/2016 7:08:52 PM