Step 2.4 Optional: Extending the power cable
1Prepare the following tools.
Tools | Spec | Shape |
Crimping pliers |
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Connection | 20xØ7.0 |
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sleeve (mm) | (HxOD) |
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Insulation tape | Width 18 |
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mm |
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Contraction tube | 50xØ8.0 |
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(mm) | (LxOD) |
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2As 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 from the preinstalled tube.
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
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| 20 |
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| 60 |
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| 120 |
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| 180 |
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•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.
Method 1 | Method 2 |
Compress it 4 times. | Compress it 4 times. |
5 mm | 5 mm |
5Wrap 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 |
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Insulation tape |
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40 mm |
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| 35 mm |
6Apply heat to the contraction tube to contract it.
Contraction tube
20
(Unit: mm)
7After tube contraction work is completed, wrap it with the insulation tape to finish.
Installation
3Insert 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 | Method 2 | ||
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Connection sleeve | Connection sleeve | ||
4Using a crimping tool, compress the two points and flip it over and compress another two points in the same location.
Insulation tape
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.)
40English