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The wire gauge of communication cord should not be less than
⑧
0.75mm². It's recommended to use 0.75mm² power cords as the
communication cords.
It's required to adopt the shielded wire for the communication cable
⑨
between the indoor unit and the centralized controller; when
connection is finished, the shielding layer should be reliably grounded.
Centralized controllers are optionally available to customers.
2.3.3 Connection of Power Cord and Communication Cord
(1)
For solid wires (as shown below):
1)
Use wire cutters to cut off the wire end and then peel away about
25mm of the insulation layer.
2)
Use a screwdriver to unscrew the terminal screw on the terminal
board.
3)
Use nippers to bend the solid wire into a ring that fits the terminal
screw.
4)
Form a proper ring and then put it on the terminal board. Use a
screwdriver to tighten up the terminal screw.
(2)
For strand wires (as shown below):
1)
Use wire cutters to cut off the wire end and then peel away about
10mm of the insulation layer.
2)
Use a screwdriver to unscrew the terminal screw on the terminal
board.
3)
Use a round terminal fastener or clamp to fix the round terminal
firmly on the peeled wire end.
4)
Locate the round terminal conduit. Use a screwdriver to replace it
and tighten up the terminal screw (as shown below).
DC Inverter U-match Series Cassette Type Unit
39
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