DC Inverter U-Match Series Cassette Type Unit
37
plugged or unplugged.
③ Circuit breaker and power cord specifications listed in the above table are
determined based on the maximum power input of the units.
④ Supply cords of parts of appliances for outdoor use shall not be lighter than
polychloroprene sheathed flexible cord (code designation 60245 IEC 57).
⑤ Specifications of circuit breaker are based on a working condition where
the working temperature is 40°C. If working condition changes, please
adjust the specifications according to national standards.
⑥ Adopt 2pc of 0.75mm² power cords to be the communication cords
between indoor and outdoor units. The maximum length is 100m. Please
select a proper length according to local conditions. Communication cords
must not be twisted together. To be in compliance IOS5151, it is necessary
to use 8 meters long wire.
⑦ Adopt 2pc of 0.75mm² power cords to be the communication cords
between wired control and indoor unit. The maximum length is 30m.
Please select a proper length according to local conditions.
Communication cords must not be twisted together. To be in compliance
IOS5151, it is necessary to use 8 meters long wire.
⑧ The wire gauge of communication cord should not be less than 0.75mm².
It’s recommended to use 0.75mm² power cords as the communication
cords.
3.3.3 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
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