Innova IGZDUP35V2NI-1 Owner's Manual page 41

Install a circuit breaker near the outdoor units with at least 3mm contact gap.
②.
The units must be able to be plugged or unplugged.
Circuit breaker and power cord specifications listed in the above table are
③.
determined based on the maximum power input of the units.
Supply cords of parts of appliances for outdoor use shall not be lighter than
④.
polychloroprene sheathed flexible cord (code designation 60245 IEC 57).
Specifications of circuit breaker are based on a working condition where the
⑤.
working temperature is 40°C. If working condition changes, please adjust the
specifications according to national standards.
Adopt 1.0mm² power cords between indoor and outdoor units. The maximum
⑥.
length of 35-85 units is 30m and the maximum length of 100-160 units is 75m.
Please select a proper length according to local conditions. To be in
compliance EN 55014, it is necessary to use 8 meters long wire.
Adopt 2pc of 0.75mm² power cords to be the communication cords between
⑦.
wired controller 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 EN 55014, it is necessary to use 8
meters long wire.
The wire gauge of communication cord should not be less than 0.75mm². It's
⑧.
recommended to use 0.75mm² power cords as the communication cords.
It's required to adopt the shielded wire for the communication cable between
⑨.
the indoor unit and the centralized controller; when connection is finished, the
shielding layer should be reliably grounded.
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.
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