Gree U-match Série Manuel De L'utilisateur page 44

DC Inverter U-match Series Cassette Type Unit
the working temperature is 40℃. 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 EN 55014, 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
EN 55014, it is necessary to use 7.5 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 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).
A Solid wire
Insulation layer
40
B Strand wire
Solderless
terminal