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Notice
Precautions in electrical wiring
1)The power supplies for indoor unit and outdoor units shall be separately designed.
2)The power supply must be designed with special branch circuit, and equipped with current leakage
protector and manual switch.
3)The indoor unit power supply in the same system must be in the same circuit and switched on or off
at the same time, each indoor unit cannot mounted power switch.
4)The indoor and outdoor connecting and wiring system shall be included in the same system with the
refrigerant pipe system.
5)To reduce the interference, the indoor and outdoor signal line shall be the 3-core shielded cable
other than unshielded multi-core cable.
6)Electrical wiring shall be performed according to national related standards.
7)Electrical wiring must be done by a professional electrician.
5-1 Outdoor unit power supply wiring
Power
Phase
Out door
Voltage and frequency
Power
Power wire(
Breaker/fuse(A)
Indoor unit/outdoor unit signal
m
wire(
㎡) (weakness electric signal wire)
Power supply
Switch / fuse
Power line
Outdoor unit
Outdoor
unit
Central controller
Signal wire
CCM
5.Electrical wiring
125/140/160/180
3 phases
380~415V 50&60Hz
m
5X2.5
㎡)
25
3 cores shield wire 3X1.0
Power supply
Switch / fuse
Power line
Indoor unit
Indoor
Indoor
unit
unit
200/224/260
3 phases
3 phases
3 phases
380~415V 50&60Hz
380~415V 50&60Hz
5X6
5X6
30
30
Distribution box
Indoor
unit
16
280
335
3 phases
380~415V 50&60Hz
5X6
5X6
40
40
(2 cores shield wire 2X1.0)
The user can buy
centralized controller
as shown in the dashed
box. Specific installation
methods, please contact
your local supplier.
V.2
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