5.Electrical wiring
15
Power supply
Switch / fuse
Power line
Outdoor unit
Power supply
Switch / fuse
Power line
Indoor unit
Distribution box
Outdoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
The user can buy
centralized controller as
shown in the dashed
box. Specific installation
methods, please contact
your local supplier.
Signal wire
Central controller
CCM
5-1 Outdoor unit power supply wiring
Power
260
280
335
Out door
Power
Phase
3 phases
3 phases
3 phases
Voltage and frequency
380~415V 50&60Hz
380~415V 50&60Hz
380~415V 50&60Hz
Power wire(
m
㎡
)
5X6
5X6
5X6
Breaker/fuse(A)
30
40
40
Indoor unit/outdoor unit signal
wire(
m
㎡
) (weakness electric signal wire)
3 cores shield wire 3X1.0
2 cores shield wire 2X1.0
Central controller
CCM
Computer
!
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.
V.1
