5.Electrical wiring
16
N
L3
L2
L1
Outdoor power
The indoor
power supply
Distribution box
Distribution box
Distribution box
Electrical connection mode of outdoor unit
Note: 1.When the signal line adopts a 2-core shielded wire, the shielding net should be connected to “E” of the
terminal; when a 3-core shielded wire, the shielding network must be connected to the ground.
2.
Never connect the power line (strong current) to the signal line (weak current) terminal. Otherwise, the
electronic controller will be burnt out.
5-2 Terminal Function Description
380~415V 3N 50&60Hz
P
Indoor unit
Indoor unit
Communication centralized
controller
Y
E
X
Q
E
Switch
Fuse
Outdoor Display Board
L
1
L
2 L
3
Indoor unit centralized
controller power supply
Outdoor unit
Indoor unit centralized
controller(optional)
Please use the shielded wire,
and the shielding layer grounding
Indoor unit
Indoor unit
Indoor unit
Switch
Fuse
Fuse
Fuse
V.1