5 Electrical Wiring
5.1 Outdoor unit wiring
Power (kW)
10
Single-phase
14/16
Three-phase
If needed, the user can purchase a centralized controller, as shown in the dashed box. For the specific method of installation, please
contact your local supplier.
Centralized
controller CCM
Indoor unit
Three-core
shielded cable
Three-core shielded
cable to centralized
controller
P
X Y E
Outdoor unit
Fig. 5-2 Electrical Wiring of Single-phase Outdoor Units
Table 5-1 Outdoor Unit Wiring
Power Supply
Power Line (mm2)
220V-240V~50Hz
380V~50Hz/60Hz
Power supply
Power supply
Switch / power supply
Power line of outdoor unit
Indoor unit
Outdoor unit
Fig. 5-1 Wiring and Control
L
N
P Q E
Y/G
Single-phase power
supply 220V-50Hz/60Hz
Q E
L N
Y/G
Single-phase power supply
220V-50Hz/60Hz
Breaker/Fuse (A)
3×6
40/35
5×2.5
25/20
Switch / power supply
Power line of indoor unit
Indoor unit
Indoor unit
L1 L2 L3
Three-phase power supply
380V3N-50Hz/60Hz
Fig. 5-3 Electrical Wiring of Three-phase Outdoor Units
10
Signal Wire of Indoor/Outdoor Units (mm) (Signal
three-core shielded cable 3×1.0 (two-core shielded cable 2×1.0)
three-core shielded cable 3×1.0 (two-core shielded cable 2×1.0)
Junction box
Indoor unit
P
Q E
L
Single-phase power
supply 220V-50Hz/60Hz
Three-core
Three-core
shielded cable to
shielded cable
centralized
controller
P
Q E
X Y E
Y/G
Outdoor unit
N
Y/G