4-3. Wiring System Diagrams
■ Europe
L
Power supply
N
220-230-240V ~ 50Hz
Ground
Remote
controller
WHT
1
1
BLK
2
2
L
Power supply
N
220-230-240V ~ 50Hz
Ground
■ Oceania
L
Power supply
N
230-240V ~ 50Hz
Ground
Remote
controller
WHT
1
1
BLK
2
2
L
Power supply
N
230-240V ~ 50Hz
Ground
NOT E
(1) Refer to Section 4-2. "Recommended Wire Length
and Wire Diameter for Power Supply System" for the
explanation of "B", "C", "D" and "E" in the above diagram.
(2) The basic connection diagram of the indoor unit shows the
terminal boards, so the terminal boards in your equipment
may differ from the diagram.
(3) Refrigerant Circuit (R.C.) address should be set before
turning the power on.
(4) Regarding R.C. address setting, refer to the installation
instructions supplied with the remote controller (optional).
Auto address setting can be executed by remote controller
automatically.
Indoor unit
(No. 1)
L
N
B
U1
U2
D
R1
R2
Indoor unit
(No. 2)
L
N
B
U1
E
U2
R1
R2
Indoor unit
L
N
B
U1
U2
D
R1
R2
Indoor unit
L
N
B
U1
U2
R1
R2
(
: Functional earthing)
* 3-phase model connections
Outdoor unit (3-phase)
INV unit
C
L1
U1
L2
U2
L3
N
C
* Single-phase model connections
Outdoor unit (single-phase)
INV unit
L
N
U1
U2
* 3-phase model connections
Outdoor unit (3-phase)
INV unit
C
L1
U1
L2
U2
L3
N
* Single-phase model connections
Outdoor unit (single-phase)
INV unit
C
L
N
U1
U2
16
L1
Power supply
L2
380-400-415V 3N ~ 50Hz
L3
N
Ground
L
Power supply
220-230-240V ~ 50Hz
N
Ground
L1
Power supply
L2
400-415V 3N ~ 50Hz
L3
N
Ground
L
Power supply
230-240V ~ 50Hz
N
Ground
7P terminal board
L
N
U1
U2
R1
Power
Inter-unit
Remote
supply
control
control
wiring
wiring
Type K2
R2