4-3. Wiring System Diagrams
Europe
L
Power supply
N
220-230-240V ~ 50Hz
Ground
Remote
D
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
D
controller
WHT
1
1
BLK
2
2
L
Power supply
N
230-240V ~ 50Hz
Ground
Remote
D
controller
WHT
1
1
BLK
2
2
NOT E
(1) See the 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
C
B
U1
U2
R1
R2
C
Indoor unit
(No. 2)
L
N
B
U1
U2
R1
R2
Indoor unit
L
N
C
B
U1
U2
R1
R2
Indoor unit
L
N
C
B
U1
U2
R1
R2
: Functional earthing)
(
* 3-phase model connections
Outdoor unit (3-phase)
INV unit
L1
L1
L2
U1
L2
L3
U2
L3
N
N
* Single-phase model connections
Outdoor unit (single-phase)
INV unit
L
N
U1
U2
* 3-phase model connections
Outdoor unit (3-phase)
INV unit
L1
L1
L2
U1
L2
L3
U2
L3
N
N
* Single-phase model connections
Outdoor unit (single-phase)
INV unit
L
N
U1
U2
4P terminal board
U1
U2
R1
R2
Remote
Inter-unit
control
control
wiring
wiring
15
Power supply
380-400-415V 3N ~ 50Hz
Ground
L
Power supply
220-230-240V ~ 50Hz
N
Ground
Power supply
400-415V 3N ~ 50Hz
Ground
L
Power supply
230-240V ~ 50Hz
N
Ground
2P terminal board
L
N
Power
supply
Type U2