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1-167
Wiring System Diagrams
NOTE
(1) Refer to “Recommended Wire Length and Wire Diameter
for Power Supply System” for the explanation of “A”, “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. Refer to the installation instructions supplied
with the remote controller (optional).
L2
L1
U2
U1
U2
U1
L3
N
A
L1
L2
L3
N
U2
R2
U1
R1
R2
R1
L
N
U2
U1
2
1
D
C
B
L
N
L
N
2
1
B
E
C
L
N
A
L
N
N
L
Power supply
220 – 240V ~50/60Hz
Remote
controller
WHT
BLK
Power supply
220 – 240V ~50/60Hz
Power supply
220 − 240 V ~50/60 Hz
Ground
Ground
Ground
Ground
* 3-phase model connections
* Single-phase model connections
Ground
Ground
Power supply
380 − 415 V, 3 N~, 50 Hz
Outdoor unit (3-phase)
INV unit
Outdoor unit (single-phase)
INV unit
Ground
Indoor unit
(No. 1)
Indoor unit
(No. 2)
L
NU1U2R1R2
6P terminal board
Power
supply
Unit
control
line
Remote
control
line
U1 Type
L N U1 U2 R1 R2
6P terminal board
Power
supply
Unit
control
line
Remote
control
line
Y1 Type
LN
U1
U2
R1
R2
U1
U2
R1 L N
R2
U1
U2
R1 L N
R2
7P terminal board
T1 Type
Power
supply
Remote
controller
line
Unit
control
wiring
L N U1 U2
5P terminal board
Power
supply
K1 Type
Unit
control
line
L N U1 U2 R1 R2
6P terminal board
F1 Type
Power
supply
Remote
control
line
Unit
control
line
Power
supply
Remote
control
line
Unit
control
line
N1 Type
6P terminal board
SM830211-02PAC-i.indb167SM830211-02PAC-i.indb167 2012/07/1713:56:382012/07/1713:56:38