for 3-phase outdoor unit
Power supply
L
220 – 240 V, ~ 50/60 Hz
N
Ground
Remote
controller
WHT
1
1
BLK
2
2
Ground
Power supply
L
220 – 240 V, ~ 50/60 Hz
N
Ground
Group control:
L
Power supply
N
220 – 240 V, ~ 50/60 Hz
Ground
L
Power supply
N
220 – 240 V, ~ 50/60 Hz
Ground
N OT E
(1) Refer to Section 5-2. "Recommended Wire Length
and Wire Diameter for Power Supply System" for the
explanation of "A", "B", "C", "D" and "E" in the above
diagrams.
(2) The basic connection diagram of the indoor unit shows
the 7P terminal board, so the terminal boards in your
equipment may differ from the diagram. (Fig. 5-4)
(3) Refrigerant Circuit (R.C.) address should be set before
turning the power on.
(4) Regarding R.C. address setting, refer to the instruction
manual supplied with the remote controller unit (optional).
Auto address setting can be executed by remote controller
automatically. Refer to the instruction manual supplied with
the remote controller unit (optional).
Indoor
unit (No. 1)
L
N
B
U1
U2
D
1
2
Ground
C
Ground
Indoor
unit (No. 2)
Ground
L
N
B
U1
U2
1
2
Ground
C
Indoor
unit (No. 3)
L
N
Ground
B
U1
E
U2
1
2
Ground
C
Indoor
unit (No. n)
L
N
Ground
B
U1
U2
1
2
Outdoor unit
INV unit
C
L1
U1
L2
U2
L3
Ground
N
Fig. 5-3
40
A
L1
Power supply
L2
380 – 415V, 3N, ~ 50 Hz
L3
N
Ground
7P terminal board
1(L) 2(N)
Power
supply
X, T Types
8P terminal board
1
2
1(L) 2(N)
Power
supply
U Type
5P terminal board
( 1
) L
( 2
N
)
L
N
Power
supply
K Type
6P terminal board
L
N
Power
supply
XM, US Types
U1 U2 R1 R2
unit
Remote
control
control
line
line
U1
U2
R1
R2
U1 U2
R1 R2
unit
Remote
control
control
line
line
3
4
5
U1
U2
unit
control
line
U1
U2
R1
R2
unit
Remote
control
control
line
line
Fig. 5-4