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5-3. Wiring System Diagrams
for single-phase outdoor unit
Power supply
220 – 240 V ~ 50/60 Hz
Remote
controller
WHT
1
1
BLK
2
2
Power supply
220 – 240 V ~ 50/60 Hz
Group control:
Power supply
220 – 240 V ~ 50/60 Hz
Power supply
220 – 240 V ~ 50/60 Hz
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. 5-2)
(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
L
N
N
Ground
B
U1
U2
D
1
2
Ground
Ground
Indoor
unit (No. 2)
L
L
N
N
Ground
B
U1
U2
1
2
Indoor
unit (No. 3)
L
L
N
N
Ground
B
U1
E
U2
1
2
Indoor
unit (No. n)
L
L
N
N
Ground
B
U1
U2
1
2
Outdoor unit
INV unit
C
Ground
Ground
C
Ground
Ground
C
Ground
Ground
C
Ground
Fig. 5-1
39
A
Power supply
L
L
220 – 240 V ~ 50 Hz
N
N
Ground
1
2
7P terminal board
1(L) 2(N)
Power
supply
8P terminal board
1
2
1(L) 2(N)
Power
supply
5P terminal board
( 1
) L
L
Power
supply
6P terminal board
L
Power
supply
U1 U2 R1 R2
unit
Remote
control
control
line
line
X, T Types
U1
U2
R1
R2
U1 U2
R1 R2
unit
Remote
control
control
line
line
U Type
( 2
N
)
3
4
5
N
U1
U2
unit
control
line
K Type
N
U1
U2
R1
R2
unit
Remote
control
control
line
line
XM, US Types
Fig. 5-2
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