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1
Wiring System Diagrams
(For single-phase outdoor unit)
Power supply
220 – 240 V ~ 50/60 Hz
Remote
controller
WHT
1
BLK
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
NOTE
(1) Refer to the section "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 at
right shows the 7P terminal board, so the terminal
board in your equipment may differ from the
diagram. (Fig. 1-15)
(3) The 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
1
2
2
C
Ground
Ground
Indoor
unit (No. 2)
L
L
N
N
Ground
B
U1
U2
1
2
C
Indoor
unit (No. 3)
L
L
N
N
Ground
B
U1
E
U2
1
2
C
Indoor
unit (No. n)
L
L
N
N
Ground
B
U1
U2
1
2
Fig. 1-14
Outdoor unit
INV unit
C
L
N
Ground
1
Ground
2
Ground
Ground
Ground
Ground
Ground
1-354
A
Power supply
L
220 – 240 V ~ 50/60 Hz
N
Ground
7P terminal board
1(L) 2(N)
U1 U2 R1 R2
Power
unit
supply
control
line
X, T Types
8P terminal board
1
2
U1
1(L) 2(N)
U1 U2
Power
unit
supply
control
line
U Type
5P terminal board
( 1
) L
( 2
N
)
3
L
N
U1
Power
supply
control
K Type
6P terminal board
L
N
U1
U2
Power
unit
supply
control
line
XM, US Types
Fig. 1-15
Remote
control
line
U2
R1
R2
R1 R2
Remote
control
line
4
5
U2
unit
line
R1
R2
Remote
control
line
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