1
1-354
U2
U1
L
N
1
2
U2
U1
1
2
U2
U1
1
2
U2
U1
1
2
2
1
D
A
E
C
C
B
L
N
L
N
L
N
L
N
L
N
2
1
B
B
B
C
C
2
1
N
L
L
N
L
N
L
N
Power supply
220 – 240 V ~ 50/60 Hz
Power supply
220 – 240 V ~ 50/60 Hz
Power supply
220 – 240 V ~ 50/60 Hz
Power supply
220 – 240 V ~ 50/60 Hz
Ground
Ground
Ground
Ground
Ground
Indoor
unit (No. n)
Indoor
unit (No. 2)
Indoor
unit (No. 1)
Indoor
unit (No. 3)
Ground
Ground
Ground
Outdoor unit
INV unit
Remote
controller
Power supply
220 – 240 V ~ 50/60 Hz
Group control:
WHT
BLK
1(L) 2(N) U1 U2 R1 R2
1 2 U1 U2 R1 R2
1(L) 2(N)
U1 U2
R1 R2
5)N(24)L(13
L N U1 U2
L N U1 U2 R1 R2
Ground Ground
Ground
Ground
Ground
Ground
Wiring System Diagrams
(For single-phase outdoor unit)
(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).
NOTE
Fig. 1-14
X, T Types
7P terminal board
8P terminal board
Power
supply
Remote
control
line
unit
control
line
U Type
Power
supply
Remote
control
line
unit
control
line
5P terminal board
Power
supply
unit
control
line
K Type
6P terminal board
XM, US Types
Power
supply
Remote
control
line
unit
control
line
Fig. 1-15
SM830160-03ClassicPAC-iA4.ind354354SM830160-03ClassicPAC-iA4.ind354354 2010/02/1610:26:562010/02/1610:26:56
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