34
1(L) 2(N)
U1 U2 R1 R2
7P terminal board
4WK, C Types
Power
supply
Inter-unit
control wiring
Remote
controller
L
N
U1 U2
5P terminal board
HW12-18 Types
Power
supply
Unit
control
Line
1(L) 2(N)
R1 R2
1
2
U1
U2
R1
R2
8P terminal board
Remote
controller
Inter-unit
control wiring
D Type
U1 U2
Power
supply
Power
supply
Unit
control
Line
5P terminal board
HW25 Type
1(L1)2(L2)
U1 U2
5-3. Wiring System Diagrams
(for single-phase outdoor unit)
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 Hz
Power supply
220 – 240 V ~ 50 Hz
Power supply
220 – 240 V ~ 50 Hz
Power supply
220 – 240 V ~ 50 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 Hz
Group control:
WHT
BLK
NOTE
(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.
(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).
Fig. 5-1
Fig. 5-2
Airwell̲PAC-i̲eng.indb 34
Airwell̲PAC-i̲eng.indb 34
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2009/07/09 16:13:28
Содержание OU-PSINV-25HR
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