Sanyo Big PACi 18 Series - Page 142

1
1-137
Wiring System Diagrams
(for 3-phase outdoor unit: X, K, T, U and D Types)
2
1
U2
U1
3
4
A
L1
L2
L3
N
U2
U1
1
2
2
1
2
1
U2
U1
1
2
U2
U1
1
2
U2
U1
L
N
1
2
2
1
2
1
2
1
D
E
C
B
L
N
L
N
L
N
L
N
2
1
B
B
C
B
D
D
C
C
L
N
L
N
L
N
5
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
380 – 415 V, 3N, ~ 50/60 Hz
Group control:
WHT
BLK
Remote
controller
WHT
BLK
Remote
controller
WHT
BLK
Ground
Ground
NOTE
(1) Refer to “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.
1(L) 2(N)
U1
U2
R1
R2
7P terminal board
X, T Types
Power
supply
Remote
controller
Inter-unit
control wiring
1(L)2(N) R1 R2
1 2 U1 U2 R1 R2
1(L)2(N)
12345
U1 U2
8P terminal board 5P terminal board
Power
supply
Remote
controller
U1 U2
Inter-unit
control wiring
U, D Types K Type
Power
supply
Inter-unit
control wiring
* SPW-D905H is only 50 Hz.
SM830161Book.indb137SM830161Book.indb137 2008/06/039:08:152008/06/039:08:15