Wiring System Diagrams - Technibel CAFM255R5IA Bedienungsanleitung

3-3. Wiring System Diagrams

L
Power supply
N
220-240V 50Hz
Ground
Remote
D
controller
WHT
1 1
BLK
2 2
L
Power supply
N
220-240V 50Hz
Ground
Remote
controller
D
WHT
1 1
BLK
2 2
Group control:
L
Power supply
N
220-240V 50Hz
Ground
L
Power supply
N
220-240V 50Hz
Ground
Remote
D
controller
WHT
1 1
BLK
2 2
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 dia-
gram.
(3) Refrigerant Circuit (R.C.) address should be set
before turning the power on.
Indoor
unit (No. 1)
1
2
C
B
U1
U2
Ground
R1
R2
Ground
C
Indoor
Ground
unit (No. 2)
1
2
B
U1
U2
R1
R2
Ground
C
Indoor
unit (No. 3)
1
2
B
U1
E
U2
R1
R2
Ground
C
Indoor
unit (No. n)
1
2
B
U1
U2
R1
R2
Ground
Outdoor unit
INV unit
A
1
U1
2
U2
3
4
3
5
4
F
Inter-outdoor-unit control wiring
Outdoor unit
CS unit
A
1
2
3
3
4 4
5
1(L)
power
supply
14
L1
Power supply
L2
380-415V-3N 50Hz
L3
N
Ground
L1
Power supply
L2
380-415V-3N 50Hz
L3
N
Ground
7P terminal board
2(N) U1 U2 R1
Inter-unit Remote
control wiring controller
R2