Technibel Climatisation CAVM93R5TA Manuel D'installation page 19

(2) Basic wiring diagram for central control (link system)
This diagram shows when several units (max. 30 outdoor units
+ max. 64 indoor units) are controlled by a system controller
individually.
Indoor Unit
Inter-unit
power wiring
(Line voltage)
Inter-unit
control wiring
(Low voltage)
RED
1 1
WHT
2 2
BLK
3 3
D
Remote controller
(option)
Indoor Unit
Inter-unit
power wiring
(Line voltage)
Inter-unit
control wiring
(Low voltage)
RED
1 1
WHT
2 2
BLK
3 3
D
Remote controller
(option)
Indoor Unit
Inter-unit
control wiring
(Low voltage)
Inter-unit
control wiring
(Low voltage)
RED 1 1
WHT
2 2
BLK
3 3
D
Remote controller
(option)
NOTE
G R.C. Addresses should be set before turning the power on.
B
1
2
Ground
U1
U2
C
R1
R2
R3
C C
B
1
2
Ground
U1
U2
R1
R2
R3
C C
B
1
2
Ground
U1
U2
R1
R2
R3
C
C1 L1
C2 N2
C3
C4
D
System controller
Outdoor Unit
*1
R.C. Address on the PCB:
1
PCB: 1 (S2, BLK)
2
1 4
L1
2 L1
L2
L2
L3
L3
N
N
Ground
A
Outdoor Unit
R.C. Address on the PCB:
1
PCB: 2 (S2, BLK)
2
1 4
L1
2 L1
L2
L2
L3
L3
N
N
Ground
A
Outdoor Unit
R.C. Address on the PCB:
1
PCB: 8 (S2, BLK)
In case of 8 indoor units
2
1 4
L1
2 L1
L2
L2
L3
L3
N
N
Ground
A
L
Power supply
N
~
220 - 240 V 50 Hz
Ground
18
Power supply
~
380 - 415 V - 3 N 50 Hz
Power supply
~
380 - 415 V - 3 N 50 Hz
Power supply
~
380 - 415 V - 3 N 50 Hz
0504_M_I
EG