Wiring System Diagrams - Technibel CAFP255R5IA Installation Manual

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
Group control:
L
Power supply
N
220-240V 50Hz
Ground
L
Power supply
N
220-240V 50Hz
Ground
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
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
Outdoor unit
INV unit
A
L
N
1
2
7P terminal board
2(N)
1(L)
power
supply
14
Power supply
L
200-240V 50Hz
N
U1 U2 R1 R2
Inter-unit Remote
control wiring controller