25
INStALLAtION
MODEL 50
1
Connection terminal board with indoor unit
2
Power supply connection terminal board
3
Wire retainer
4
Earth screw
1
3
2
4
—
remove the wire retainer
—
make electrical connections according to the diagrams be-
low
MODEL 25 - 35
A
Outdoor unit
B
Indoor unit
C
System main switch
3(C)
1(N) 2(L)
1(N)
2(L)
3(C)
B
A
N
L
230V 1-N 50HZ
C
MODEL 50
A
Outdoor unit
B
Indoor unit
C
System main switch
1(N)
2(L)
3(C)
A
B
L
N
230V 1-N 50HZ
C
1 (N)
2 (L)
3 (C)
1 (N)
2 (L)
9
It is compulsory to use ring crimp terminals to connect to the
terminal board.
For the sizing of the electrical power cables and safety devices,
use the following table:
Model
25
35
50
Electrical characteristics
Power supply
V/Ph/Hz
230/1/50
Protection factor
IP
24
Protection against
short circuit
A
20
25
Protection against
overcurrent
A
15
20
Ground protection
A
20
25
Residual current
mA
30,00
Starting current
A
1,00
Power cable
Type
H07RN-F
Power cable
n. x
mm²
3 x 1,5
3 x 2,5
Signal cable
n. x
mm²
1 x 1
