45
ENGLISH
Optional connections
Fig. 34
The equipment is designed to connect a second remote user interface.
For this connection, a cable (not supplied) is needed to connect to the terminal board shown in the following figure.
CAUTION!:
Equipment connection must be carried out by professionally qualified personnel.
!
CAUTION!:
The electrical power line to which the equipment will be connected must be protected by a suitable differential
thermal magnetic switch.
!
34
34
A
VCC
B
A
GND
VCC
B
33.1
33.1
230V ~50Hz
MAINS
L PE
N
N
L
PE
L1
N
PE
Mains 2 poles switch
A
GND
VCC
B