The call-button illumination must connected an
additional power supply, e. standard bell transformer.
.
0
ZV
BUS
Connection built-in loudspeaker
1 door opener
2 additional supply
3 button illumination
4 bell button
5 built-in loudspeaker
Illumination the call buttons
The illumination the call buttons cannot supplied with power via
the control unit.
.
. g.
.621
Gira electrical installation systems
Call-button illumination Door communication
I
Technical
information
Supply the call-button illumination large facilities
3
1 5
4
2
1
2
8
.
