Gigaset HC450 S30852-H1799-R101 User Manual

Product codes
S30852-H1799-R101
Page of 29
10
Installing the Gigaset HC450 door intercom system
Gigaset HC450 / en / A31008-M1799-R101-1-7619 / Starting.fm / 13.02.2007
Ve
rs
ion 4,
 16
.09.
2005
The terminal cap will then spring out of 
the two detent clips.
Mark the distance between the two drill 
holes on the wall. Drill two holes for 6 mm 
plugs and fix the control unit using the 
enclosed screws and plugs.
For laying the cables, a multi-core com-
munications cable is recommended with a 
wire profile of 0.6 mm. 
Connecting the HC450 control 
unit
Using existing cables
Disconnect the existing connection 
between the doorbell and the bell trans-
former/bell at an appropriate location, if 
possible near where the control unit is 
mounted (see next diagram on left).
Connect the open ends for the bell 
transformer/bell with the "Actuator" ter-
minals in the control unit (polarity is not 
relevant).
Connect the open ends for the doorbell 
with the "ETS" terminals in the control unit 
(polarity is not relevant).
New cabling
Connect the 2-core cable of the door inter-
com to the terminals marked "ETS" in the 
control unit (see illustration below). Con-
nect the bell transformer/bell to the "Actu-
ator" terminals in the control unit.
Caution:
Cables must not be connected or disconnected 
during a thunderstorm.
Doorbell
Before
After
Bell transformer
Bell trans.
Bell
Door intercom
Door opener
(op
tional)
Bell transformer
Bell trans.
Bell
Power 
supply unit
Light
Actua-
tor
ETS
Control unit
Do
or open
er
Con
tr
ol uni
t