Operating instructions

e1955
11.1999
29
Siemens Building Technologies
Cerberus Division
Alarm devices ISOLATE/DE–ISOLATE
When do alarm devices (horns, sirens, etc.) have to be isolated ?
Normally the alarm devices operate in active stand-by. Isolation is needed only in special cases, for example for
testing the control functions.
123
456
789
ok
F2
F1
0
C
Alarms FaultsIsolationInformation
Alarm device Alarm deviceAlarm devicePremises
active faultisolate(d)manned
Remote alarm Remote transmissionRemote alarmAlarm delay
active faultisolate(d)off
Mains SystemControl functionDetector
available faultisolatedtest mode
2
1
ISOLATING the alarm devices
Press key
1
Ü The corresponding isolation message is displayed
Ü Indicator
2
turns on
Ü The alarm devices (warning system AND external
bell) are isolated
DE–ISOLATING the alarm devices
Press key
1
(toggling key)
Ü Indicator
2
turns on
Ü The alarm devices are de–isolated and switched to
stand-by
Note
The alarm devices can also be isolated and de–isolated via the menu.
F1:function F2:menu
main building
external horn (horn II)
02 warning system ISOLATED
main building
internal horn (horn I)
01 external bell ISOLATED
ISOLATION Zones: 0