BTR BCR - 2 A - Page 15

15
RWA - Control Unit BCR
instAllAtion step 2:
C
onneCting smoke DeteCtors anD breakglass units
Connection of automatic and manual smoke detectors / BMZ
12 A8 A4 A2 A
reset
red: open
green: close
(same as HSE reset)
Drive 1 Drive 2
GND
alarm operation fault
GND GND
OPEN CLOSE
REL 6 - REL 6 - REL 6 - REL 7 - REL 7 - REL 7 -
com n.c. n.o. com n.c. n.o.
button L2 - button L2 - LED - LED - LED -
GND
alarm reset
GND smoke detector GND GND +24 V GND rain GND wind
OPEN CLOSE
button L1 - button L1 - HSE - HSE -
Alarm
Fault
(inverted)
+
smoke detector
OK
!
1 2 3 4 5 6 7 8 9 1110
OK
!
1 2 3 4 5 6 7 8 9 1110
R
E
1 2312 3 4
1 2 3 4 5 6 7 8 9 10 11
HSE - Break-glass unit
instAllAtion step 2:
connection: automatic and manual smoke detectors
04
!
The re detector connection is closed-circuit moni-
tored for line failures. Therefore, both the last smoke
detector and the last breakglass unit in the line must
be provided with a 10 kΩ resistor (RE).