GEZE hold-open system FA GC 150
24
Technical data
4.9 Wireless ceiling-mounted smoke detector GC 172
Wireless ceiling-mounted smoke
detector GC 172
comprising:
ID 195522
ú
Base GC 170 B
ú
Wireless smoke detector GC 002 F
ú
Two batteries
Battery type
Colour
CR 123A (3 V DC)
white, RAL 9016
Dimensions (with base, Ø × H)
110 mm × 65 mm
Functional principle
Scatter light, adaption of the alarm threshold,
no alarm saving (self-resetting as soon as there is no longer any smoke
in the measuring chamber)
Insect grid
prevents insects getting into the measuring chamber.
Installation position
Ceiling mounting
Detector test
To activate test mode:
X
Move the test magnet near to the magnetic sensor (GEZE logo).
The LED flashes green.
Alarm triggering:
X
Move the test magnet near to the magnetic sensor (GEZE logo) again.
X
Trigger the alarm using the test aerosol.
The detector test using a test magnet tests the electrical compo-
nents. The detector test which forms part of the regular testing of
the hold-open system must be carried out using a test aerosol
(see chap. 6.2.2)
.
Battery life span
8 years
Signal transfer period
60 s
Antenna
integrated
Frequency range
868.15 MHz to 869.85 MHz
Range
10 m (100 m in space)
Number of frequency channels
7
Modulation technique
FSK (frequency shift keying)
Radiated power
10 dBm / 10 mW
1
2
3
6
7
8
60
4
5
1
Magnetic sensor for testing (behind the GEZE logo)
2
LED for displaying state
3
Battery compartment cover
4
Battery compartment
5
Batteries
6
Set-up switch
7
Sabotage contact
8
Base
German
institute for
construction
technology
