LST AO-55000-620 - Manual
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AO-55000-620_DBL_LST_EN_0804.PDF • PAGE 1
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Building Safety. Building Security.
Description
The addressable Optical Smoke Detector AO-55000-
620 uses the scattered light principle, and was deve-
loped for the detection of smoke particles in a wide
range of fi re detection applications. The modern design
of the sensing chamber allows to reliably evaluate the
characteristics of fi re.
The proven ADM loop technology with Apollo/Discovery
protocol establishes a permanent communication bet-
ween the fi re detection control panel and the detector.
That ensures a periodical function testing of the detec-
tor. In the control panel all types of fi res are detected by
continuously comparing fi re patterns.
The infl uence of contamination of the optical measure-
ment system is compensated for by using intelligent
evaluation algorithms. With that, the response sensiti-
vity of the detector is kept constant for a long time –
a further effective step to avoid false alarms.
The activated condition of the detector is indicated by a
red LED. The detector address is selected by means of
a code card in the detector base. Therefore the detec-
tor can be changed without additional tools.
The detector can be attached to various bases and it
can be protected against theft.
• ADM loop technology with
Apollo/Discovery protocol
• Optional connection of remote
indicator
• Constant response sensitivity
• Sealed electronics
Specifi cations
Operating voltage
Supply through loop voltage
Current consumption
typ. 340µA (quiescent)
Ambient temperature
-20°C to +60°C
Relative humidity
0 – 95% (no condensation)
Dimensions ø × H
100 × 42 (mm)
Colour
white
Weight
105g
Approval
VdS G294028
Order number
241023
Order name
Optical Smoke Detector/Anal./XP95/Apo AO-55000-620
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