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ELECTRICAL CONSIDERATIONS
The intelligent refl ective beam detector is loop-
powered and requires no external power supply.
Each beam detector draws approximately 5mA
in quiescent and 9mA in alarm from the ana-
logue addressable loop and, unless proven by
calculation*, it is recommended that no more
than ten beam detectors be powered from each
loop.
*A loop voltage drop calculation program,
known as 'Loop Calculator', has been devel-
oped by Apollo for use by system designers
and is available as a free download from the
Apollo website (www.apollo-fi re.co.uk)
LED FAULT INDICATION
A fault is indicated by the amber LED fl ashing
once a second.
If the drift compensation function has reached
its limit the amber LED fl ashes once every 2
seconds. The detector will continue to function
but maintenance procedures should be carried
out at the earliest opportunity.
Technical Data
Supply Voltage
Supply Current
Prism targeting mode
Alignment mode
Run mode (quiescent)
Alarm (LED illuminated)
Fault (LED illuminated)
Alarm thresholds
25%
35%
50%
Operating temperature
Humidity
IP rating
Material
Colour
17–28V DC
(plus protocol)
17mA
17mA
5mA
9mA
5mA
2.50dB
3.74dB
6.02dB
–20°C to 55°C
0 to 93%RH
(Non-Condensing)
50
Flame Retardant ABS
Grey/Black
PANEL COMPATIBILITY
Please note, not all control panels support this
beam detector. Please contact Apollo's Technical
Sales department for further information.
FURTHER INFORMATION
The intelligent refl ective beam detector must be
installed in accordance with the installation guide,
PP2146. This guide contains more information on
the following topics:
•
system design
•
installing beam detectors
•
targeting, aligning and commissioning
the refl ective beam detector
•
troubleshooting
This guide is available on request or can be down-
loaded from the Apollo website,
www.apollo-fi re.co.uk. If further assistance is
required, please contact the Technical Sales depart-
ment.
Dimensions (beam detector)
Width
Height
Depth
Weight
Dimensions (termination backbox)
Width
Height
Depth
For further technical information please refer to
PP2155-T, available on request.
Part no
Description
45681-334
5–50 metres (detector to refl ector)
45681-292
50–100 metres (detector to refl ector)
45681-293
Termination backbox
130mm
210mm
120mm
670g
130mm
190mm
50mm
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