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8
SAFETY NOTE
In the United Kingdom,
ionisation smoke detectors are
subject to the requirements of
the Radioactive Substances
Act 1993 and to the Ionising
Radiations Regulations 1999
made under the provisions
of the Health and Safety at
Work Act 1974.
The detectors, independently
tested by the National
Radiological Protection
Board (NRPB), conform to all
the requirements specified
in the ‘Recommendations for
ionisation smoke detectors in
implementation of radiation
standards’ published by the
Nuclear Energy Agency of the
Organisation for Economic
Co-operation and
Development (OECD) 1977.
There is no limit to the number
of ionisation smoke detectors
which may be installed in
any fire protection system
within the UK. See
Certificate of Approval No.
TA1 of 1999 issues by the
HSE for further details.
Storage regulations depend
on local standards and the
legislation, but, in the UK, the
number of ionisation smoke
detectors in any building or
premises shall be less than
500. See Certificate of
Approval No. TA3 of 1999
issued by the HSE for further
details.
At the end of their
recommended working life
of ten years, ionisation
smoke detectors should be
returned to Apollo for safe
disposal or disposed of in an
otherwise locally approved
and environmentally safe
manner. Please see "A Guide
to the Care, Maintenance
and Servicing of Apollo
Products", PP2055.
Guidance on storage can be
given by Apollo Fire
Detectors and full details
can be requested from:
Radioactive Substances
Regulation Function
Environment Agency
Rio House, Waterside Drive
Aztec West, Almondsbury,
Bristol, BS32 4UD
Outside the UK, please contact
the relevant national agency.
For wind speeds up to 1m/s
(200ft/min) the change in
analogue value will not
exceed 5 counts.
Continuous operation in
wind speeds greater than
2m/s (400ft/min) is not
recommended. However,
wind speeds up to 10m/s
(2000ft/min) can be tolerated
for short periods and will
not under any conditions
increase the probability of
false alarms.
TECHNICAL DATA
XP95 Ionisation
Detector Part No 55000-500/
520/560
B
ase Part No 45681-210
Specifications are typical
and given at 23°C and 50%
relative humidity unless
otherwise stated.
Detector Type:
Point type smoke detector for
fire detection and fire alarm
systems for buildings
Detection Principle:
Ionisation Chamber
Chamber Configuration:
Twin compensating
chambers using one single
sided ionising radiation
source
Radioactive Isotope:
Americium 241
Activity:
33.3kBq, 0.9µCi
Sampling Frequency:
Continuous
Sensitivity:
Nominal threshold y value of
0.7 to EN54–7:2000
technical data
Supply Wiring:
Two wire supply, polarity
i
nsensitive
Terminal Functions:
L1&L2 supply in and out
connections (polarity
insensitive)
+R remote indicator
positive connection
(internal 2.2kΩ
resistance to supply
+
ve)
-R remote indicator
negative connection
(internal 2.2kΩ
resistance to supply
- ve)
Supply Voltage:
17 to 28 Volts dc
Modulation Voltage at
Detector:
5 to 9 Volts peak to peak
Quiescent Current:
280µA average, 500µA peak
Power-up Surge Current:
1mA
Duration of Power-up Surge
Current:
0.3 seconds
Maximum Power-up Time:
4secondsfor communications
(measured from application of
power and protocol)
10 seconds to exceed 10
counts 15 seconds for stable
clean air value
Clean Air Analogue Value:
25±7 counts
A
larm Level 55 Counts:
EN54 y value of 0.7
Alarm Indicator:
Red light emitting diode (LED)
Alarm LED Current:
2mA
Remote LED Current:
4mA at 5V (measured across
remote load)
Type Code:
(210 43) 011 00
Storage Temperature:
-30°C to +80°C
Operating Temperature:
-20°C to +70°C
Guaranteed Temperature
Range:
(No condensation or icing)
-20°C to +60°C
Humidity:
(No condensation or icing)
0% to 95% relative humidity
Wind Speed:
10m/s maximum
Atmospheric Pressure:
Automatic compensation by
dual chambers to maintain
sensitivity up to a height of
2000m above sea level
Vibration, Impact & Shock:
To EN54–7:2000
Electro-magnetic
Compatibility:
See page 21 for full details
IP Rating:
23D
A
pprovals & Regulatory
Compliance:
See page 21 for full details
Dimensions:(diameterxheight)
D
etector: 100mm x 42mm
Detector in Base:
100mm x 50mm
Weights:
Detector: 105g
Detector in Base: 161g
Materials:
Detector Housing: White
polycarbonate V-0 rated to
UL 94
Terminals: Nickel plated
stainless steel
0832