TFH-280A
© 2010
–
2012 Telefire Fire & Gas Detectors Ltd
Revision 1.01 January 2012
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Indications and Troubleshooting
The detector includes an indicating LED that flashes with every access from the control
panel and is turned solid on during alarm.
A detailed message will also be displayed on the control panel and remote annunciators.
Please see the control panel’s manual for a detailed explanation of alarm, fault, and
maintenance alarm indication.
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Specification
Diameter ....................................................................... 101 mm including base
Height (including base and LED)................................... 52 mm
Weight .......................................................................... 106 gr.
Operating Temperature Range ..................................... -10°C – +60°C (14°F – 140°F)
Relative Humidity Range .............................................. 10% – 93% non-condensing
Sensitivity Range (set at control panel)
Rate of Rise Mode ................................................. 7°C – 13°C /minute or 60°C
Fixed Temperature Mode ....................................... 50°C – 90°C in 1°C increments
Operating Voltage
(supplied by control panel via SLC) ........................ 21V, Modulated
Maximum Current Consumption:
Quiescence mode .................................................. 200µA
Alarm mode (without Auxiliary Indicators) .............. 2.6mA
Alarm mode (3 Auxiliary Indicators) ....................... 35mA
Maximum Current to auxiliary indicators ....................... 50mA
Local Indication
Local red LED (light-emitting diode) and an auxiliary indicator
output. Use only Telefire’s TFL-1AN Auxiliary Indicator for Analog
Addressable Conventional Detectors. Connect up to 5 auxiliary
indicators to each detector.
All values are nominal. Specifications are subject to change without prior notice
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Certification
Telefire’s TFH-280A Analog Addressable Heat Detector has the following approvals:
•
EN 54-5 Approved
•
IS 1220 Approved
•
GOST Approved
•
UL 521 Compliant
•
CE Marked
