
Building Technologies
Fire safety and security products
FDT181C Collective Heat Detector
Product Manual
Overview
The heat detector FDT181C is a collective detector. It is used for fire detection inside a
building.
Characteristics
– Operation modes: A2 (Rate-of-rise and fixed temperature)
– Collective detector, no address setting, polarity free connection
– 360° visible alarm indicator
– Resistant to environment and interference factors such as humidity, corrosive and
vibration, with immunity against electro-magnetic interference.
Application
– Communication with FC18 controller via FDCI183 transponder, each FDCI183 can
connect max. 32 collective detectors.
– Communication with BC80 controller via BDS161 transponder, each BDS161 can
connect max. 10 collective detectors.

Fire safety and security products 07.2012
Indicator
The detector is provided with an internal alarm indicator to show its operating status.
Installation
Easy and time-saving mounting
Install the base and finish the wiring during the construction phase.
1. Insert detector into base and turn it clockwisely until positioning pointer on base
align with positioning pointer on detector.(see below)
Uninstallation:
1. Turn it counterclockwisely and pull the detector out of base.
After all the construction is finished, the dust cap must be taken away!
No painting!
Dimensions

Fire safety and security products 07.2012
5
1a61b
Connect to
collective input
module
FDB181C
5
1a61b
FDB181C
5
1a61b
FDB181C
EOL1.5KE20CA
Maintenance
Performance test
Recommendation:
– Submit all detectors to an annual visual check. Detectors that are strongly soiled or
mechanically damaged must be replaced.
– Long term backup detectors should be stored with plastic bag.
– Carry out heat test each year.
Technical data
Operating current (quiescent)
Protection category GB4208-93

Beijing Siemens Cerberus Electronics Limited
No.1,Fengzhidonglu, Xibeiwang, HaiDian District,
Beijing, 100094, China
Tel: +10 6476 8806
Fax: +10 6476 8899
© Data and design subject to change without notice.
A6V10361100_b_en_-- Manual FD18