Structure and function
Overview
3
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Building Technologies
A6V10425652_en--_f
Fire Safety
2016-11-28
3 Structure and function
3.1 Overview
The manual call point FDM275-O is intended for use in areas of a building where a
fire can be detected by people who can manually trigger an alarm.
The manual call point FDM275-O consists of a back box, a switching unit, and a
battery pack. The manual call point FDM275-O has the following features:
Manual call points with direct activation
– Alarm activation by pressing the pressure point
Radio communication with:
– Radio gateway
– Other radio devices
Individual detector addressing
Alarm indicator with status display (green and red):
– Identifies alarm
– Confirms contact with the radio network
– Confirms detector test
Battery operation
Versions with resettable plastic or glass insert
Surface mounting
Key for resetting the alarm after alarm activation and for opening the housing
