3 Structure and function
3.1 Overview
The manual call point FDM275 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 consists of a back box, a switching unit, and a
battery pack. The manual call point FDM275 has the following features:
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Manual call points with direct activation
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Alarm activation by pressing the pressure point
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Radio communication with:
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Radio gateway
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Other radio devices
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Individual detector addressing
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Alarm indicator with status display (green and red):
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Identifies alarm
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Confirms contact with the radio network
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Confirms detector test
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Battery operation
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Versions with resettable plastic or glass insert
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Surface mounting
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Key for resetting the alarm after alarm activation and for opening the housing
Structure and function
Overview
3
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