BSB Dampers
Air, Fire and Smoke Control
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BSB Engineering Services Ltd.
Unit 56, Trinity Trade Centre,
Mill Way, Sittingbourne,
Kent ME10 2PD, United Kingdom
Sales Office: +44(0)1795 422609
General Enquiries:
+44(0)1795 505366
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Standard Electro Mechanical Operation

Principle of Operation

Normal operation: The damper control panel to monitor zone volt free contacts (normal closed) in the fire alarm panel, which will energise a control relay to provide a power supply to the dampers.

Alarm condition: On alarm detection, N/C fire alarm contact to open, which will result in de-energising the control relay to remove the supply to the damper control option allowing failsafe position to be achieved.

Panel Ordering Codes

EM10 - Maximum 10 FSD dampers
EM20 - Maximum 20 FSD dampers
EM30 - Maximum 30 FSD dampers

Panel Fascia Displays

Controls, monitors and indicates up to 10 FSD dampers. The three position test switch is located on the facia to provide:
Normal – All dampers open and under the dictate of an alarm input
Test – All dampers close, dampers to reset open in normal position
Override – Overrides the alarm input to open all dampers

Controls, monitors and indicates up to 20 FSD dampers. Complete with two blocks of 10 damper indication LED’s.

Controls, monitors and indicates up to 30 FSD dampers. Complete with three blocks of 10 damper indication LED’s.

Control Systems Downloads

Control Brochure

BSB Engineering Services Ltd. reserves the right to modify or withdraw any specification without prior notice that may result from continuous product development. The information contained within this website is for reference only. Full product details should be obtained from our Sales Office.

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