European Safety Systems Ltd.
Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com Tel: +44 (0)208 743 8880
Document No. D211-00-471-IS-SC-UL Issue A 26-07-2022 Sheet 1 of 3
FIRE INSTRUCTION MANUAL
D2xB1LD3 LED Beacons
For use in Hazardous Locations
1) Warnings
DO NOT PAINT
Avertissement:
NE PAS PENINTURER
2) Fire Alarm Ratings
2.1 Public Mode Fire Alarm Ratings
The D2xB1LD3DC024 is certified for use as a public mode visual alarm device in accordance with UL1971 Third Edition and UL1638
Fifth Edition / CAN/ULC-S526 Fourth Edition.
For use in public-mode fire alarm systems the beacon must be installed without the wire guard or plastic lens cover.
Testing of synchronization requirements of UL1971 & UL1638 / CAN/ULC-S526 were conducted by UL using a total of 6 units
connected to the same wire run. Auto-synchronization does not require the use of any external sync modules or protocols. Providing
the correct cable has been selected an unlimited number of units will remain synchronized when powered from the same source.
2.2 Private Mode Fire Alarm Ratings
D2xB1LD3 is approved for use as Visual Appliance for use in Fire Alarm Systems – Private Mode.
On-axis light output rating – private mode
3)
Light output for Fire alarm use
In order to meet the requirements for UL1971, (D2xB1LD3DC024 when used without plastic lens cover or wire guard only), the
installation must be carried out to the correct NFPA standards and guidelines.
3.1
Horizontal Light Output Dispersion for wall mounting – public mode
0°
15°
15°
30°
45°
60°
75°
90°
90°
30°
45°
60°
75°
Fig. 1 - Horizontal dispersion angles for wall mounting
Model
Accessories
Intensity (cd) @ 1Hz
D2xB1LD3DC024
No Guard, No lens
112.5
