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European Safety Systems Ltd.
Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com Tel: +44 (0)208 743 8880
Document No. D211-00-611-IS-SC-UL Issue: A 26-07-2022 Sheet 1 of 5
FIRE INSTRUCTION MANUAL
D2xC2LD2 Alarm Horn and LED
For use in Hazardous Locations
1)
Warnings
DO NOT PAINT
Avertissement:
NE PAS PEINTURER
2)
Rating & Marking Information
2.1 Public Mode Fire Alarm Ratings
The D2xC2LD2DC024 is certified for use a as public mode audible and visual alarm device in accordance with UL464 & UL1971 /
UL1638.
For use in public-mode fire alarm systems the equipment must be installed without the wire guard or plastic lens cover on the beacon.
The beacon must be set to one of the certified flash patterns of 1Hz, 1.33Hz or 2Hz (for DIP switch settings see section 10).
For light output ratings of the beacon see section 12.
The sounder section produces a sound pressure level above 75dB(A) at 10 feet:
For Fire Alarm applications, the Sounder Volume must be at the highest setting, (see volume control section).
For fire alarm use, the temporal pattern tone No. 12 as per the tone table provided in these instructions must be selected.
This tone produces a minimum sound pressure level of:
CAN/ULC-S525: 100.4dB(A)* at 10 feet.
(*anechoic room)
UL464:
92.2dB(A)
†
at 10 feet.
(
†
reverberation room)
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 (see section 6) an unlimited number of units will remain synchronized when powered from the same source.
2.2 Private Mode Fire Alarm Ratings
The D2xC2LD2DC024 is approved for use as Audible and Visual Appliance for use in Fire Alarm Systems – Private Mode.
For private mode fire alarm use the beacons must only be fitted with clear or red plastic lens covers and must be set to one of the
certified flash patterns of 1Hz, 1.33Hz or 2Hz.
For light output ratings see section .
3)
Light output for Fire alarm use
In order to meet the requirements for UL 1971, (D2xC2LD2DC024 when used with 1Hz, 1.33Hz or 2Hz Flash rates and without plastic
lens cover and wire guard only), the installation must be carried out to the correct NFPA standards and guidelines.