E2S D2xB1LD2DC024 Instruction Manual page 7

14) Light output for Fire alarm use
In order to meet the requirements for UL 1971, (D2xB1LD2DC024 when used with 1Hz, 1.5Hz 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.
14.1 Horizontal Light Output Dispersion for wall mounting – public mode
Viewing Angle
0⁰
5-25⁰
30-45⁰
50⁰
55⁰
60⁰
65⁰
70⁰
75⁰
80⁰
85⁰
90⁰
Compound 45⁰ to Right
Compound 45⁰ to Left
_______________________________________________________________________________________________________________________________
European Safety Systems Ltd. Impress House, Mansell Road, Acton, London W3 7QH
Document No. D211-00-401-IS-SC
15°
30°
45°
60°
75°
90°
Fig. 12 – Horizontal dispersion angles for wall mounting
Table 3 - Horizontal Light Output Dispersion for Wall Mounting
% Of Rating
100
90
75
55
45
40
35
35
30
30
25
25
24
24
Issue E 02-03-2020
0°
15°
30°
45°
60°
75°
90°
Intensity (cd) at Intensity (cd) at
1Hz flash rate 1.5Hz flash rate
38.38 35.87
34.54 32.28
28.79 26.90
21.11 14.28
17.27 11.69
15.35 10.39
13.43 9.09
13.43 9.09
11.51 7.79
11.51 7.79
9.60 6.49
9.60 6.49
9.21 8.61
9.21 8.61
sales@e2s.com
www.e2s.com
Sheet 7 of 10
Intensity (cd) at
2Hz flash rate
25.97
23.37
19.48
14.28
11.69
10.39
9.09
9.09
7.79
7.79
6.49
6.49
6.23
6.23
Tel: +44 (0)208 743 8880
Fax: +44 (0)208 740 4200