En54-20 Sensitivity Classes - Xtralis ICAM ILS-1 Product Manual

Xtralis ICAM ILS-1 Product Guide

9 EN54-20 Sensitivity Classes

The detectors used in the ILS-1 have been independently tested and certified for use in EN54-20
approved Class A, B or C installations. The following information will show the requirements for
compliance in each category.
Panel Sensitivity
1 18
2 9
3 4
4 1
5 or above N/A
Note: Table 9-1 shows the limits that should not be exceeded for the three sensitivity classes. Figures
are based upon the configurations shown in Section 4.8: Standard Pipe Configurations.
Maximum hole limits are based upon the following standard test configurations:
• Class A: 3 x 4 mm holes including 1 in end cap
• Class B: 6 x 4 mm holes including 1 in end cap
• Class C: 17 x 3 mm holes plus 1 x 6 mm hole in end cap
Note: Any changes to the standard configuration or settings shown above should be verified using
Xtralis ASPIRE2 pipe modeling software. The latest version of ASPIRE2 is available from
www.xtralis.com.
16
Table 9-1: Sensitivity and Maximum Holes per Class
Maximum Number of Holes per Class
Class C
6
3
1
N/A
N/A
Class B Class A
3
1
N/A
N/A
N/A
Xtralis ICAM
Maximum Pipe
Length (m)
100
100
100
100
N/A
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