Edwards ModuLaser Installation Manual page 100

Modular aspirating smoke detector
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Appendix B: Regulatory information
International standards
These products have been designed to meet the following requirements:
NFPA 72 National Fire Alarm and Signalling Code
UL 268 Smoke Detectors for Fire Alarm Signalling Systems
UL 268A Smoke Detectors for Duct Application
UL 864 Control Units for Fire Protective Signalling Systems
FM 3230 Smoke Actuated Detectors for Automatic Fire Alarm Signalling
CSFM California State Fire Marshal
CAN/ULC-S529 Smoke Detectors for Fire Alarm Systems
CAN/ULC-S524 Installation of Fire Alarm Systems
ULC S527 Control Units for Fire Alarm Systems
System reacceptance test after reprogramming (UL/ULC and FM): To ensure
proper system operation, this system must be retested in accordance with
NFPA 72 after any programming change. Reacceptance testing is also required
after any addition or deletion of system components, and after any modification,
repair, or adjustment to system hardware, or wiring.
EN 54-20 compliance
To comply with EN 54-20 requirements:
All pipes used in the installation must conform to EN 61386-1 Class 1131.
The Class of any pipework and hole configuration, detector sensitivity and
equipment parameters must be determined using PipeCAD software. The
applicable values for each Class are shown below.
Class
A
B
C
The transport time of the last sampling hole must be checked after installation
and must be less than or equal to that determined by PipeCAD.
The flow low and flow high settings must be set to a value not exceeding
20%.
All modules must be powered by a suitable power supply approved to
EN 54-4.
All cable glands must be rated IP67 or higher.
For more information on PipeCAD, see your PipeCAD documentation.
94
Hole sensitivity (% obs/m)
< 0.41
< 2.221
< 3.78
ModuLaser Modular Aspirating Smoke Detector Installation Manual
Transport time (s)
< 70
< 85
< 95

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Questions and answers

Al Greco
March 13, 2025

does a system smoke detector require a box or can I mount it with just a ring

1 comments:
Mr. Anderson
March 13, 2025

The Edwards ModuLaser system requires a backplane to be fixed to the wall for installation. The detector and display modules are then mounted onto this backplane. This suggests that a simple ring mount is not sufficient for installation.

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