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MV & LV SERIES ENGINEERED DRY CHEMICAL FIRE EXTINGUISHING SYSTEM
OPERATION, DESIGN, & SERVICE MANUAL
REV C
Document # DOC324
Issued: April 26, 2018
Revised: March 22, 2022
UL FILE # EX27541
Section 3 System Design
3.6 Peripheral Equipment and Accessories
e final step is the selection and placement of any and all control panels, detection devices, and accessories.
is section provides a brief overview of these components. A more detailed description is available in other
publications.
3.6.1 Control Panel
For systems requiring UL listing, the control panel must be UL listed and compatible with the electrical
valve actuator as indicated in the control panel manual. e control panel should be located in an accessible
area and installed in compliance with NFPA 72 (National Fire Alarm Code).
3.6.2 Accessories
Audible and visual devices may be utilized to indicate alarm conditions, system status, or trouble conditions
within the system. Audible alarm devices must be of a sufficient decibel level to be heard over the maximum
noise level in the protected hazard.
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