Page: 83
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
4.2 Electrical Installation
Electrical installation may be done in conjunction with mechanical installation or separately, but both
installations must be completed before the system is commissioned (Section 5). Wiring must be installed in
accordance with the guidelines of NFPA 70 - National Electrical Code, NEMA, and local electrical codes.
Early warning detection, audible and visible alarm device, and control panels must be installed and tested
in accordance with NFPA 70 - National Electrical Code and NFPA 72 - National Fire Alarm Code as well
as local electrical codes.
Figure 4.1.6.4c Multiple Remote Actuation Diagram
Secondary Remote
Nitrogen Cylinders may
be Manual Actuation or
Manual/Electric Actuation
(Manual Only Shown)
Optional Check Valve May
Be Used to Isolate Each
Remote Actuation Cylinder
Male NPT
Adapter
(P/N 18625)
Male NPT
Adapter
(P/N 18625)
Male NPT
Adapter
(P/N 18625)
Tee, 1/4 in
FNPT
(P/N 99894)
Section 4 System Installation
To Next Page
Loading...
Need help?
General