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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 6 System Inspection and Maintenance
• Check all electric manual release stations and abort switches to make certain they have not been
tampered with, are in their normal and operational condition, are accessible, and are visible.
• Check all alarm devices to make certain they have not been tampered with, are not damaged or dirty,
corroded, etc.
• Check all warning signs to make certain they are in place, not covered or obstructed, not painted over,
and easily visible.
• Check all doors to confirm they are not blocked or held open and that automatic door closures will
allow doors to close.
• Visually inspect the hazard for any changes that may have occurred such as additional partitions, moved
partitions, new equipment, different fuels, openings or penetrations for cable or ductwork, HVAC
modifications, etc.
Any discrepancy or problem found during inspection must be brought to the attention of the proper
personnel and corrected.
6.2 Maintenance
Maintenance is a thorough check of the system and is intended to give maximum assurance that the system
will operate effectively and safely. It includes a thorough examination and any necessary repair, recharge,
part replacement, or hydrostatic testing that may be required.
is section does not cover maintenance and service requirements of the detection, control, and releasing
system. Consult NFPA 72 and the appropriate technical manual for instructions on performing service and
maintenance.
Notify all appropriate personnel that the fire extinguishing system will be disconnected and not functional
during the duration of the service. When service is completed notify all appropriate personnel to make them
aware that the system is back in service. Appropriate personnel may include the facility Owner or Manager,
Safety Director or Manager, Security Director or Manager, Emergency Response Team, Maintenance,
Department Manager, or local Fire Department.
ose individuals responsible for maintenance of a Janus Fire Systems® Engineered Dry Chemical Fire
Extinguishing System must be trained.
Minimally, the date of service, name of technician performing the service, results of the service, gross weight,
agent weight, cylinder pressure, cylinder temperature, and any other observations should be recorded noting
any action taken to address or rectify a discrepancy.
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