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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 5 Commissioning System
5.5 Installing Manual Valve Actuator
Attaching the manual valve actuator to the electric valve actuator when the actuation pin is not fully locked into
the “up” position may cause the cylinder valve to actuate, resulting in potential injury and/or property damage.
Reset the manual valve actuator by pulling up on the emergency release button and inserting the ring pin.
e actuation pin should be in the full up position before installing on the electric valve actuator. If the pin
is not reset the valve could open when the manual valve actuator is threaded onto the electric valve actuator.
e actuator is to be installed hand tight until contact is made between the manual valve actuator and
the top of the electric valve actuator. A small gap may be present between the bottom of the manual valve
actuator and the top of the electric valve actuator.
The system is now fully armed and commissioned. Actuation of the manual or electric valve actuators will result
in the discharge of the system.
5.6 Warning Signs
Warning signs must be placed at entrances to and inside protected areas.
5.7 Additional Considerations
Janus Fire Systems® equipment as shipped does not require painting.
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