64
Every Six Months (Authorized Distributor)
All systems shall be inspected and serviced semi-annually by an authorized distributor.
1. Place the control panel in test mode and ensure there are no supervision faults (refer to “Reset
Overview” on page 53.
2. Disconnect the primary actuator hose from primary cylinder.
3. Verify that the Supervisory Pressure Switches have activated per the control panel manual
instructions.
4. Verify that the system design and installation are adequate to protect the hazard area and conform to
the instructions in this manual. Check the following:
• All equipment requiring fire protection within the hazard area is protected.
• There have been no unauthorized alterations to the protected area or equipment, or to the wet
chemical system.
• All Cylinder Mounting Brackets are securely fastened to the hood.
• All cylinders are properly pressurized. Refer to Table 1 for details.
• All nozzles are properly aimed, secured, and located within the proper distance from the protected
equipment. Each nozzle should be clean and equipped with a foil seal cap.
• All piping joints and pipe supports are securely fastened.
• The pipe lengths, sizes, fittings, and material are as specified in this Manual.
• All wiring is in compliance with local codes.
• All field wiring is free of ground fault or short-circuit conditions.
• All system components and installation material are as specified in this manual.
5. Perform Start-up/Test Procedure (Refer to “INSPECTION AND TEST” on page 60).
Every Twelve-Years
The12-year maintenance is typically done in conjunction with the semi-annual maintenance. These
procedures shall be performed in addition to the tests conducted at Semi-Annual intervals
(“Every Six Months (Authorized Distributor)” on page 64).
Agent Cylinders
Each cylinder must be replaced or recharged every 12 years. For information on replacing cylinders, refer
to “POST-DISCHARGE MAINTENANCE” on page 66.
Actuation Hoses
All actuation hoses must be hydrostatically tested (at 500 psi test pressure) or replaced every 12 years in
accordance with NFPA 17A.
To Next Page
Loading...