Maintenance Manual
24
PEFS F3 Maintenance Manual, Version 1.2, Feb 2018
© Copyright 2017 Chubb Fire & Security Pty Ltd
Detection system - Electrical [where fitted] (Item 18)
Note:
The following maintenance activities should be carried out in conjunction with the listed fire control system
manuals.
1. Check electric detection system is intact and not damaged:
a. Electrical cabling is not worn, split, cut or kinked.
b. Electrical cabling has protective sleeves fitted along locations where rubbing can occur.
c. Electrical connectors are intact and not damaged.
d. Separate connectors and check to ensure they are free from ingress of dirt, water and corrosion.
Replace if required. Re-connect all electrical connectors.
e. All cabling clamps and supports are adequately secured to the equipment and firmly holds the cabling
in place.
f.
Detector locations are in correct position. Refer to system design data (baseline data) as of last
commissioning.
2. Function test all detectors
3. Check all wiring for earths
System interface and shutdown [where fitted] (Item 19)
Note:
The following maintenance activities should be carried out in conjunction with the listed fire control system
manuals.
Test all fire suppression system activated equipment shutdowns and record delay time.
System Pressurising
LOP systems are pressurised using the Schrader valve fitted on top of the LOP Valve Assembly or using the
Schrader valve fitted on the manual LOP actuators.
WARNING:
Do not pressurise a cylinder that is not in test date.
NOTE:
Do not pressurise LOP systems using the schrader valve on the filler port assembly of the PEFS cylinders.
This will cause the cylinder to discharge.
1. Cap the discharge port of each cylinder valve to prevent solution loss in the event of an accidental discharge.
2. Check to ensure that all electrical actuation devices have been isolated.
3. Connect a regulated source of nitrogen through an approved charging rig (refer Figure 5) to either:
a. the cylinder valve assembly charging point
b. the charging point on one of the LOP manual actuators
4. Pressurise the system to the correct listed pressure as per Table 5.
5. Hold pressure for a minimum of 1 minute. Increase this time for each additional cylinder.
6. Check the pressure indicator on the cylinder valve and ensure it reads in the green sector
7. Shut off supply at the control valve and unscrew the charging adaptor (internal)
8. Vent pressure from the charging rig prior to disconnecting adaptor then disconnect the pressure source.
9. Test the actuation system for leaks. Leak testing should be carried out using a liquid leak detection solution.
a. Leak test all fitting connections
b. Leak test all LOP Manual actuators (refer above under 6 Monthly Service Instructions)
c. Leak test all LOP Electrical actuators
10. Test the cylinder for leaks. Leak testing should be carried out using a liquid leak detection solution.
a. Leak test filler port
b. Leak test burst disk
c. Leak test all ports on the LOP Valve assembly
d. Leak test cylinder welds.
11. Remove caps from discharge ports and re-fit distribution hoses.