Kidde Fire Protection 400 Series, Design, Installation, Operation, And Maintenance Manual

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Installation
July 2018 4-14 06-237518-001
4-7.6.1 Installing Back-Plate Manifold for Selector Valve Systems
Follow these steps to install the back-plate manifold for systems which uses selector valves:
1. Mount the back-plate manifold for the selector valves on the brackets holding the discharge
manifold in the location specified on the cylinder bank assembly drawing. Use the supplied
M12 bolts and nuts, tightening appropriately.
2. Connect the pilot hose from the solenoid valves on the back-plate manifold to the inlet on
the selector valves as indicated on the cylinder bank drawing. Apply a torque of 20- 25 Nm.
A counter hold is required.
3. Connect the pilot hose from the pressure regulator on the back-plate manifold to the outlet
on the discharge manifold. Apply a torque of 20- 25 Nm. A counter hold is required.
Figure 4-12. Selector Valve Installation
Figure 4-13. Back Plate Manifold Installation
WARNING
When installing selector valves, ensure that there is enough clearance to open and
close the selector valve using the handle. Also ensure that the handle is kept with
the selector valve in case of emergency.
Back Plate Manifold
Pressure Regulator
Connection from Manifold
Connection to Selector Valve
Selector Valve