Functional Description - Kidde Fire Systems ECS Manual

Component Description
3-2

FUNCTIONAL DESCRIPTION

Compressed HFC-227ea liquid is held in the agent storage container by a discharge valve.
When the discharge valve is actuated, the compressed liquid agent discharges through the
valve outlet and is directed through the distribution piping to the nozzles. The nozzles provide
the proper flow rate and distribution of HFC-227ea.
The Kidde ECS System is composed of the following components and assemblies:
• Cylinder/valve assembly
• Liquid level indicator (optional)
• Control head (electric, cable operated, lever operated, pressure operated and electric and
cable operated)
• Pressure gauge
• Straps and brackets for mounting the cylinder
• Cable manual pull station
• Nitrogen actuator and mounting bracket
• Actuation hose
• Flexible discharge hose
• Master cylinder adapter kit
• Tees, elbows and adapters
• Check valve
• Valve outlet adapter
• Discharge nozzle
• Discharge indicator
• Corner pulley
• Supervisory pressure switch (optional)
• Hydrostatic test adapter
• HFC-227ea cylinder recharge adapter
• HFC-227ea cylinder seating adapter
• Main to reserve transfer switch
• Manifold El-check
• Detector
• Pressure operated switch and trip
• Control panel
Figure 3-1 and Figure 3-2 show the above components in two typical configurations.
October 2014 3-2 06-236115-001