Operation
06-236115-001 2-1 October 2014
CHAPTER 2
OPERATION
2-1 INTRODUCTION
This chapter describes the controls and indicators for the Kidde ECS System.
2-2 SYSTEM CONTROLS AND INDICATORS
2-2.1 General
Compressed HFC-227ea liquid is held in the cylinder by a discharge valve. When the discharge
valve is actuated by a control head, the valve piston is displaced and the compressed liquid
escapes through the discharge port of the valve and is directed through the distribution piping
to the nozzles. The nozzles provide the proper flow rate and distribution of HFC-227ea.
2-2.2 Operating Procedures
2-2.2.1 Automatic Operation
When a system is operated automatically by means of a detection and control system,
everyone must evacuate the hazard area promptly upon hearing the predischarge alarm. Make
sure no one enters the hazard area. Call the fire department immediately.
2-2.2.2 Remote Manual Operation
Operate as follows:
1. Proceed to the appropriate remote manual pull station for the hazard.
2. Operate the manual pull station.
3. Leave the hazard area immediately.
4. Allow no one to enter the hazard area. Call the fire department immediately.
Note: The above instructions must be displayed in the protected area.
2-2.2.3 Local Manual Operation
1. Proceed to appropriate HFC-227ea cylinder for the hazard.
2. Remove the safety pull pin from the cylinder control head.
3. Operate the lever, following the instructions on the lever or control head nameplate.
4. Leave the hazard area immediately.
5. Allow no one to enter the hazard area. Call the fire department immediately.
CAUTION
Manual control is not part of normal system actuation and should only be used
in an emergency as a last resort.
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