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General Information <br />The system can be activated mechanically from manual release, thermo-bulb links, and fusible links. <br />The system can be activated electrically with a 24 Vdc compatible alarm control panel that Is tested <br />and listed with the Range Guard system. Both automatic detection and manual release devices are <br />used on control panels. Refer to Paragraph 2-2.1.5 for power requirements. <br />Cylinders are activated from stored high-pressure gas. Automatic and manual actuation are available <br />for the Range Guard System. <br />Other actuations are available, such as: <br />• Mechanical gas valve closure <br />• Dry contacts for annunciation and electrical shutdowns <br />1-4 SYSTEM DESCRIPTION <br />The Range Guard Wet Chemical System consists of a supply of wet chemical stored in one or more <br />Cylinder and Valve Assemblies. Each cylinder is pressure activated by a System Valve Actuator. <br />The system can be actuated either automatically and/or manually, using mechanical, electrical, or <br />pressure actuation devices. Upon actuation, the wet chemical is discharged through agent <br />distribution piping and specially designed nozzles positioned throughout the protected area. <br />Figure I-1. Typical Range Guard Wet Chemical System <br />April 2009 1-2 PM 60.9127100.000 <br />