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When an emergency condition arises and an engine shutdown is needed, activate the toggle switch and the valve will close In an overspeed runaway condition, the PowerGuard controller will automatically close the valve and shut down the engine ...
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PROGRAMMING MANUAL • PH5 AIR INTAKE EMERGENCY SHUT-OFF VALVE L6448 3 PowerGuard Controller Set-Up Procedure (Programmable Kits ONLY) Set-up is required for emergency shut-off system to function. Controller uses input engine speed and user defined safety margin to program system trip speed.
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PROGRAMMING MANUAL • PH5 AIR INTAKE EMERGENCY SHUT-OFF VALVE L6448 4 PowerGuard Controller Test Procedure After following Set-Up Procedure, system must be tested to ensure Trip Speed was programmed correctly. Entering TEST Mode causes system to trip at ‘Input Speed’ from Set-Up Procedure – raising engine speed to actual ‘Trip Speed’...
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