Discharge Pressure Switch

Discharge Pressure Switch

Feedback on the information generated by the agent releases pressure to tell the extinguishing control panel that the system is opened, to indicate extinguishing agent released.

Wiring: Remove the two screws retaining the cover and cover gasket. A 1/2” NPT conduit connection is provided on the left-hand side of the enclosure. Two cast-in knockouts for the 1/2” conduit are located on the side and back of the enclosure. These can easily be knocked out by placing the blade of a screwdriver in the groove and tapping sharply with a hammer. The three switch terminals are clearly labeled “common”, “normally open” and “normally closed”. For switches supplied with lead wires, the following color coding applies Common, Normally Closed-Orange, and Normally Open-Brown.

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