The model vsr s is a vane type waterflow switch for use on wet sprinkler systems that use 1 25mm 1¼ 32mm 1½ 38mm or 2 50mm pipe size. The vsr contains two single pole double throw snap action switches and an adjustable instantly recycling pneumatic retard.

Fire Alarm Flow Switch Wiring Diagram Fire By Jules Bartow
Potter vsr flow switch wiring diagram. The model vsr st is a vane type waterflow switch for use on wet sprinkler systems that use 1 1 14 1 12 or 2 pipe sizes. The unit contains two single pole double throw snap action switches and an adjustable instantly recycling pneumatic. The model vsr is a vane type waterflow switch for use on wet sprinkler systems. The cover is held in place with two tamper resistant. Canada the model vsr is a vane type waterflow switch for use on wet sprinkler systems. This video demonstrates how to properly wire a vsr at autotest flow switch.
It is equipped with a union to accommodate installation in confined spaces. The unit may also be used as a sectional waterflow detector on large systems. The flow condition must exist for a period of time necessary to overcome the selected retard period. The switches are actuated when a flow of 38 lpm 10 gpm or more occurs downstream of the device. Wiring both switches from one conduit entrance. Switches are actuated when a flow of 10 gpm 38 lpm or more occurs.
Break out thin section of cover when wiring both switches from one. It is ul the switches are actuated when a flow of 10 gpm 38 lpm or more occurs. 19082018 19082018 5 comments on potter vsr flow switch wiring diagram potter electric signal company llc st. The switches are actuated when a flow of 10 gpm 38 lpm or more occurs downstream of the device. The vsr may also be used as a sectional waterflow detector on large systems. The unit contains two single pole double throw snap action switches and an adjustable instantly recycling pneumatic retard.
A minimum flow of 10 gpm 38 lpm is required to activate this device. An adjustable instantly recycling pneumatic retard. Enclosure the vsr s eu switches and retard device are enclosed in a general. The vsr switches and retard device are enclosed in a general purpose die cast housing. Potter vsr flow switch wiring diagram. 800am 500pm cdt.
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