The Gard-it switch is wired in series with a conventional pressure switch. If pump loses it's prime the system pressure will fall considerably below the cut-in point of the regular pressure switch. Gard-it will disconnect the pump motor. The system is placed in automatic operation by depressing the manual reset lever until the system pressure exceeds the Gard-it cut-off level
Specifications
Standard setting: 12 PSI cut-off
Range: 3 to 20 PSI
Bottom connection: 1/4 FNPT (Female pipe thread)
Main spring adjustment:
Turn clockwise to increase cut-off pressure.
Turn counter-clockwise to decrease.
Capacity:
1-1/2 HP @ 120 Volts
2 HP @ 230 volts single phase
2 HP @ 230 volts three phase
1 HP @ 230 volts three phase
1/4 HP @ 120 volts DC
1/4 HP @ 32 volts DC
Installation For Lost Of Prime Protection:
Mount Gard-it Switch to the pump discharge line.
Connect the "load" terminals on the Gard-it Switch to the "line" terminals on the pump pressure switch.
Connect incoming power lines to the "line" terminals on the Gard-it Switch
Hold down the manual lever on the Gard-it switch until the pump is primed and the system pressure exceeds 12 PSI.
Questions & Answers
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