Geotech PRS Installation And Operation Manual page 16

The pumping rate may be reducing the system air pressure. 45 PSI
(3 bar) minimum to 60 PSI (4 bar) is required to operate bladder
pump.
Tankfull Shut-off Sensor

A minimum of 45 PSIG (3 bar) air pressure is required for operation.

When liquid level rises 11" (28 cm) up the pressure tube, the valve closes shutting off
compressed air to the system.

When an alarm is triggered the recovery tank must be emptied. Once the recovery
tank is drained, a manual reset on the control panel is required to resume system
operation.
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