P a g e
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Usage
To begin pumping of LPG gasses open the valves on the inlet side the pump, then the valve on the outlet
side of the pump. Activate switch to start motor. When motor activates it should reach operational
speed (1800RPM) relatively quickly. If motor/pump seems to be operating slowly or struggling to
achieve speed in a timely manner, stop the pump and check outlet pressures/outlet blockages
preventing the pump from starting.
Once the pump is running it is important to monitor the pump to ensure it stays within operational
boundaries regarding temperature, pressure, and pressure differential.
Temperature:
Inlet temperature should not exceed 104°F
Outlet temperature should not exceed 266°F
Pressure:
Outlet pressure should not exceed 150psi
Outlet pressure is limited by a recirculating pressure safety valve. If pressures are continuously at or
near 150psi the pump will not operate with any efficiency. In normal operation pump should not be
continuously run above 100psi for a long period of time.
Pressure Differential (PMP-04 The Prodigy Only)
Because the Prodigy pump is only single stage compression, it should not be continuously run above 4x
pressure differential for a period greater than 60 minutes or run above 8x pressure differential ever.
For example, if inlet pressure on the pump is 20psi, outlet should be limited to 80psi for continuous use
or a maximum of 150psi for no more than 60 minutes.
If inlet pressure is vacuum (-14.5psi) outlet of pump should be limited to 43.5psi for continuous use or a
maximum of 101.5 psi.
In the event differential pressure is exceeding limitations, stop the pump and remedy the pressure
differential. This can be done by either increasing the pressure at the inlet (heating/evaporating gasses
more quickly), or by decreasing the pressure at the outlet (bleeding pressure or cooling the outlet vessel
to a lower temperature).
