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5. After the pump is primed and operate at a steady high
pressure, open two or more faucets and slowly
unscrew the flow control screw and pay attention to
the pressure on the pressure gauge until the pressure
value reaches the requirements of the following table.
This pressure will be minimum operating pressure.
The pressure value diverts the proper amount of water
to operate the ejector.
Adjust the Pressure control valve to the pressure listed in the chart below
HP
Operating Pressure Setting
3/4
1
The correct Pressure control valve setting will depend on the type of well installation and pressure switch setting for
the particular pump.
6. If pressure falls completely, retighten the flow control screw and readjust it according to step 5.
NOTE: If the pump is being used for shallow well applications, the flow control screw should be set in the full open
position.
IMPORTANT: If you don't have water after 2 or 3 minutes, Turn power off at the breaker box. Look for leaks or a milky
color in the discharged water, which indicates an air leak. All connections must be water and air tight in order for pump to
operate. Re-prime if necessary, following steps 1 through 6 above.
Notes: If the pump has not been used for some time, be sure there is water in the pump housing (volute) and the piping
to the well.
CARE AND MAINTENANCE
WARNING: Disconnect power and release all pressure from the system before attempting to install, service, relocate or
perform any maintenance.
Winterizing
CAUTION: Drain the entire system if there is danger of
freezing. A drain plug is provided at the bottom of the pump
case for this purpose
Drain openings are provided on all models to drain the pump:
Unplug the pump from power supply outlet.
Remove drain plug close to the inlet hole.
Drain all piping to a point below the freeze line. This will
drain the pump.
NOTE: While this will drain the pump, it will not necessarily drain all the unprotected parts of the piping system. To drain
tank, disconnect the piping at the tank outlet.
SEAL ASSEMBLY REPLACEMENT
CAUTION: Make certain that the power supply is disconnected before attempting to service the unit! The rotary
seal assembly must be handled carefully to avoid damaging the precision lapped faces of the sealing
components.
1. Disengage pump body (Ref. No. 12) from motor mounting ring (Ref. No. 15).
2. Remove diffuser (Ref. No. 6).
3. Remove the rear cover(Ref. No. 17) .Remove the impeller(Ref. No. 5) use a 9/16" open end wrench to hold the motor
shaft.
4. The rotary seal (Ref. No. 4) will come loose at this time. Use a screwdriver (or similar instrument) to pry the silicon
carbide seal from the recess of the Seal plate (Ref. No. 2). Be careful not to damage the motor shaft or recess
surface.
For Professional Technical Support call 1-844-242-2475
33 PSI
35PSI
15
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