4
HALLMARK INDUSTRIES INC
Shallow Well Jet Pumps
624 Estes Ave, Schaumburg, IL 60193, USA
Discharge
Pipe and Pressure Tank Connections
Pre-Charge Tank Connection
(Figure 4)
To Household
Water System
1.
Install two tees in the pump discharge port (see Figure 4). The pipe size
must be at least as large as the discharge port.
Run a pipe or reinforced hose from one arm of the first tee to the port
on the pre-charged tank.
Connect the other end of the discharge tee to your plumbing system.
Cap the tee with a threaded plug or a pressure gauge.
Check the pre-charge of air in the tank with an ordinary tire gauge. The
pre-charge should be 2 PSI less than the cut-in setting of the pump
’s
pressure switch. The pre-charge is measured when there is no water
pressure in the tank. Your new pump has a 30/50 PSI switch, so adjust
the tank pre-charge pressure to 28 PSI.
Pump Priming
Tee with Plug
or Gauge
2.
3.
From
Well
Pressure
Switch
4.
Congratulations! You have just completed the tank connection for your jet
pump. Please go to Page 5 for electrical hookup.
Standard Tank Connection
(Figure 5)
1.
2.
Install one tee in the pump discharge port (see Figure 5).
Run a pipe from the pump discharge port to the inlet port of your tank.
The pipe size must be at least as large as the discharge port.
Install a tee in the suction pipe near the pump. Install a reducer bushing
down to
1/8” NPT in the tee. Run tubing from the tee to the port on the
AVC mounted on the tank. Seal all pipe joints with T
eflon™ tape. See
instructions provided with the tank and the AVC for details.
Figure 4: Pre-charged Tank Connections
3.
Congratulations! You have just completed the tank connection for your jet
pump. Please go to Page 7 for electrical hookup.
To Household
Water System
Air Volume
Control
Pump Priming
Tee and Plug
Pressure or Gauge
Air Volume
Control Tube
Switch
From
Well
Figure 5: Standard Tank Connections
Sealing Pipe Joints
Use only
1
Teflon
™ tape or Teflon™ based joint compounds for
making all threaded connections to the pump itself.
Do not
use pipe joint compounds on plastic pumps:
they can react
with the plastic in pump components. Make sure that all pipe
joints in the suction pipe are air tight as well as water tight.
If
the suction pipe can suck air, the pump will not be able to pull
water from the well.
1
E. I. DuPont de Demours and Company Corporation, Delaware
HALLMARK
INDUSTRIES
INC.
