Discharge Pipe and Pressure Tank Connections 6
PRE-CHARGE TANK CONNECTION
(Figure 4)
Step 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.
Step 2. Run a pipe or reinforced hose from one arm of
the first tee to the port on the pre-charged tank.
Step 3. Connect the other end of the discharge tee to
your plumbing system.
Step 4. 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.
Congratulations! You have just completed the
tank connection for your jet pump.
Please go to Pages 7 and 8 for electrical hookup.
STANDARD TANK CONNECTION
(Figure 5)
Step 1. Install one tee in the pump discharge port (see
Figure 5).
Step 2. 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.
Step 3. Remove the 1/8” NPT pipe plug from the pump Air
Volume Control (AVC) port (see Figure 5). Run tub-
ing from the pump’s AVC port (see Figure 5) to the
port on the AVC mounted on the tank. See instruc-
tions provided with tank and AVC for details. AVC
port location will vary, depending on your pump
model (see exploded views, Page 10).
Congratulations! You have just completed the
tank connection for your jet pump.
Please go to Pages 7 and 8 for electrical hookup
Figure 4: Pre-charged Tank Connections
Figure 5: Standard Tank Connections
Sealing Pipe Joints
Use only Teflon tape or Teflon based joint com-
pounds 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.
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