Simer Pumps 3305P User Manual download pdf (Page 8)

Discharge Pipe and Pressure Tank Connections 8

PRE-CHARGE TANK CONNECTION

(Figure 12)

1. Install a close nipple and a tee in the pump discharge

port (see Figure 12). The pipe size must be at least as

large as the discharge port. Run a pipe or reinforced

hose from one arm of the tee to the port on the pre-

charged tank.

2. Install a second close nipple and tee with a relief

valve in the tee.

3. Connect the other end of the second discharge tee to

your plumbing system.

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.

You have just completed the tank connection for your

jet pump. Please go to Pages 9 and 10 for electrical

hookup.

STANDARD TANK CONNECTION

(Figure 13)

1. Install a close nipple and a tee in the pump discharge

port. Mount a relief valve in one arm of the tee.

2. Install a second close nipple and tee in the open arm

of the first tee. Put a priming plug in one arm of the

second tee.

3. Run a pipe from the open arm of the second tee to

the inlet port of your tank. The pipe size must be at

least as large as the pump

discharge port.

4. Remove the 1/8" NPT pipe plug from the pump Air

Volume Control (AVC) port (see Figure 13). Run tub-

ing from the pump’s AVC port to the port on the AVC

mounted on the tank. See instructions provided with

tank and AVC for details.

You have just completed the tank connection for your

jet pump. Please go to Pages 9 and 10 for electrical

hookup.

268 0395

To Household

Water System

Pressure Gauge

and Priming

Plug

Pressure

Switch

From

Well

Relief

Valve

For parts or assistance, call Simer Customer Service at 1-800-468-7867 / 1-800-546-7867

To Household

Water System

Pressure

Switch

From

Well

Air Volume

Control

Air Volume

Control Tube

Priming Tee

and Plug

276 0395

Relief Valve

Figure 12: Pre-charged Tank Connections

Figure 13: 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.

the suction pipe can suck air, the pump will not be

able to pull water from the well.

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Simer Pumps 3305P User Manual Page 8

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