4
© Copyright 2015 Zoeller
®
Co. All rights reserved.
PUMP INSTALLATION
IL0237
1
10
7
8 9 5 6
4
2
5
Single Pipe Well
Drive Point
1 Air-E-Tainer Tank
2 Pressure Switch
3 Shallow Well Ejector
4 Elbow
5 Suction Pipe
6 Check Valve
7 Union
8 Tee
9 Plug
10 Well Seal
11 Well Casing
12 Drive Point
13 Foot Valve
7
8
9
11
5
13
12
Figure 3 — Shallow Well with Air-E-Tainer Tank, Single Pipe or
Drive Point
PRESSURE TANK HOOKUP
1. Conventional pressure tanks require an air volume control to
insure the proper air to water ratio in the pressure tank. On
shallow well installations, the air volume control tubing is
connected to the 1/4” tapping on the side of the ejector (Figure 4).
2. Air-E-Tainer tanks are equipped with a diaphragm or bladder
that keeps the air and water from mixing. Since these tanks are
factory precharged with air, an air volume control is not required.
3. To check tank air pressure, use a good tire pressure gauge. Do
not add air to tank unless tank is empty of water.
4. On vertical tank installation where the pump is offset from the
tank, galvanized steel or plastic pipe can be used to connect the
pump to the tank. To assist in servicing, place shut-off valve and
union in line as shown in Figure 4.
IL0372
Air Volume Control
Nipple
House Water Supply
Shut Off Valve
Tee
Nipple - 3/4” NPT
Plug
Tee
To Well
Union
Suction Pipe
1-1/4” NPT
Air Volume
Control Line
Elbow
Union
Figure 4
5.
NOTE: DO NOT install a check valve between pump and
pressure tank. This will cause the pressure switch to
malfunction.
WIRING
1. The motor is suitable for use with 60 Hz A.C. current only. The
motor is dual voltage and may be field connected for either 115V
or 230V field service. The unit is factory connected per the label
on the pump motor next to the power cord.
NOTE:
See the following wiring diagram or the motor nameplate if a
change is required. Always use the higher voltage where possible.
IL0180
NOTE:
Dual voltage motor, change the red and gray wire to voltage
required.
Figure 5 — Dual Voltage Wiring Diagram
2. To change voltage, remove the rear access cover of the motor,
which is held in place with two (2) screws. Change the red and
gray wire on the transfer switch board to the voltage required.
Replace rear access cover before starting or
operating pump. Failure to do so can result in personal injury.
3. Your pump motor has a built-in thermal overload that protects the
motor against burnout from overload of low voltage, high voltage
and other causes. The device is automatic and resets itself once
the temperature has dropped to a safe point. Frequent tripping
of the device indicates trouble in the motor or power lines and
immediate attention is needed.
CAUTION
Never examine, make wiring changes or
touch the motor before disconnecting the main electrical supply
switch. The thermal device may have opened the electrical
circuit.
4. Undersize wiring can cause motor failure (low voltage), frequent
cut-out of motor overload protector, television interference and
even fire. Make certain the wiring is adequately sized (Chart 2),
well insulated and connected to a separate circuit outside the
house in case of fire. For added safety, the pump and motor
should be securely grounded to the well casing or to a separate
ground rod driven eight (8) feet into the ground. Consult local
codes before attempting a wiring installation.
5. When fusing the pump service entrance box, consult Chart 2 for
proper fuse size. Consult local codes before attempting a wiring
installation. Use only the fuse that is stipulated for your particular
installation. Never use one larger. Service should never be
reinstated to the pump motor by attempting to circumvent a blown
fuse by any other means.
6. The pressure switch is wired to the motor by connecting the
motor lead to the two (2) inside terminals of the pressure switch.
Connect the power lines to pressure switch terminals marked L-1
and L-2.
3
115 Volts
Single Phase
230 Volts
Single Phase
LINE
LINE
L1
L1
L2
L2
A
A
B
B
Y
E
L
L
O
W
Y
E
L
L
O
W
W
H
I
T
E
W
H
I
T
E
G
R
A
Y
G
R
A
Y
R
E
D
R
E
D
T
A
N
T
A
N
