SEP4, SEP5,
SEP6 and SEP8
Operating Instructions & Parts Manual
Please read and save these instructions. Read carefully before attempting to assemble, install, operate or
maintain the product described. Protect yourself and others by observing all safety information. Failure to
comply with instructions could result in personal injury and/or property damage! Retain instructions for future
reference.
Sewer Ejector
Pump
EQUIPMENT PROBLEMS. To help
recognize this information, observe the
following symbols:
GENERAL SAFETY INFORMATION
Description
Do not
use to
The submersible pump is designed
for home applications. The unit is
equipped with a 3-prong grounding
type power cord. Motor is oil-filled and
sealed for cooler running and designed
to operate under water. This pump is
not suitable for aquatic life, ponds or
fountains.
pump flammable or explosive
fluids such as gasoline, fuel
oil, kerosene, etc. Do not
use in a flammable and/or explosive
atmosphere. Personal injury and/or
property damage could result.
Danger indicates an
imminently
hazardous situation which, if not avoided,
WILL result in death or serious injury.
Warning indicates a
potentially
hazardous situation which, if not avoided,
COULD result in death or serious injury.
Caution indicates a
potentially
hazardous situation which, if not avoided,
MAY result in minor or moderate injury.
Notice indicates
important
information, that if not followed, MAY
This pump is
not designed
Unpacking
to handle salt water, brine, laundry
discharge or any other application
which may contain caustic chemicals
and/or foreign materials. Pump damage
could occur if used in these applications
and will void warranty.
Inspect this unit before it is used.
Occasionally, products are damaged
during shipment. If the pump or
components are damaged, return
the unit to the place of purchase for
replacement. Failure to do so could
result in serious injury or death.
All wiring must be
performed by a
cause damage to equipment.
qualified electrician.
General Safety
Information
If
the
Important Safety
Instructions
basement has water or
moisture on the floor, do not
walk on wet area until all
power is turned off. If the shut-off box
is in the basement, call an electrician.
Remove pump and either repair or replace.
Failure to follow this warning could result
in fatal electrical shock.
CALIFORNIA PROPOSITION 65
READ AND FOLLOW ALL INSTRUCTIONS
This product or
its power cord may
contain chemicals known to the State
of California to cause cancer and birth
defects or other reproductive harm.
Wash hands after handling.
Safety Guidelines
This manual contains information
that is very important to know and
understand. This information is
provided for SAFETY and to PREVENT
Specifications
Power supply requirements
SEP4 . . . . . . . . . . . . . . . . . . . . . . . . 120V, 60 hz
SEP5, SEP6, and SEP8 . . . . . . . . . . 240V, 60 hz
Motor . . . . . . . . . . . . . . . . . . . . . . . . Single phase, oil filled
Horsepower/Current
Construction
Motor housing . . . . . . . . . . . Cast Iron
Volute . . . . . . . . . . . . . . . . . . Cast Iron
Impeller. . . . . . . . . . . . . . . . . Cast Iron
Shaft . . . . . . . . . . . . . . . . . . . Low carbon steel
Seals. . . . . . . . . . . . . . . . . . . . Buna N
Discharge . . . . . . . . . . . . . . . 3 in. NPT
SEP4 . . . . . . . . . . . . . . . . . . . . . . . . 1/2 HP, 12A @ 115VAC
SEP5 . . . . . . . . . . . . . . . . . . . . . . . . 3/4 HP, 7A @ 230VAC
SEP6 . . . . . . . . . . . . . . . . . . . . . . . . 1 HP, 8.5A @ 230VAC
SEP8 . . . . . . . . . . . . . . . . . . . . . . . . 2 HP, 12A @ 230VAC
Liquid temperature range . . . . . . . 40°F to 120°F
Circuit requirements . . . . . . . . . . . . 15 amps (min)
Dimensions. . . . . . . . . . . . . . . . . . . . . . 11 1/2 in. high x 9 3/4 in. base
2 in. NPT (Adapter included)
REMINDER: Keep your dated proof of purchase for warranty purposes!
Attach it to this manual or file it for safekeeping.
For parts, product & service information
© 2009 Wayne Water Systems
332200-001 2/09
visit www.waynepumps.com
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Operating Instructions and Parts Manual
6. Drill a 1/8 in. hole in the discharge
pipe 1 to 2 inches above the flange.
This will prevent air locking and loss
of prime at startup. A gate valve
should be installed in the system
after the check valve. This gate valve
should be a full port valve which
will pass 2 in. solids or as required by
state and local codes. The gate valve
permits removal of the pump and/
or the check valve for servicing (and
will minimize back-flow mess).
power cords will be brought through
the appropriate openings in the
basin cover. Do not modify existing
openings in any way.
Installation (Continued)
INSTALLATION BASICS:
1. NEVER lift this product by the
electrical cords.
All sewage basins
must be vented
2. Install pump in a sewage pit
that fulfills the minimum size
requirements (24 in. minimum).
Construct sump pit of tile, concrete,
steel or plastic. Do not install a pit
smaller than recommended.
to prevent a build-up of methane gas.
Consult your local codes for proper
venting. DO NOT install venting in
locations classified as hazardous in
accordance with the National Electrical
Code NFPA 70.
3. The unit should be located and
rest on a solid, level foundation.
Do not place pump directly on clay,
earth, gravel or sandy surface. These
surfaces contain small stones, gravel,
sand, etc. that may clog or damage
the pump and cause pump failure.
Operation
7. (OPTIONAL) Install a union between
the check valve and the pump so the
pump can be removed with the least
amount of disturbance of the piping.
Always
disconnect
the power source before
attempting to install, service,
relocate or maintain the
pump. Never touch sewage pump, pump
motor, water or discharge piping when
pump is connected to electrical power.
Never handle a pump or pump motor
with wet hands or when standing on
wet or damp surface or in water. Fatal
electrical shock could occur.
8. Connect 2 in. rigid pipe to check
valve.
Flood risk. If
flexible discharge
Support pump
and piping when
hose is used, make sure pump is secured
in sewage pit to prevent movement.
Failure to secure pump could allow pump
movement and switch interference and
prevent pump from starting or stopping.
assembling and after installation.
Failure to do so could cause piping to
break, pump to fail, etc. which could
result in property damage and/or
personal injury.
1. Verify pump and switch operate
within the basin.
4. Thread the discharge pipe or pipe
nipple into the discharge flange
connection.
9. Protect electrical cord from sharp
objects, hot surfaces, oil and
Risk of electrical
shock! This pump
is supplied with a grounding conductor
and grounding type attachment plug.
Use a grounded receptacle to reduce the
risk of fatal electrical shock.
chemicals. Avoid kinking the cord and
replace damaged cords immediately.
5. A check valve MUST be used in a
solids-handling system. Mount the
check valve in a horizontal position
or at a 45º angle with the valve pivot
on top. In a vertical position, solids
tend to lodge on the valve flapper
and can prevent it from opening.
IMPORTANT: Make sure there is
adequate room for tether switch to
swing freely during operation.
Never cut off the round grounding
prong. Cutting the cord or plug will
void the warranty and make the pump
inoperable.
10.A pit cover must be installed to
prevent debris from clogging or
damaging the pump. All piping and
2 in. Discharge
pipe
Upper level drainage
Cleanout
Vent pipe
Main waste line to
sewer or septic tank
2 in. gate valve
Dryer
Washer
Laundry tubs
2 in. Check
valve
Lavatory
Shower
Three prong
grounded
outlet
45°
Elbow
equipped
with a
Union
ground fault
interruptor
Pump
Float Switch
Floor drain
Washer drain
Flange
Figure 4 - Typical Installation
3
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Operating Instructions and Parts Manual
2. Disassembly of the motor prior to
expiration of warranty will void the
warranty. If repairs are required, see
troubleshooting chart.
Operation(Continued)
2. With the cover removed, add water
to the basin and observe the float
control switch operation.
Maintenance
Always disconnect
the electrical
supply before attempting to install,
service, relocate or perform any
maintenance. If the power source is out
of sight, lock and tag in the open (off)
position to prevent unexpected power
application. Failure to do so could result
in fatal electrical shock. Only qualified
electricians should repair this unit.
Improper repair could result in fatal
electrical shock.
3. Inlet should be kept clean and free
of all foreign objects and inspect
annually. A clogged inlet will
damage pump.
3. Also, test alarm switch if installed.
4. Secure and seal basin cover.
4. Pump should be checked monthly
for proper operation.
Do not run your pump in a dry sump.
This pump contains
dielectric oil for
cooling. This oil can be harmful to
the environment. Check the state
environmental laws before disposing
this oil.
Do not attempt to
oil the motor. A
special oil has been put in the motor
housing at the factory. Use of any other
oil could damage the pump and WILL
void the warranty.
1. Let the pump cool for a minimum of
two hours before servicing because
the pump contains hot oil under
pressure and the motor is hot.
Pump #1
Discharge
Pump #2
Discharge
On Level
High Water Level
Low Water Level
Alarm
Level
Off Level
Figure 6 - Duplex System
Figure 5 - Simplex System
4
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Operating Instructions and Parts Manual
Troubleshooting Chart
Symptom
Possible Cause(s)
Corrective Action
Pump will not start or run
1. Blown fuse, tripped breaker
2. Low line voltage
1. If blown, replace with proper sized fuse or reset breaker
2. If voltage is under 108 volts, check wiring size
3. Replace pump
3. Defective motor
4. Defective float switch
5. Stuck/ jammed impeller
4. Replace float switch
5. If impeller will not turn, remove housing and remove
blockage
6. Float obstructed
6. Make sure float(s) move freely up and down
1. Install or replace check valve
Pump starts and stops too
often
1. Back-flow of water from
piping
2. Replace float switch
2. Faulty float switch
Pump will not shut off or
thermal protector turns off
1. Defective float switch
2. Obstacle in piping
3. Float obstructed
4. Low line voltage
1. Replace float switch
2. Remove pump and clean pump and piping
3. Make sure float move freely up and down
4. If voltage is under 108 volts, check wiring size
5. Too many appliances on
circuit
5. Install pump on dedicated circuit. IMPORTANT: Do not
use extension cord to power pump.
Pump operates but delivers
little or no water
1. Plugged impeller
1. Clean out impeller
2. Check valve installed
backwards
2. Reverse position of check valve
3. Pump air locked
3. Check the 1/8 in. hole in discharge line between
pump and check valve; it should be 1 in. to 2 in. above
discharge flange and before the check valve
5
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Operating Instructions and Parts Manual
For Replacement Parts or Technical Assistance,
Call 1-800-237-0987
Please provide following information:
- Model number
Address any correspondence to:
Wayne Water Systems
- Serial number (if any)
101 Production Drive
- Part description and number as shown in parts list
Harrison, OH 45030 U.S.A.
1
2
3
4
5
6
22
7
8
21
20
9
19
18
17
10
16
15
14
13
12
11
Ref.
Ref.
No. Description
Part Number Qty
No. Description
Part Number Qty
1
2
3
4
Pipe plug 1/4 in. NPT
Lifting eye
Motor
Reducer bushing 3 in. NPT -
2 in. NPT
1/2 - 13 UNC x 2 1/4 Hex head
Discharge flange 3 in.
3 in. Discharge gasket
Washer
1/2 - 13 UNC Hex nut
Volute
Volute wear ring
Impeller
16314
23124
SEE CHART
1
1
1
18
19
20
21
22
Motor housing
3/8 - 16 UNC x 1 1/4 Socket head 16798
1/2 -13 UNC x 2 1/4 Hex head
Screw, 10 - 24 x 1/2
Power supply cord
1/2 HP
3/4 HP - 2 HP
Locking cable tie (not shown)
Dielectric oil - 1 gallon
(not shown)
41048-001
1
3
4
2
16636
67050-001
17436-001
16636
23100
23102
16635
16637
56603
23112
SEE CHART
16735
1
2
1
1
4
2
1
1
1
1
1
1
1
5
6
7
8
31036-001
31036-002
17182-003
1
1
3
23
24
56435
1
9
10
11
12
13
14
15
16
17
MOTOR / IMPELLER CHART
HP Motor Part Number
Impeller Part
Number
84341
84342
84343
84345
Volute gasket
Shaft seal kit
Seal plate
Cover gasket
1/2 3710-004
3/4 3710-005
1
2
56884-002
56604
16855
3710-006
3710-008
Capacitor
3/4 HP to 2 HP
1/2 HP only
23126
23126-002
1
1
6
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Operating Instructions and Parts Manual
Notes
7
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Operating Instructions and Parts Manual
Limited Warranty
For one (1) year from the date of purchase, Wayne Water Systems will repair or replace, at its option, for the original purchaser
any part or parts of its Sump Pumps or Water Pumps (“Product”) found upon examination by Wayne Water Systems to be
defective in materials or workmanship. Please call Wayne Water Systems (1-800-237-0987) for instructions or see your dealer.
Be prepared to provide the model number and serial number when exercising this warranty. All transportation charges on
Products or parts submitted for repair or replacement must be paid by purchaser.
This Limited Warranty does not cover Products which have been damaged as a result of accident, abuse, misuse, neglect,
improper installation, improper maintenance, or failure to operate in accordance with Wayne Water System’s written
instructions.
THERE IS NO OTHER EXPRESS WARRANTY. IMPLIED WARRANTIES, INCLUDING THOSE OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE, ARE LIMITED TO TWO YEARS FROM THE DATE OF PURCHASE. THIS IS THE EXCLUSIVE
REMEDY AND ANY LIABILITY FOR ANY AND ALL INDIRECT OR CONSEQUENTIAL DAMAGES OR EXPENSES WHATSOEVER
IS EXCLUDED.
Some states do not allow limitations on how long an implied warranty lasts, or do not allow the exclusions or limitations of
incidental or consequential damages, so the above limitations might not apply to you. This limited warranty gives you specific
legal rights, and you may also have other legal rights which vary from state to state.
In no event, whether as a result of breach of contract warranty, tort (including negligence) or otherwise, shall Wayne Water
Systems or its suppliers be liable for any special, consequential, incidental or penal damages including, but not limited to
loss of profit or revenues, loss of use of the products or any associated equipment, damage to associated equipment, cost of
capital, cost of substitute products, facilities, services or replacement power, downtime costs, or claims of buyer’s customers for
such damages.
You MUST retain your purchase receipt along with this form. In the event you need to exercise a warranty claim, you MUST
send a copy of the purchase receipt along with the material or correspondence. Please call Wayne Water Systems (1-800-237-
0987) for return authorization and instructions.
DO NOT MAIL THIS FORM TO WAYNE WATER SYSTEMS. Use this form only to maintain your records.
MODEL NO. ____________________
SERIAL NO. ____________________
INSTALLATION DATE ____________________
ATTACH YOUR RECEIPT HERE
8
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