Wayne CDU980E User manual

Sump, Effluent and Sewage pumps
INSTALLATION MANUAL
Read and save these instructions. This manual contains very important Safety Warnings and Operating Instructions. You will need
to refer to it before attempting any installation or maintenance. Always keep this manual with the unit so that it will be easily
accessible. Failure to read and follow these warnings and instructions could result in property damage, serious injury or death.
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DESCRIPTIONS
SUMP PUMPS
Sump pumps are automatic pumps used to remove ground
water from sump pits. The most common application is for
basement drainage to prevent flooding in residential
buildings. These sumps are designed to pump clear water
only.
EFFLUENT PUMPS
Effluent pumps are pumps used to remove grey water from
septic tanks, sump pits or laundry tray systems. Grey water
is waste water from bathtubs, sinks, washing machines, and
other kitchen appliances. The pumps are designed to pass
solids 1/2 to 3/4 inches in diameter.
SEWAGE PUMPS
Sewage pumps are pumps used to remove waste water that
contains solids up to 2 inches in diameter. The most
common application is for draining bathroom waste water to
a sewer or septic line.
IMPORTANT SAFETY INFORMATION
WARNING INDICATES A POTENTIALLY HAZARDOUS
SITUATION WHICH, IF NOT AVOIDED, COULD RESULT
IN DEATH OR SERIOUS INJURY.
RISK OF ELECTRIC SHOCK. TO REDUCE THIS
RISK, OBSERVE THE FOLLOWING WARNINGS:
MAKE SURE THERE IS A PROPERLY GROUNDED
RECEPTACLE AVAILABLE. This pump is supplied with a
grounding conductor and grounding-type attachment plug. To
reduce the risk of electric shock, be certain that it is connected
only to a properly grounded, grounding-type receptacle.
NEVER REMOVE THE GROUND PRONG from the plug or bypass
the grounding wires.
FOR ADDED SAFETY the receptacle should be protected with
a ground fault circuit interrupter (GFCI). All wiring must be
performed by a qualified licensed electrician and comply with the
National Electric Code and all applicable local codes and
ordinances.
DO NOT REMOVE POWER SUPPLY CORD and strain relief or
connect conduit directly to the pump.
MAKE SURE THE POWER SUPPLY HAS A FUSE OR
CIRCUIT BREAKER rated to handle the current (amps) noted
on the pump nameplate or cordtag.
© 2016
UNPACKING
Inspect your pump. Occasionally, products are damaged during
shipment. If the unit is damaged, contact our Customer Service
department at the number listed on the parts and warranty
sheet.
READ & FOLLOW ALL INSTRUCTIONS SAVE THESE
INSTRUCTIONS —DO NOT DISCARD
SAFETY GUIDELINES
This manual contains information that is very
important to know and understand. This information is
provided for SAFETY and to PREVENT EQUIPMENT
PROBLEMS. To
help recognize this information, observe all safety
information labeled danger, warning, caution, and notice.
DO NOT USE AN EXTENSION CORD. Extension cords could
present a safety hazard if not sized properly, become damaged
or the connection falls into the sump. If receptacle is not within
reach of the pump’s power cord, contact a qualified licensed
electrician to install a new receptacle.
ALWAYS DISCONNECT THE PUMP from power supply before
installing, servicing or making any adjustments.
DO NOT SUBMERGE PEDESTAL MOTOR or allow motor to be
exposed to water.
DO NOT WALK on the floor when water is present until all power
is turned off. If the electric panel is in the basement, call an
electrician.

INSTALLATION MANUAL
2
NEVER HANDLE A PUMP or motor with wet hands or when
standing on a wet or damp floor while the pump is plugged into
the power supply.
WASH HANDS AFTER HANDLING. According to the state of
California (Prop 65), this product may contain chemicals known
to the state of California to cause cancer and birth defects or
other reproductive harm.
RISK OF ELECTRIC SHOCK. This pump has not been
investigated for use in swimming pool and marine areas.
DO NOT USE TO PUMP FLAMMABLE OR EXPLOSIVE
FLUIDS such as gasoline, fuel oil, kerosene, etc. Do not use in a
flammable and/or explosive atmosphere. Pump should only be
used to pump clear water. Personal injury and/or property
damage could result.
PUMPS ARE NOT DESIGNED TO TRANSFER WATER
INTENDED FOR DRINKING. Do not use the pump for moving
water that will be used for potable/drinking water. Pump
should onlybe used in applications for which it is designed.
2000 03 -015 2/16
CAUTION INDICATES A POTENTIALLY HAZARDOUS
SITUATION WHICH, IF NOT AVOIDED, MAY RESULT
IN MINOR OR MODERATE INJURY.
TO REDUCE THE RISK OF HAZARDS THAT CAN
CAUSE INJURY OR PROPERTY DAMAGE,
OBSERVE THE FOLLOWING WARNINGS:
IT IS RECOMMENDED TO USE A CHECK VALVE with this pump
to prevent the back-flow of fluid after each pump cycle.
DO NOT INSTALL OR OPERATE THE PUMP IF IT HAS BEEN
DAMAGED IN ANY WAY.
DO NOT LIFT OR CARRY THE PUMP BY THE POWER CORD.
Use the pump’s handle.
IF THIS PUMP CONTAINS A SWITCH FOR AUTOMATIC
OPERATION, IT IS THE INSTALLER’S RESPONSIBILITY TO
MAKE SURE THE SWITCH IS ABLE TO OPERATE WITHOUT
ANY OBSTRUCTIONS WITHIN THE BASIN. It is
recommended that the installer test and observe the pump’s
operation for several cycles after installation.
DO NOT USE THIS PUMP IN MUD, SAND, CEMENT, OIL OR
CHEMICALS.
DO NOT USE SUMP AND EFFLUENT PUMPS TO HANDLE
RAW SEWAGE.
IT IS RECOMMENDED TO USE RIGID PIPING AND FITTINGS
to secure the pump in the basin and reduce pump movement.
Pump movement can prevent the switch from operating
correctly.
AN INDEPENDENT HIGH WATER ALARM OR BACK UP PUMP
SHOULD BE USED when risk of property damage from high water
levels exists
THIS PUMP SHOULD BE INSPECTED 3 TO 4 TIMES PER
YEAR for pump movement or buildup of debris on the switch or
float. Reposition pump if it has moved. Remove any debris that
could interfere with the operation of the switch.
THE SWITCH SHOULD BE REPLACED EVERY TWO (2)
YEARS. This maintenance will reduce the risk of improper pump
operation, switch failure, or flooding.
TYPICAL SUMP INSTALLATION DIAGRAMS
Figure 1: Submersible Sump
Figure 2: Pedestal Sump

INSTALLATION MANUAL
3
1. GFCI OUTLET 5. PIPE INLET
2. CHECK VALVE 6. DISCHARGE PIPE
3. VENT PIPE 7. SUMP PUMP
4. GASKET/BASIN LID 8. SWITCH (SEE CHART A, ON
PAGE 3)
9. SUMP BASIN
10. FLOAT ROD
11. FLOAT GUIDE
12. SWITCH ARM
TYPICAL SUMP INSTALLATION
1. This installation must be in accordance with the National
Electric Code and all applicable local codes and
ordinances.
2. Use a basin that is large enough to accommodate the
pump. The minimum requirements for the sump pumps
are:
CHART —A
Switch Type
A
Minimum
Basin Diameter
B
Minimum
Basin Height
Tether Float Switch
14 in.
22 in.
Diaphragm Switch
11 in.
22 in.
Vertical Float Switch
11 in.
22 in.
CHART —B
Switch Type
A
Minimum
Basin Diameter
B
Maximum
Basin Height
Pedestal Float Switch
(Figure 2, on page 2)
14 in.
24 in.
3. Clean the basin of all debris.
4. Assemble switch or float if needed. Refer to warranty
and service parts sheet for specific directions.
5. Set the pump on a solid, level surface. Do not place
pump directly on clay, earth, gravel or sand. A brick or
block may be installed under the pump to provide a solid
base.
6. Position pump so the switch is away from the inlet so
switch is clear from incoming water. Verify the switch has
at least 1 in. clearance to the side wall of the basin and is
free to move throughout its movement. If optional control
device or float is used, follow mounting instruction
supplied with device or float.

INSTALLATION MANUAL
4
7. Install discharge plumbing according to local, regional
and state codes. Rigid PVC pipe is recommended.
8. If required, drill 1/8 in. “weep” hole in the discharge pipe 1
in. above the pump discharge. Water stream will be
visible from the hole when the pump is running. The hole
must be cleaned periodically.
9. Install a union to allow for easy removal of the pump for
cleaning or service.
10. Install a check valve (required) to prevent back-flow. The
check valve may be positioned just above the basin to
allow easy removal of the pump for cleaning and service.
11. Install a gate valve or ball valve if required by local,
regional or state code.
12. Secure power supply cord to discharge pipe using cable
or zip ties to prevent possible switch entanglement.
13. Connect pump power supply cord to a ground fault circuit
interrupter (GFCI) receptacle.
14. Fill the basin with water. The pump will start when the
water level has reached the switch-on level.
15. The pump will stop when the water level has reached the
switch-off level.
16. Verify the switch is operating without any obstruction
from the pump, piping and basin.
17. Fill the basin with water again. While the pump is
draining the basin, verify the discharge pipe is carrying
the water to a point at least 3 ft. away from the
foundation. If the discharge line is exposed to freezing
temperatures, the pipe must be positioned in a downward
slope away from the foundation so any remaining water
will drain away and not freeze.
18. Secure the basin cover and gasket to the basin to
prevent debris from falling into the basin, prevent
personal injury, and to contain gases and/or odors.
This pump is not designed to handle salt water, brine,
laundry discharge, water softener, sewage, grey water, 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

INSTALLATION MANUAL
5
TYPICAL EFFLUENT INSTALLATION
1. This installation must be in accordance with the National
Electric Code and all applicable local codes and
ordinances.
2. For sump applications, follow typical sump installation
instructions (page 3). For effluent applications, continue to
step 3.
3. Clean the basin of all debris.
4. Set the pump on a solid, level surface. Do not place pump
directly on clay, earth, gravel, or sand. A brick or block
may be installed under the pump to provide a solid base.
5. Verify the float switch has at least 1 inch clearance to the
side wall of the basin and is free of any possible
obstructions.
6. If optional control device or float is used, follow mounting
instructions supplied with device or float.
7. Install discharge plumbing according to local, regional and
state codes. Do not reduce the discharge pipe size below
that which is provided on the pump.
8. If required, drill a 1/8 in. “weep” hole in the discharge pipe
1 in. above the pump discharge. Water stream will be
visible from the hole when the pump is running. The hole
must be cleaned periodically.
9. Install a union to allow easy removal of the pump for
cleaning and service.
10. Install a check valve (required) to prevent back-flow. It
should be installed above the union.
11. A gate valve or ball valve should be installed above the
check valve as required by local, regional or state codes.
12. Connect remaining discharge pipe. The remainder of the
discharge line should be as short as possible with a
minimum number of turns.
13. Secure power supply cord to discharge pipe using cable
or zip ties to prevent possible switch entanglement.
14. Connect pump power supply cord to a ground fault circuit
interrupter (GFCI) receptacle.
15. Fill the basin with water. The pump will start when the
water level has reached the switch-on level. Verify the
pump is operating normally. If the discharge line is
exposed to freezing temperatures, the pipe must be
positioned in a downward slope away from the foundation
so any remaining water will drain away and not freeze.
16. Secure a basin/tank cover and gasket to the basin to
prevent debris from falling into the basin, prevent personal
injury, and to contain gases and/or odors.
Figure 3: Effluent
Pump in Septic
Tank
12
4 3
6
9
8
7
5

INSTALLATION MANUAL
6
1. Discharge Ou
2. Junction Box
3. Pump/Switch
4. Union
5. Effluent Inlet
6. Switches
tlet Pipe 7. Septic Tank
8. Effluent Pump
Wires 9. Brick or Block
10. Discharge Pipe
Pipe 11. Check Valve
12. Tank Lid
TYPICAL SEWAGE INSTALLATION
1. This installation must be in accordance with the
National Electric Code and all applicable local codes
and ordinances.
2. For sump applications, follow typical sump installation
instructions (page 3). For effluent applications, follow
typical effluent installation instructions (page 4). For
sewege applications, proceed to step 3.
3. Use a basin that is large enough to accommodate the
pump. The basin diameter should be a minimum of 18
inches and the depth a minimum of 24 inches.
4. Clean the basin of all debris.
5. Set the pump on a solid, level surface. Do not place
pump directly on clay, earth, gravel, or sand. A brick or
block may be installed under the pump to provide a
solid base.
6. Position pump in the basin so the switch is away from
incoming water. Verify the float switch has at least 1
inch clearance to the side wall of the basin and is free
of any possible obstructions.
7. Install discharge plumbing according to local, regional
and state codes. Do not reduce the discharge pipe size
below that which is provided on the pump.
8. If required, drill a 1/8 in. “weep” hole in the discharge
pipe 1 in. above the pump discharge. Water stream will
be visible from this hole when the pump is running. The
hole must be cleaned periodically.
9. If optional control device or float is used, follow
mounting instruction supplied with device or float.
10. A union should be installed above the basin to allow
easy removal of the pump for cleaning and service.
11. Install a check valve (required) to prevent back-flow. It
should be installed above the union.
12. A gate valve or ball valve should be installed above the
check valve as required by local, regional or state
codes.
13. Connect remaining discharge pipe. The remainder of
the discharge line should be as short as possible with a
minimum number of turns.
14. A vent pipe is required. It removes gases and odors
and should be installed as required by local, regional or
state codes.
15. Secure power supply cord to discharge pipe using
cable or zip ties to prevent possible switch
entanglement.
16. Connect pump power supply cord to a properly
grounded receptacle.
17. Fill the basin with water. The pump will start when the
water level has reached the switch-on level. Verify the
pump is operating normally.
18. Install a basin cover and gasket to prevent debris from
falling into the basin, prevent personal injury and to
contain gases and odors.

INSTALLATION MANUAL
7
MAINTENANCE
DO NOT SUBMERGE PEDESTAL MOTOR or allow motor to be exposed
ALWAYS DISCONNECT THE PUMP FROM POWER SUPPLY before to water. installing,
servicing or making any adjustments.
3. Submersible pump may contain dielectric oil for cooling. Dielectric oil can be harmful
to the environment. Follow state environmental laws when disposing of oil.
4. The pump motor is equipped with automatic resetting

INSTALLATION MANUAL
8
LET PUMP COOL FOR A MINIMUM OF 2 HOURS BEFORE ATTEMPTING TO thermal protector and may restart unexpectedly.
Protector SERVICE. Submersible pumps contain oil that become pressurized tripping is an indication of motor overloading as a
result of and hot under normal operating conditions. operating the pump at low heads, excessively high or low
1.
2.
Submersible pump models have permanently lubricated
bearings and require no additional lubrication.
The pump should be inspected 3-4 times per year for
pump movement or buildup of debris on the switch or
float. Reposition pump if it has moved. Remove any
debris that could interfere with the operation of the
switch.
voltage, inadequate wiring, incorrect motor conditions,
or a faulty motor or pump.
TROUBLESHOOTING
Symptoms
Possible Cause(s)
Suggested Remedies
1. Water level too low 1. Water must be at the appropriate level to activate switch Pump will not
start or run 2. Blown fuse or tripped circuit breaker 2. If blown, determine cause and then either replace with proper
sized fuse or reset breaker
3. Low line voltage 3. Contact an electrician
4. Motor 4. Replace pump
5. Switch 5. Replace switch
6. Inlet screen clogged6. Remove debris
7. Switch obstruction 7. Remove obstruction to ensure free motion of switch
TROUBLESHOOTING (CONTINUED)
Symptoms
Possible Cause(s)
Suggested Remedies
Pump shuts off
and turns on
independently
of switch (trips
thermal
overload
protection)
1. Excessive water temperature
2. Switch
3. Switch obstruction
4. Obstruction in discharge pipe
5. Low line voltage
1. Pump should not be used for water above
120º F
2. Replace switch
Pump starts and
stops too often
1. Back-flow of water from discharge 1. Install check valve pipe
2. Switch 2. Replace switch
3. Check valve not functioning properly 3. Remove and examine check valve for prop er in stal la tion
and free or leaking operation. Replace check valve if necessary.
DO NOT USE AN EXTENSION CORD. Extension cords could
present a safety hazard if not sized properly, become damaged
or the connection falls into the sump. If receptacle is not within
reach of the pump’s power cord, contact a qualified licensed
electrician to install a new receptacle.

INSTALLATION MANUAL
9
3. Remove obstruction to ensure free motion
of switch 4. Remove obstruction in discharge
piping
5. Contact an electrician.
Pump operates
noisily or vibrates
excessively
1. Worn bearings
2. Impeller obstructed or broken
3. Piping attachments to building
structure too rigid or too loose
1. Replace pump
2. Where applicable, remove screen and volute, clean impeller
and/or replace impeller
3. Install rubber coupling (available at local hardware stores) to
isolate pump vibration from discharge plumbing
Pump will not 1. Switch 1. Replace switch shut off
2. Switch obstructions 2. Remove obstruction to ensure free motion of switch
3. Restricted discharge (obstruction in 3. Remove obstruction from discharge piping piping)
4. Excessive inflow or pump not 4. Recheck all sizing calculations to determine proper pump size
properly sized for application
Pump operates
but delivers little
or no water
1. Low line voltage
2. Inlet screen clogged
3. Broken impeller or debris in impeller
cavity
5. Pump not properly sized for
application
6. Check valve stuck closed or
installed backwards
7. Shut off valve closed
1. Contact an electrician
2. Remove debris
3. Remove screen and volute, clean impeller and/or replace
impeller
5. Recheck all sizing calculations to determine proper pump size
6. Remove and examine check valve for proper installation and
free operation
7. Open valve
ROUTINE SUMP MAINTENANCE
We recommend you check your sump pump for proper operation at least once a year.
•Make sure the pump is plugged in to a working ground fault circuit interrupter (GFCI) outlet and the cord is in good
shape. In damp areas, GFCI breakers may trip, effectively shutting off the sump pump. Check in on your sump pump and
reset the GFCI if necessary.
•Ensure the pump itself is standing upright. Vibrations during operation can cause it to fall or tilt onto one side. This
can jam the float arm so it can’t activate the pump.
•Pour a bucket of water into the pit to make sure the pump starts automatically and the water drains quickly once the
pump is on. If the pump doesn’t start, have it serviced or replaced.
•Check the inlet screen and clear away any small stones or debris.

INSTALLATION MANUAL
10
NOTES