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Wayne CWS100 - User Manual

Wayne CWS100
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Operating Instructions and Parts Manual CWS50, CWS75 and CWS100
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.
For parts, product & service information
visit www.waynepumps.com
REMINDER: Keep your dated proof of purchase for warranty purposes!
Attach it to this manual or file it for safekeeping.
340006-001 3/09© 2009 Wayne Water Systems
Convertible Well Jet
Pump Water Systems
4. Secure the discharge line before
starting the pump. An unsecured
discharge line will whip and possibly
cause personal injury and/or
property damage.
5. Check hoses for weak or worn
condition before each use. Make
certain all connections are secure.
6. Periodically inspect pump and
system components. Perform routine
maintenance as required (See
Maintenance).
7. Personal Safety:
a. Wear safety glasses at all times
when working with pumps.
b. Keep work area clean, uncluttered
and properly lighted replace all
unused tools and equipment.
c. Keep visitors at a safe distance
from work area.
d. Make the workshop child proof:
use padlocks, master switches and
remove starter keys.
8. Do not pump chemicals or corrosive
liquids. Pumping these liquids
shortens the life of the pumps seals
and moving parts and will void the
warranty.
9. When installing pump, cover the
well to prevent foreign matter from
falling into well and contaminating
the water and damaging internal
mechanical pumping components.
10. Always test the water from the well
for purity before use. Check with
local health department for test
procedure.
11. Complete pump and piping system
MUST be protected against below
freezing temperature. Freezing
temperatures could cause severe
damage and void the warranty.
General Safety
Information
CALIFORNIA PROPOSITION 65
This product
contains chemicals,
including lead, known to the State of
California to cause birth defects and
other reproductive harm. Wash hands
after handling.
GENERAL SAFETY
1. Read all manuals included with this
product carefully. Be thoroughly
familiar with the controls and the
proper use of the equipment.
2. Know the pump application,
limitations and potential hazards.
Always install a
pressure relief valve
to match the system pressure rating and
the maximum flow rate.
Do not use to
pump flammable
or explosive fluids such as gasoline,
fuel oil, kerosene, etc. Do not use in
explosive atmospheres. Pump should
only be used with liquids compatible
with pump component materials.
Failure to follow this warning can result
in personal injury and/or property
damage.
Disconnect power
and release all
pressure from the system before
attempting to install, service, relocate
or perform any maintenance. Lock the
power disconnect in the open position.
Tag the power disconnect to prevent
unexpected application of power.
Install a screen
around the inlet pipe
to prevent entrapment of swimmers.
3. Drain all liquids from the system
before servicing.
Description
Jet pumps are single stage domestic water
pumps designed for pumping potable
water in applications where the water is up
to 100 feet (deep well pump). A pressure
switch is a standard feature. A built-in
control valve is available on deep well
pumps. Deep well pumps can be mounted
to either a pre-charged, conventional type
or free standing pressure tank.
Unpacking
After unpacking the jet pump, carefully
inspect for any damage that may have
occurred during transit. Check for loose,
missing or damaged parts.
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
the following symbols.
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
cause damage to equipment.
NOTE: Information that requires special
attention.

Table of Contents

Questions and Answers

  • H
    hmayerJul 26, 2025
    What to do if Wayne CWS100 motor hums but will not run?
    • C
      craigcostaJul 26, 2025
      If your Wayne Water Pump motor hums but doesn't run, it could be due to: * Voltage mismatch: Check the voltage against the selector switch. * Other issues: Replace the motor or take it to a service shop for repair; or take the motor to a repair shop or locate and repair any mechanical binding.
  • J
    Jessica FranklinAug 2, 2025
    What to do if my Wayne CWS100 will not run?
    • A
      Anthony JonesAug 2, 2025
      If your Wayne Water Pump isn't running, try the following: * Turn the power on or call your power company. * Replace the fuse or reset the circuit breaker. * Replace the switch. * Let the pump cool down, as the overload will automatically reset.
  • J
    Joshua BurkeAug 10, 2025
    Why does my Wayne CWS100 start and stop too often?
    • D
      Debra FosterAug 10, 2025
      Your Wayne Water Pump might be starting and stopping too often due to: * A waterlogged conventional tank: Replace the tank or air volume control. * A kinked or clogged air volume control tubing: Clean or replace as needed. * Air volume control tubing connected to the wrong opening on the pump: Move it to the correct pump opening. * Incorrect tank pre-charge (for pre-charged tanks): Add or release air as needed. * A ruptured diaphragm/bladder (for pre-charged tanks): Replace the tank. * A leak in your house piping: Locate and repair the leak. * A foot valve or check valve stuck open: Remove and replace it. * Improperly adjusted pressure switch: Readjust or replace the switch.
  • J
    james63Nov 16, 2025
    How to fix a Wayne CWS100 that runs but delivers little or no water?
    • C
      charlessantosNov 16, 2025
      If your Wayne Water Pump runs but isn't delivering enough water, consider these potential causes and solutions: * Lower the suction pipe further into the well if the water level is below the pump intake. * Adjust the control valve or repeat the priming procedure if the control valve is open too far (deep well). * Open the faucet and repeat the priming procedure if the discharge isn't vented while priming. * Repair any leaks in the piping on the well side of the pump. * Clean or replace a clogged well screen or inlet strainer. * Pull the jet and clear any obstruction if the nozzle is clogged (deep well). * Repair or replace the air volume control if the diaphragm has ruptured. * Clean or replace the foot valve if it's clogged or stuck closed. * Continue priming, pausing e...

Summary

Safety Guidelines

Safety Symbols and Definitions

Explains hazard alert symbols like DANGER, WARNING, CAUTION, NOTICE.

General Safety Information

Essential Operation Safety

Crucial safety practices for pump operation, maintenance, and hazard avoidance.

Pump System Components

Electrical Safety and Wiring

Guidelines for safe electrical connections, wiring, and grounding practices.

Pump Operation Hazards

Specific warnings about pump motor operation, thermal protection, and handling risks.

Electrical Connections

Voltage Selection and Grounding

Proper voltage selection and mandatory grounding procedures.

Wiring and Fuse Data

Recommended wire sizes and fuse ratings for motor protection.

Pump Operation

Priming the Shallow Well Pump

Step-by-step guide to filling and starting a shallow well pump.

Priming the Deep Well Pump

Procedures for filling and starting a deep well pump.

Maintenance

Troubleshooting

Pump Will Not Run or Hums

Diagnosing and correcting issues where the pump fails to start or runs with humming.

Overload Trips

Low Water Output

Frequent Pump Cycling

Wayne CWS100 Specifications

General IconGeneral
BrandWayne
ModelCWS100
CategoryWater Pump
LanguageEnglish

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