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Champion UH330B M4 - User Manual

Champion UH330B M4
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Undercounter Dishwashers
M4 Series
2674 N. Service Road, Jordan Station
Ontario, Canada L0R 1S0
(905) 562-4195 Fax: (905) 562-4618
Toll-free: (800) 263-5798
3765 Champion Blvd.,
Winston-Salem, NC 27105
(336) 661-1556 Fax: (336) 661-1660
Toll-free: (800) 858-4477
Issue Date: 7.17.15
Manual P/N 115440 rev. E
Printed in the USA
For machines beginning with S/N W140946406 and above
UH230B
UH330B
Installation/Operation Manual with Service Replacement Parts
UH130 M4
High Temperature
without built-in booster
Wash Refresh Final Rinse
UH130B M4
High Temperature
with built-in booster
Wash Refresh Final Rinse
UL130 M4
Low Temperature
Chemical Sanitization
Wash Refresh Final Rinse
UH230B M4
High Temperature
with built-in booster
Fresh Water Final Rinse
UH330B M4
Condensate Removal
High Temperature
with built-in booster
Fresh Water Final Rinse
UH230 M4
High Temperature
without built-in booster
Fresh Water Final Rinse

Table of Contents

Questions and Answers

  • R
    Rose HillJul 30, 2025
    Why is there low or no water in my Champion Dishwasher?
    • D
      david40Jul 30, 2025
      If your Champion Dishwasher isn't filling with water, here are some possible reasons: * The main water supply is off: Open the supply valve. * The fill hose is kinked: Straighten the fill hose. * The incoming water pressure is low: Set the flowing water pressure to 20-22 PSI. * The solenoid valve is defective: Install a repair kit or replace it. * The solenoid strainer is clogged: Clean the strainer. * The circuit board fuse is blown: Contact your service agent.
  • N
    Nicole GriffinAug 3, 2025
    Why aren't chemicals feeding into my Champion UH330B M4 Dishwasher?
    • C
      Cynthia HarperAug 3, 2025
      If chemicals aren't feeding into your Champion Dishwasher, consider these possibilities: * The chemical supply is low: Refill the chemical container. * The supply tubing is damaged: Replace the tubing. * The supply tubing is kinked: Straighten the tubing. * The pick-up tube is clogged: Clean or replace the tube. * The chemical circuit board fuse is blown: Contact your service agent.
  • B
    Benjamin JonesAug 7, 2025
    What to do if water has drained out of the wash tank of my Champion UH330B M4 Dishwasher while idle?
    • A
      amber59Aug 7, 2025
      If water drains from the wash tank of your Champion Dishwasher when it's not in use: * The anti-siphon loop in the drain hose has been removed: Re-route the drain hose. * The drain hose clamp isn't holding the drain hose correctly: Replace or adjust the hose clamp, ensuring the goose-neck is maintained. * The building plumbing lacks a correct air vent: Contact a service agent or plumber.
  • C
    Carl HuertaAug 12, 2025
    What to do if my Champion UH330B M4 Dishwasher has poor wash results?
    • L
      Lori ReedAug 12, 2025
      If your Champion Dishwasher isn't cleaning dishes well, several factors could be the cause: * Excessively hard water: Contact your chemical supplier. * Low water temperature: Increase the incoming water temperature to 140°F. * Defective thermistor: Replace the thermistor. * Defective detergent injector: Replace the injector motor. * Chemical circuit board fuse blown: Contact your service agent. * Incorrectly loaded wares: Reposition or reduce the number of items in the dish racks. * Booster high limit tripped: Reset or replace the high limit. * Wash tank high limit tripped: Reset or replace the high limit.
  • S
    Sarah MartinAug 16, 2025
    What to do if my Champion UH330B M4 will not run?
    • J
      Jessica BaldwinAug 17, 2025
      If your Champion Dishwasher isn't starting, make sure the door is completely closed, check the breaker on the panel, and ensure the dishwasher power switch is turned ON.
  • C
    charlottecombsAug 21, 2025
    Why is my Champion Dishwasher staying in the wash cycle?
    • D
      David SimmonsAug 21, 2025
      Your Champion Dishwasher might remain in the wash cycle due to a few reasons: * The incoming water supply is cold: Raise the incoming water temperature. * The Rinse Sentry is extending the wash mode: Adjust or replace the final rinse booster thermistor. The Rinse Sentry extends the wash mode for a maximum time of 5-minutes to allow final rinse water booster temperature to reach 180°F/82°C. * The dishwasher is operating in Extended Wash Mode (UH230B only): Push the EXT WASH button to exit the Extended Wash mode.
  • N
    Natalie HayesAug 25, 2025
    What causes low water pressure from the wash spray arms in my Champion UH330B M4 Dishwasher?
    • S
      Scott RochaAug 26, 2025
      Low water pressure from the wash spray arms in your Champion Dishwasher can be caused by: * A clogged scrap screen: Clean the scrap screen. * Clogged spray arms: Clean the spray arms. * A clogged pump intake screen: Inspect the sump and clean the pump intake screen.

Summary

Undercounter Dishwashers M4 Series

Revision History

Limited Warranty

Model Descriptions

Installation - Models UH130, UH130 B, UH230, UH230 B, UL130

Receiving and Placement

Instructions for receiving and positioning the dishwasher unit.

Electrical Connections

Details for connecting the dishwasher to the electrical supply.

Booster Heater Conversion

Steps to convert the booster heater from single phase to three phase operation.

Water Connections

Guidance on connecting the hot water supply to the dishwasher.

Drain Connections

Instructions for properly connecting the dishwasher drain hose.

Chemical Connections

Information on connecting detergent and rinse-aid dispensing pumps.

Pump and Fill Adjustments

Adjusting the chemical dispensing pumps and tank fill levels.

Installation - Model UL130

Electrical Connections

Details for connecting the UL130 to the electrical supply.

Water Connection

Guidance on connecting the hot water supply to the UL130.

Drain Connection

Instructions for properly connecting the UL130 drain hose.

Pumps and Injection Points

Locating and understanding chemical dispensing pumps for UL130.

Maintenance - Models UH130, UH130 B, UH230, UH230 B

Daily Maintenance

Routine checks for optimal dishwasher operation.

Weekly Maintenance

Tasks to perform weekly for dishwasher upkeep.

Monthly Maintenance

Tasks for monthly dishwasher upkeep.

Troubleshooting - All Models

Troubleshooting Chart

Common issues and their solutions for various dishwasher models.

Digital Temperature Display Codes

Interpreting display codes for wash and rinse temperatures.

Installation - Model UH330 B

Electrical Connections

Connecting the UH330B to single and three-phase power supplies.

Booster Heater Conversion

Steps to convert the UH330B booster heater from 1PH to 3PH.

Water Connection

Guidance on connecting the cold water supply to the UH330B.

Drain Connection

Instructions for properly connecting the UH330B drain hose.

Chemical Connections

Details on connecting chemical dispensing pumps for UH330B.

Operation - Model UH330 B

Loading Dish Racks

Proper techniques for loading dish racks into the UH330B.

Wash Mode

Operating the UH330B through its different wash cycles.

Rinse Sentry Mode

Explanation of the Rinse Sentry mode for UH330B.

Cleaning - Model UH330 B

Cleaning the wash tank

Procedure for cleaning the wash tank of the UH330B.

Rinse Arms

Cleaning the rinse arms for the UH330B dishwasher.

Wash Arms

Cleaning the wash arms for the UH330B dishwasher.

Scrap Screen and Sump Strainer

Cleaning the scrap screen and sump strainer for the UH330B.

De-liming - UH330 B

De-liming Cautions and Warnings

Safety precautions before performing de-liming on the UH330B.

Maintenance - Model UH330 B

Daily Maintenance

Daily checks and tasks for UH330B maintenance.

Weekly Maintenance

Weekly checks and tasks for UH330B maintenance.

Monthly Maintenance

Monthly checks and tasks for UH330B maintenance.

Troubleshooting - UH330 B

UH330 B Timer Board Diagnostics

Diagnostic tests for the UH330B timer board components.

Service Replacement Parts

Wash Pump;Motor Assembly

Exploded view and parts list for the wash pump/motor assembly.

Base Assembly

Exploded view and parts list for the dishwasher base assembly.

Fill Piping Assembly - UH130, UH130 B, UL130, UH330 B

Parts list and diagram for fill piping on specific models.

Fill Solenoid Valve

Exploded view and parts list for the fill solenoid valve.

Chemical Dispensing Pumps

Parts list and diagrams for chemical dispensing pump systems.

Booster Assembly

Exploded view and parts list for the booster assembly.

Power Input Block and Cord Assemblies

Parts list for power input blocks and cord assemblies.

Timer Control Board Assembly

Parts list for the timer control board assembly.

Wash and Rinse Spray Arms and Drain Valve

Parts list for spray arms and drain valve systems.

Control Panel

Parts list for the dishwasher control panels.

Panels

Parts list for various panels of the dishwasher.

Door Assembly

Exploded view and parts list for the dishwasher door assembly.

Dish Racks, Line Strainer, PRV

Parts list for dish racks, line strainers, and pressure regulating valves.

Electrical Schematics and Timing Charts

Electrical Schematic - Low Temperature Model - UL130

Wiring diagram for the UL130 low temperature dishwasher.

Electrical Schematic - High Temperature Models

Wiring diagrams for UH130, UH130B, UH230, UH230B models.

Electrical Schematic - High Temperature Heat Recovery Model

Wiring diagram for the UH330B heat recovery dishwasher.

Timing Charts

Operational timing charts for various dishwasher models.

Champion UH330B M4 Specifications

General IconGeneral
BrandChampion
ModelUH330B M4
CategoryDishwasher
LanguageEnglish

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