Technical Manual For machines beginning with Serial no. U-1352 Undercounter Dishwasher Champion Model Temperature with Built-in Booster UH-200B High Fresh Water Final Rinse UH-200 High Temperature Fresh Water Final Rinse Temperature with Built-in Booster UH-100B High Pumped Fresh Water Final Rinse UH-100 High Temperature Pumped Fresh Water Final Rinse UL-100 Low Temperature Chemical Sanitizing Rinse Model UH-200B Shown Machine Serial No. June, 2001 Champion Manual P/N P. O.
Complete the information below for quick reference. Model Number Serial Number Voltage and Phase Champion Parts Supplier Phone Champion Service Agency Phone Champion (USA) National Service Department Champion (Canada) National Service Department Phone: Phone: Fax: 1(336) 661-1556 1(800) 858-4477 1(336) 661-1660 Fax: 1(905) 562-4195 1(800) 263-5798 1(905) 562-4618 Note: When calling to order parts, be sure to have the model number, serial number, voltage and phase of your machine.
REVISION RECORD REVISION RECORD Revision Date Revised Pages Serial Number Effectivity Comments 2/25/99 All U-1352 First issue of manual and replacement parts lists 10/25/99 7, 9, 10, 92, 93 ALL Increased size of supply line, line strainer, and PRV from 1/2" to 3/4" I.D.
REVISION RECORD ii
SAFETY SUMMARY SAFETY SUMMARY Safety Symbols • The following symbols appear throughout this manual alerting you to potential hazards. Statements associated with each symbol are printed in italics. WARNING: Warning statements indicate any condition or practice that could result in personal injury or possible loss of life. ! CAUTION: Caution statements indicate any condition or practice which, if not strictly observed or remedied, could result in damage to or destruction of the dishwasher.
LIMITED WARRANTY LIMITED WARRANTY Champion Industries Inc. (herein referred to as Champion), P.O. Box 4149, Winston-Salem, North Carolina 27115, and P.O. Box 301, 2674 N. Service Road, Jordan Station, Canada, L0R 1S0, warrants machines, and parts, as set out below.
TABLE OF CONTENTS TABLE OF CONTENTS PAGE Revision Record ........................................................................................................... Safety Summary ........................................................................................................... Limited Warranty ......................................................................................................... i iii iv PART 1: GENERAL SPECIFICATIONS........................................................
TABLE OF CONTENTS PART 3: DAILY OPERATION ........................................................................ 3.1 3.2 3.3 3.4 3.5 Introduction .......................................................................................................... Preparing your Dishwasher (All Models) ............................................................ Loading your Dishwasher (All Models) ..............................................................
TABLE OF CONTENTS PART 7: SOLID STATE CIRCUIT BOARDS ................................................. 7.1 7.2 7.3 61 Introduction ..................................................................................................... Control Cabinet Layout and Board Function .................................................. Replacement Circuit Board Set-up .................................................................. 7.3.1 Timer Control Board Program Jumper Settings .................................
TABLE OF CONTENTS PART 8: .......................................................................................................... COMPONENT REPAIR AND REPLACEMENT (CONT.) 8.2 8.2.10 8.2.11 8.2.12 8.2.13 8.2.14 8.2.15 8.2.16 102 104 105 106 107 108 109 PART 9: REPLACEMENT PARTS .......................................................... 111 PART 10: ELECTRICAL SCHEMATICS ...................................................
TABLE OF CONTENTS LIST OF FIGURES Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure 2.4.1 2.4.2 2.5.3 2.6.1 2.9.1 2.9.2 2.9.3 2.9.4 2.9.5 2.9.6 2.9.7 2.9.8 2.9.9 2.10.1 2.10.2 2.10.3 3.4.1 3.4.2 5.3.1 5.3.2 6.2.1 6.2.2 6.2.3 7.2.1 7.3.1 – – – – – – – – – – – – – – – – – – – – – – – – – Figure 7.3.2 – Figure 7.3.3 – Figure Figure 7.3.4 – 7.4.1 – Figure 7.4.
TABLE OF CONTENTS LIST OF FIGURES (Cont.) Figure Figure Figure Figure Figure Figure 9.1 9.2 9.3 9.4 9.5 9.6 – – – – – – Figure Figure Figure Figure Figure Figure Figure 9.7 9.8 9.9 9.10 9.11 9.12 9.13 – – – – – – – Figure Figure Figure Figure Figure 9.14 9.15 9.16 9.17 9.18 – – – – – Figure 9.19 – Figure 9.20 – Figure 9.21 – x Upper Hood Assembly and Control Cabinet (All Models) ......................... Tank, Base, Guide Rails, and Panels (UH-200B, UH-200) ........................
Part 1: GENERAL SPECIFICATIONS PART 1: GENERAL SPECIFICATIONS 1.1 About this Manual All information, illustrations and specifications contained in this manual are based upon the latest product information available at the time of publication. Champion constantly improves its products and reserves the right to make changes at any time or to change specifications or design without notice and without incurring any obligation.
Part 1: GENERAL SPECIFICATIONS 1.2 Model Numbers UH-200B The UH-200B is a high temperature (180°F/82°C) sanitizing machine with a built-in booster. (40°F/22°C) rise booster is standard requiring a minimum incoming water supply temperature of 140°F/60°C. A (70°F/39°C) rise booster is available which requires a minimum incoming water supply temperature of 110°F/43°C. The UH-200B is a fresh water rinse machine. Final rinse water enters the final rinse spray system under line pressure.
Part 1: GENERAL SPECIFICATIONS 1.
Part 1: GENERAL SPECIFICATIONS 1.4 Dimensions, Capacities, and Rough-in Dimensions (All Models) Total Cycle Time Height Width Length UH-200B, UH-200 90 seconds UH-100B, UH-100 120 seconds UL-100 155 seconds 33-3/4" [858mm] 23-7/8" [607mm] 23" [584mm] Volume crated: 15 cu. ft. [.4 cu.m] Approx. Shipping weight crated: 215 lbs [98 Kg] Wash Tank Capacities UH-200B, UH-200 ≅ 3.6 US gal. (14 liters) UH-100B, UH-100 ≅ 1.8 US gal. (7 liters) Racks per hour (NSF rated) UH-200B, UH-200 30 racks/hr.
Part 1: GENERAL SPECIFICATIONS 1.4 Dimensions and Capacities, and Rough-in 3" [76] Wall Clearance 23" [584] Model UH-200B Model UH-200 143/4" [375] Clearance 333/4" [858] 141/4" [362] 15/8" [42] 2 3 SIDE VIEW 1 1 Electric WARNING: 2 Water Refer to Part 2: Installation, Sections 2.1 through 2.9, before connecting the dishwasher to utilities.
Part 2: INSTALLATION This Page Intentionally Left Blank 6
Part 2: INSTALLATION PART 2: INSTALLATION 2.1 Introduction In This Part— • Unpacking the dishwasher • Permanent Placement • Making Utility Connections • Installing Optional Components 2.2 Unpack the Dishwasher Your dishwasher was completely assembled, inspected, and thoroughly tested at our factory before shipment to your installation site. • The dishwasher is shipped on a single pallet. • Optional components may have been shipped separately. • Check your packing list thoroughly.
Part 2: INSTALLATION 2.3 Permanent Placement Special Tools — • Bubble level (3 ft.) Perform the following steps to place the dishwasher in its permanent location. Refer to the machine diagrams in Section 1.4, Dimensions and Capacities, page 4-5. 1. Before moving the dishwasher into position, inspect the location site to ensure the electrical, plumbing, and ventilation services (if required) are provided in the correct locations.
Part 2: INSTALLATION 2.4.1 (Water Connections) Models UH-200B, UH-200 Refer to the Table below for minimum water supply requirements.
Part 2: INSTALLATION 2.4.2 (Water Connections) Models UH-100B, UH-100, UL-100 Refer to the Table below for minimum water supply requirements.
Part 2: INSTALLATION 2.5 Drain Connections The following instructions apply to all dishwasher models. Refer to Fig. 2.5.3 below. WARNING: The installation of this unit must conform to local codes or, in the absence of local codes, to all National Codes governing plumbing, sanitation, safety and good trade practices. !! ATTENTION INSTALLER !! All dishwashers are fitted with 6 ft. [1829mm], 5/8" I.D. flexible reinforced drain hoses located at the rear of the machine.
Part 2: INSTALLATION 2.6 Installation and Service Switch (Model UH-200B, UH-100B Only) The following instructions apply to Models UH-200B and UH-100B which are equipped with a Champion built-in booster. The Booster Installation and Service Switch is provided to fill the built-in booster tank with water prior to placing the dishwasher in service for the first time. It can also be used by service technicians to interrupt 120VAC control power to service the machine.
Part 2: INSTALLATION 2.7 Electrical Connections (Single Phase) 2.7.1 Models UH-200B, UH-100B Only WARNING: The installation of electrical supplies and controls must conform to local codes or, in the absence of local codes, the National Electrical Code and good trade practices. WARNING: When working on the dishwasher, disconnect the electrical service and place a red tag at the disconnect switch to indicate work is being done on that circuit.
Part 2: INSTALLATION 2.7 Electrical Connections (Single Phase) Cont. 2.7.2 Models UH-200, UH-100, UL-100 Only WARNING: The installation of electrical supplies and controls must conform to local codes or, in the absence of local codes, the National Electrical Code and good trade practices. WARNING: When working on the dishwasher, disconnect the electrical service and place a red tag at the disconnect switch to indicate work is being done on that circuit.
Part 2: INSTALLATION 2.8 Electrical Connections (Three Phase) 2.8.1 Models UH-200B, UH-100B Only WARNING: The installation of electrical supplies and controls must conform to local codes or, in the absence of local codes, the National Electrical Code and good trade practices. WARNING: When working on the dishwasher, disconnect the electrical service and place a red tag at the disconnect switch to indicate work is being done on that circuit.
Part 2: INSTALLATION 2.9 Chemical Connections 2.9.1 General (All Models) !! ATTENTION DISHWASHER OWNER !! Your dishwasher is designed to work best with liquid commercial dishwashing chemicals. Detergents must be a commercial non-foaming liquid. Champion strongly recommends that you contact a qualified chemical supplier to supply these products and to setup your machine for the first time.
Part 2: INSTALLATION 2.9.1 General (All Models) Cont. NOTE: The detergent and rinse aid chemical dispensing pumps are optional equipment on Models UH-200B, UH-200, UH-100B, and UH-100 dishwashers. The pumps may have been specified when the dishwasher was ordered and installed at the factory.
Part 2: INSTALLATION 2.9 Chemical Connections (Cont.) 2.9.1 General (All Models) Cont. !! ATTENTION CHEMICAL SUPPLIER !! (continued from previous page) 6. Refer to Fig. 2.9.2 showing the Fill/Chemical Dispenser Circuit Board. 7. There are (4) adjustable potentiometers. • Fill2 to 40 seconds 4 5 6 7 3 • Detergent1 to 30 seconds 2 8 • Sanitizer1 to 30 seconds 1 9 • Rinse aid1 to 30 seconds 0 10 8. Two dots on one end of the potentiometer serve as the dial pointer. DOTS ON END OF POTENTIOMETER 9.
Part 2: INSTALLATION 2.9.2 Models UH-200B, UH-200 (Chemical Adjust and Prime) The following chemical adjustment information applies to UH-200B and UH-200 only. Refer to Section 2.9.1, page 18, for a description of the dispenser adjust potentiometers. 1. The data below will assist in adjusting the time settings for the dispenser pumps: • The wash tank holds 3.6 US gal. [13.6 liters] of water. • Initial fill receives three doses of detergent from the detergent pump.
Part 2: INSTALLATION 2.9.3 Models UH-100B, UH-100 (Chemical Adjust and Prime) The following chemical adjustment information applies to UH-100B and UH-100 only. Refer to Section 2.9.1, page 18, for a description of the dispenser adjust potentiometers. 1. The data below will assist in adjusting the time settings for the dispenser pumps: • The wash tank holds 1.8 US gal. [6.8 liters] of water. • Proper fill water level is even with the bottom of the round scrap screen.
Part 2: INSTALLATION 2.9.4 Models UL-100 (Chemical Adjust and Prime) The following chemical adjustment information applies to UL-100 only. Refer to Section 2.9.1, page 18, for a description of the dispenser adjust potentiometers. 1. The data below will assist in adjusting the time settings for the dispenser pumps: • The wash tank holds 2.5 US gal. [10 liters] of water. • Proper fill water level is even with the top of the handle on the round scrap screen.
Part 2: INSTALLATION 2.10 Installing Optional Chemical Pumps Perform the following steps to install the optional detergent and rinse aid pumps for the models in Sections 2.10.1 and 2.10.2 WARNING: When working on the dishwasher, disconnect the electric service and place a red tag at the disconnect switch to indicate work is being done on that circuit. 2.10.1 Models UH-200B, UH-200 Refer to Fig. 2.10.1 at right. The illustration shows the typical installation of the detergent and rinse aid pumps.
Part 2: INSTALLATION 2.10.1 Models UH-200B, UH-200 (continued from previous page) To install the detergent pump (continued): 6. Connect the detergent tubing from the outlet of the pump to the 90° fitting 7. Connect the pump motor wires to the harness wires supplied in the installation kit. 8. Refer to Fig. 2.10.2 below. Connect the wiring harness to the 10 pin terminal block located on the lower right side of the machine. Connect the #2 harness wire to the Common (#2) terminal on the block.
Part 2: INSTALLATION 2.10 Installing Optional Chemical Pumps (Cont.) 2.10.1 Models UH-200B, UH-200 To install the rinse aid pump: 1. Remove the lower front access panel. 2. Mount the pump on the machine base with two screws. 3. Route the rinse aid tubing out the rear of the machine through the access hole located above and between the fill and drain hoses. 4. Pump rotation is clockwise. The supply tube connects on the left side of the pump; the discharge tubing connects on the right side of the pump. 5.
Part 2: INSTALLATION 2.10.2 Models UH-100B, UH-100 Chemical discharge tubes were installed at the factory and stowed in the base of the machine. Installation of the optional detergent pump and/or the rinse aid pump requires mounting the pump, connecting all tubing to the pump(s) and making the electrical connections. WARNING: When working on the dishwasher, disconnect the electric service and place a red tag at the disconnect switch to indicate work is being done on that circuit. Refer to Fig. 2.10.
Part 2: INSTALLATION 2.10 Installing Optional Chemical Pumps (Cont.) 2.10.2 Models UH-100B, UH-100 (continued from previous page) To install the rinse aid pump: 1. Remove the lower front access panel. 2. Mount the pump on the machine base with two screws. 3. Route the pick-up tube and rinse aid supply tubing out the rear of the machine through the access hole located above and between the fill and drain hoses. 4. Pump rotation is clockwise.
Part 2: INSTALLATION Review Part 3, Daily Operation, Sections 3.1 through 3.5, for instructions on the operation of your dishwasher, then perform the following checks for your model machine: 2.11.1 Models UH-200B, UH-200 (Initial Start-up) Water Level Probe √ Push the POWER button. • 888F, and LED's flash on display • No error codes (E0, E1, E2, E3) • Machine fills • Detergent pump runs (if applicable) √ Open door and check water level in tank • Water level at middle sensor of water level probe.
Part 2: INSTALLATION 2.11 Initial Start-up (Cont.) 2.11.
Part 3: DAILY OPERATION PART 3: DAILY OPERATION 3.1 Introduction In This Part— • Preparing your Dishwasher • Dishwasher Loading • Description of Operator Controls • Basic Operation 3.2 Preparing your Dishwasher (All Models) Review Part 2, Installation, and check your site to ensure that all plumbing and electrical connections have been properly made by qualified personnel. Check the installation of chemical dispensing systems, if applicable.
Part 3: DAILY OPERATION 3.3 Loading your Dishwasher (All Models) Perform the following steps to prepare and load your wares for washing. 1. Scrape and rinse wares to remove heavy food particles and other debris. 2. Place dishes edgewise in a peg rack. Place cups and bowls upside down in a flat rack. Spread silverware evenly in a single layer in a flat bottom rack. Batching silverware upright in a utensil cup is not recommended. DO NOT OVERLOAD DISHRACKS. 3.
Part 3: DAILY OPERATION 3.4 Description of Operator Controls and Displays Note the location and function of the following components. These components directly affect the normal operation of all other operator controls. Door Safety Switch Magnet: The door safety switch magnet is located at the top left inside corner of the door. The magnet operates the door safety switch located in the top mounted slide-out control cabinet. The door must be fully closed whenever the dishwasher is in an automatic cycle.
Part 3: DAILY OPERATION 3.4 Description of Operator Controls and Displays (Cont.) Refer to the illustrations and table below for the location and function of the operator controls and displays.
Part 4: CONTROL TYPE 1 Power ON/OFF Switch 2 Power ON LED 3 Start Switch 4 Cycle ON LED Touchpad membrane switch Touchpad light emitting diode Touchpad membrane switch Touchpad light emitting diode DAILY OPERATION DESCRIPTION OF OPERATION All Models: Power is OFF. Push Power Button— Activates the solid state controls and begins automatic fill operation. Power is ON. Push Power Button— Begins auto-shutdown cycle. Turns power OFF when auto-shutdown cycle is complete.
Part 3: OPERATION 3.5 Basic Operation The following illustrations and diagrams describe the basic operation of your dishwasher. Review Sections 3.2 and 3.3 before operating your machine. NOTE: All temperature readings in the instructions below are given in degrees Fahrenheit (°F). Pressure readings are given in pounds per square inch (PSI). All models provide a metric option to display temperature in degrees Celsius (°C) and pressure in kilopascals (kPa).
Part 3: DAILY OPERATION 3.5.1 Operating the UH-200B and UH-200 (Cont.) WASH Champion RINSE POWER START EXTENDED WASH 150 F TEMPERATURE PRESSURE PRIME EXTENDED WASH FEATURE The EXTENDED WASH button pauses the normal wash cycle and holds the dishwasher in a continuous wash mode until the extended wash button is pushed again. To activate the extended wash feature: Push the START button to begin a cycle. WAIT 16 seconds to allow the optional detergent pump time to inject detergent.
Part 3: DAILY OPERATION 3.5 Basic Operation (Cont.) NOTE: All temperature readings in the instructions below are given in degrees Fahrenheit (°F). Pressure readings are given in pounds per square inch (PSI). All models provide a metric option to display temperature in degrees Celsius (°C) and pressure in kilopascals (kPa). Temperature readings and error codes are followed by the letter "C" when the metric option is enabled. 3.5.
Part 3: DAILY OPERATION 3.5.1 Operating the UH-100B and UH-100, UL-100 (Cont.) 180 F Champion POWER START EXTENDED WASH (140 °F/60 °C for UL-100) PRIME TEMPERATURE Drain Stops. Fill/Rinse valve opens and hot water enters the wash tank. (UH-100B, UH-100 Optional rinse aid pump injects rinse aid.) (UL-100 ONLY Standard rinse aid pump injects rinse aid. Standard sanitizer pump injects sanitizer.) Temperature display indicates temperature of the final rinse water.
Part 3: DAILY OPERATION 3.5.1 Operating the UH-100B and UH-100, UL-100 (Cont.) 150 F Champion POWER START EXTENDED WASH POWER START EXTENDED WASH (140°F/60°C for UL-100) TEMPERATURE PRIME 888F Champion TEMPERATURE PRIME AUTO-SHUTDOWN CYCLE At the end of the day, pushing the POWER button initiates the auto-shutdown cycle which includes an automatic interior rinse down to aid in cleaning the machine.
Part 4: CLEANING AND MAINTENANCE PART 4: CLEANING AND MAINTENANCE In This Part— • Introduction • Daily cleaning schedules • Deliming procedure • Preventive maintenance schedules • Lubrication 4.1 Introduction Cleaning your machine is the best maintenance that you can provide. Components that are not regularly flushed and cleaned do not perform well. The following schedules are the minimum requirements necessary for the proper performance of your machine.
Part 4: CLEANING AND MAINTENANCE 4.3 Deliming Schedules (All Models) Your dishwasher should be delimed regularly depending on the mineral content of your water. Inspect the machine interior for mineral deposits (white residue) and use a deliming solution for the best cleaning results. WARNING: Deliming solutions or other acids must not come in contact with household bleach (sodium hypochlorite) or any chemicals containing chlorine, iodine, bromine, or fluorine. Mixing will cause hazardous gases to form.
Part 4: CLEANING AND MAINTENANCE 4.4 Preventive Maintenance Schedules Daily Maintenance Requirements Perform the following procedures every day. 1. Check the chemical supply containers and replenish as needed. 2. Inspect scrap screens for bent or damaged parts. 3. Check the spray arm bearings and make sure arms turn freely. Weekly Maintenance Requirements Perform the following procedures every week. 1. Inspect for leaks including all piping and supply connections. Tighten or repair as required. 2.
Part 5: OPERATOR TROUBLESHOOTING This Page Intentionally Left Blank 42
Part 5: OPERATOR TROUBLESHOOTING PART 5: OPERATOR TROUBLESHOOTING 5.1 Introduction In This Part— • Troubleshooting basics • Using the Touchpad/Display to evaluate problems. • Reading error codes • Troubleshooting guide 5.2 Troubleshooting Basics STEP 1: The first step in troubleshooting your dishwasher is knowing how it works under normal conditions. Review Part 3, Operation, pages 29-36 for a description of proper loading, operator controls and basic operating procedures.
Part 5: OPERATOR TROUBLESHOOTING PART 5: OPERATOR TROUBLESHOOTING (Cont.) 5.3 Using the Touchpad/Display to evaluate problems All dishwashers perform a self-diagnostics when you push the POWER button to turn the machine on. Watching the display provides information that will help you and your service agent troubleshoot certain problems. WASH Champion RINSE POWER START EXTENDED WASH 888F 888 TEMPERATURE PRESSURE PRIME Figure 5.3.
Part 5: OPERATOR TROUBLESHOOTING 5.4 Reading Error Codes The table below gives the meaning of the error codes and the dishwasher component that is disabled until the condition causing the error code is repaired. E0F, E1F, E2F and E3F are displayed for machines programmed for °F. E0C, E1C, E2C and E3C are displayed for machines programmed for °C. ERROR CODE E0F MODEL UH-200B UH-100B Displayed in temperature display window • Indicates a defective booster temperature thermistor in the built-in booster.
Part 5: OPERATOR TROUBLESHOOTING PART 5: OPERATOR TROUBLESHOOTING (Cont.) 5.5 Troubleshooting Guide Refer to the troubleshooting guide below to help diagnose and resolve a dishwasher problem. CONDITION Machine will not start when POWER button is pushed. Power LED is off. CAUSE Door not closed ..................................... Main switch off ..................................... Machine circuit breaker behind ............ lower front panel is tripped Door safety switch not closed ...............
Part 5: CONDITION Machine washes constantly CAUSE EXTENDED WASH button ................. was pushed. Extended wash LED on. Defective control circuit ....................... Wash water temperature is low Incoming water temperature ................. at machine too low Defective wash temperature probe ....... Defective or tripped wash tank ............. high limit Wash tank heater has lime build-up ..... Defective wash tank heater ...................
Part 5: OPERATOR TROUBLESHOOTING PART 5: OPERATOR TROUBLESHOOTING (Cont.) 5.5 Troubleshooting Guide (Cont.) CONDITION Final rinse water temperature is low CAUSE Incoming water temperature ................. at machine too low Defective rinse temperature ................. thermistor (All Models) Defective booster temperature thermistor (UH-200B, UH-100B Only) Defective or tripped high limit ............. on booster (UH-200B, UH-100B Only) Defective booster tank heater ...............
Part 5: OPERATOR TROUBLESHOOTING This Page Intentionally Left Blank 49
Part 6: SERVICE TROUBLESHOOTING This Page Intentionally Left Blank 50
Part 6: SERVICE TROUBLESHOOTING PART 6: SERVICE TROUBLESHOOTING 6.1 Introduction In This Part— • Sequence of Operation • Timing Charts • Error Codes • Troubleshooting Guidelines The instructions contained in Parts 6, 7, 8, and 10 are intended for Champion authorized technicians and should not be used by untrained personnel. Persons not properly trained should not attempt to repair or make adjustments to the dishwasher.
Part 6: SERVICE TROUBLESHOOTING 6.2 Operation Sequence and Timing Charts Sections 6.2.1 through 6.2.3 explain the operation and timing of the dishwasher models. 6.2.1 Operation Sequence (Model UH-200B, UH-200) Refer to the operation sequence below and the timing chart on the next page. Upon application of Input power - all outputs are initially de-energized and the display is disabled.
Part 6: SERVICE TROUBLESHOOTING 6.2.1 Timing Chart (Model UH-200B, UH-200) FILL CYCLE Dishwasher fills until water level reaches middle probe of water level probe assy (Flow pressure must be Min./Max.: 20-22 PSI [138-151 kPa]) Fixed Time Adjustable Time 0 10 20 30 40 Fill/Rinse Valve 50 WASH CYCLE 60 sec. 0 Note 1: Machine drains until water level drops below the bottom (LOW) water level sensor probe Note 2: Final Rinse for 11 secs.
Part 6: SERVICE TROUBLESHOOTING 6.2 Operation Sequence and Timing Charts (Cont.) 6.2.2 Operation Sequence (Model UH-100B, UH-100) Refer to the operation sequence below and the timing chart on the next page. Upon application of Input power - all outputs are initially de-energized and the display is disabled. Momentary closure of the Power Pushbutton enables the solid state controls, program jumpers are read and the auto-fill sequence is initiated.
Part 6: SERVICE TROUBLESHOOTING 6.2.1 Timing Chart (Model UH-100B, UH-100) FILL CYCLE Factory set 25 sec. Fixed Time Adjustable Time 0 10 20 30 40 Fill/Rinse Valve WASH CYCLE *NOTE 3 60 sec. 0 10 20 30 *3 sec. * 40 50 60 70 Wash Pump 50 14 sec. 80 90 100 110 120 40 50 60 70 80 Drain Valve/Drain Pump 90 100 110 120 80 90 100 110 120 80 90 100 110 120 80 90 100 110 120 20 sec. 0 10 20 30 2 to 40 sec.
Part 6: SERVICE TROUBLESHOOTING 6.2 Operation Sequence and Timing Charts (Cont.) 6.2.3 Operation Sequence (Model UL-100) Refer to the operation sequence below and the timing chart on the next page. Upon application of Input power - all outputs are initially de-energized and the display is disabled. Momentary closure of the Power Pushbutton enables the solid state controls, program jumpers are read and the auto-fill sequence is initiated. The Fill/Rinse Valve activates for a user defined 2 to 40 seconds.
Part 6: SERVICE TROUBLESHOOTING 6.2.1 Timing Chart (Model UL-100) FILL CYCLE Factory set at 30 sec. Fixed Time Adjustable Time 0 10 20 30 40 Fill/Rinse Valve WASH CYCLE *NOTE 3 *3 sec. * 80 sec. 0 10 20 30 40 50 60 70 80 90 Wash Pump 50 100 110 15 sec. 120 130 140 150 155 120 130 140 150 155 30 sec. 0 10 20 30 40 50 60 70 80 90 100 110 Drain Valve/Pump 2 to 40 sec.
Part 6: SERVICE TROUBLESHOOTING PART 6: SERVICE TROUBLESHOOTING (Cont.) 6.3 Error Codes All dishwashers perform a self-diagnostics when you push the POWER button to turn the machine on. Watching the display provides information that will help you troubleshoot certain problems. WASH Champion RINSE POWER START EXTENDED WASH 888F 888 TEMPERATURE PRESSURE PRIME Self Diagnostics Display (UH-200 series Shown) The dishwasher self-diagnostics provide the following information: 1.
Part 6: SERVICE TROUBLESHOOTING 6.3 Error Codes (Cont.) The table below gives the meaning of the error codes and the dishwasher component that is disabled until the condition causing the error code is repaired. E0F, E1F, E2F and E3F are displayed for machines programmed for °F. E0C, E1C, E2C and E3C are displayed for machines programmed for °C. ERROR CODE E0F MODEL UH-200B UH-100B Displayed in temperature display window • Indicates a defective booster temperature thermistor in the built-in booster.
Part 6: SERVICE TROUBLESHOOTING 6.4 Troubleshooting Guide The following checklist provides general guidelines for evaluating trouble conditions with the dishwasher. Detailed troubleshooting flow charts are provided in Part 11 at the end of this manual. STEP 1: The first step in troubleshooting the dishwasher is knowing how it works under normal conditions. Review Part 3, Operation, pages 29-36, for a description of proper loading, operator controls and basic operating procedures.
Part 7: SOLID STATE CIRCUIT BOARDS PART 7: SOLID STATE CIRCUIT BOARDS 7.1 Introduction In This Part— • Control Cabinet Layout and Board Function • Program Jumper Settings • Circuit Board LED Description • Circuit Board Removal and Replacement • Circuit Board Connector Diagrams 7.2 Control Cabinet Layout and Board Function Refer to Fig. 7.2.1 below which shows the location and function of the solid state circuit boards.
Part 7: SOLID STATE CIRCUIT BOARDS 7.3 Replacement Circuit Board Set-up Jumpers are provided on the Timing Control and the Temperature/Pressure Display boards to set the program for each machine model (See Fig.7.2.1, page 61, for board locations). Jumpers are set at the factory for new machines and should not require adjustment. Whenever a board is replaced in the field, the service technician must set the jumpers on the replacement circuit board to match the dishwasher model being repaired. 7.3.
Part 7: SOLID STATE CIRCUIT BOARDS 7.3.1 Timer Control Board Program Jumper Settings (Cont.) WARNING: When working on the dishwasher, disconnect the electrical service and place a red tag at the disconnect switch to indicate work is being done on that circuit. To set the jumpers JB1, JB2, and JB3: Check and set the jumpers before you install a replacement board. 1. Turn power off at the dishwasher and the main power disconnect switch. 2. Open the front door. 3.
Part 7: SOLID STATE CIRCUIT BOARDS 7.3 Replacement Circuit Board Set-up (Cont.) 7.3.3 Temperature/Pressure Display Board Program Jumper Settings The Temperature/Pressure Display Board has seven program jumper settings. JB7 —Always set OPEN for normal operation. Future models will not have the JB7 jumper. JB1 —Selects English display (°F and PSI) or Metric (°C and kPa) JB2 —These jumpers select the minimum wash tank temperature with a differential of +4°F/2°C.
Part 7: SOLID STATE CIRCUIT BOARDS 7.3.3 Temperature/Pressure Display Board Program Jumper Settings (Cont.) To set the jumpers JB1-JB7: Check and set the jumpers before you install a replacement board. Jumper No. JB4 WashTemperature Select JB3 JB2 Temperature (+4°F/2°C) 170°F The procedure for setting jumpers are the same as the Timer Control Board. 165°F 160°F Refer to Section 7.3.1, top of page 63, To set jumpers JB1, JB2, JB3. The Jumper Settings select the MINIMUM temperature.
Part 7: SOLID STATE CIRCUIT BOARDS 7.3 Replacement Circuit Board Set-up (Cont.) 7.3.5 Time Select (Fill/Chemical Dispenser) Board The Time Select (Fill/Chemical Dispenser) Board has 4 adjustable potentiometers. Refer to Fig. 7.2.1, Circuit Board Layout, page 61, for the location of the Time Select Board. Adjustment Range To Timer Control Bd. 3 5 4 6 0 DETERGENT: 1 to 30 secs. Detail 7 2 1 FILL: 2 to 40 secs. 8 9 SANITIZER: 1 to 30 secs.
Part 7: SOLID STATE CIRCUIT BOARDS POTENTIOMETER ADJUSTMENT (continued): 8. After noting the position of the potentiometers, fully close the slide-out control cabinet. This positions the door safety switch to close when the dishwasher door is closed. NOTE: The dishwasher will not operate if the control cabinet is pulled out because the door safety switch will not be aligned with the door safety switch magnet located on the lefthand corner of the machine door.
Part 7: SOLID STATE CIRCUIT BOARDS 7.3 Replacement Circuit Board Set-up (Cont.) 7.3.5 Time Select (Fill/Chemical Dispenser) Board POTENTIOMETER ADJUSTMENT (continued): WARNING: When working on the dishwasher, disconnect the electrical service and place a red tag at the disconnect switch to indicate work is being done on that circuit. Refer to Section 2.9, Chemical Connections, pages 16-21, and to Potentiometer Adjustment, Steps 1-8, pages 66-67, before proceeding with the instructions below.
Part 7: SOLID STATE CIRCUIT BOARDS RINSE AID AND SANITIZER ADJUSTMENT: ADJUSTMENT EXPLANATION (Cont.) • Therefore, to increase dispenser pump run time, the time adjustment on the POT must activate the pump before the valve closes earlier in the cycle. • If a POT is set to “0” on the adjustment dial, then the pump will start 1 second before fill/rinse valve closes. • If a POT is set to “4” on the adjustment dial, then the pump will start 11 seconds before the fill/rinse valve closes.
Part 7: SOLID STATE CIRCUIT BOARDS 7.4 Circuit Board Test Points and Connectors General Notes: Sections 7.4.1 through 7.4.3 describe the location of harness connections to the solid state circuit boards. The inputs/outputs to peripheral components are noted on the diagrams where applicable. WARNING: Use extreme caution when testing energized electrical circuits. ! CAUTION: Do not attempt to test individual solid state components on the circuit boards.
Part 7: SOLID STATE CIRCUIT BOARDS 7.
Part 7: SOLID STATE CIRCUIT BOARDS 7.4 Circuit Board Test Points and Connectors (Cont.) 7.4.
Part 7: SOLID STATE CIRCUIT BOARDS 7.4.1 Timer Control and Time Select (Fill/Chemical Dispenser) Board Connector Descriptions Refer to Fig. 7.4.1 on page 72 and the test point descriptions below. Timer Control Board Connectors: CN1 — 10 pin connector accepts the cable from the Time Select Board. There are no test points on CN1. CN2 — 8 pin connector accepts the touchpad display cable. Refer to Section 7.4.3, page 76, for test points. CN3 — 10 pin connector hard-wired to the circuit board.
Part 7: SOLID STATE CIRCUIT BOARDS 7.4 Circuit Board Test Points and Connectors (Cont.) 7.4.2 Temperature/Pressure Display Board Refer to Fig. 7.4.2 and the instructions on page 75.
Part 7: SOLID STATE CIRCUIT BOARDS 7.4.2 Temperature/Pressure Display Board Refer to Fig. 7.4.2 and the instructions on page 75 and the test point descriptions below. Temperature/Pressure Display Board Connectors: CN1 — 10 pin connector accepts the cable from the Timer Control Board. There are no test points on CN1. CN2 — 4 pin connector accepts the cable from the pressure transducer (UH-200B, UH-200 only). There are no test points on CN2. CN3 — 6 pin connector accepts the wiring harness connector.
76 Touchpad Cable Detail Power Touchpad pushbutton cable to CN2 on Timer Control Bd. Pin 1 Extended Wash Figure 7.4.3 Touchpad/Display Connector Diagram Common for Prime Pushbuttons Extended Wash Start Power Detergent Prime (UL-100) Sanitizer Prime (UL-100) Optional Prime (UH-200, UH-100 series) Refer to Fig. 7.4.2 and the instructions on page 77.
Part 7: SOLID STATE CIRCUIT BOARDS 7.4.3 Touchpad/Display Refer to Fig. 7.4.2 and the instructions on page 76 and the test point descriptions below. Touchpad Display Connectors: Status LED — 4 pin cable connects to CN4 on the Timer Control Board. Cable LED’s are: Power, Start, and Extended Wash There are no test points on the cable Wash/ 3 pin cable connects to CN5 on the Temperature/Pressure Display Board.
Part 7: SOLID STATE CIRCUIT BOARDS 7.5 Circuit Board Removal and Replacement General Notes: The circuit boards should always be handled with care. Keep the board it its packaging until it is time for installation. Do not place the board on metal surfaces. The boards have a protective coating that resists electrostatic discharge (ESD) but it is good practice to touch a metal surface with your hand to discharge any static built up on your body before handling a board.
Part 7: SOLID STATE CIRCUIT BOARDS 7.5.1 Timer Control Board Removal (Cont.) Disconnect touchpad/display cables Disconnect interconnect cables Observe caution when using tools near circuit board Remove 6-32 retaining nuts Handle the circuit board by its edges.
Part 7: SOLID STATE CIRCUIT BOARDS 7.5 Circuit Board Removal and Replacement (Cont.) Refer to the General Notes on page 70 before proceeding with the instructions below. WARNING: When working on the dishwasher, disconnect the electrical service and place a red tag at the disconnect switch to indicate work is being done on that circuit. 7.5.2 Temperature/Pressure Display Board Removal Refer to the pictures and instructions given below.
Part 7: SOLID STATE CIRCUIT BOARDS 7.5.2 Temperature/Pressure Display Board Removal (Cont.) Remove 6-32 retaining nuts Observe caution when using tools near circuit board Handle the circuit board by its edges. When reinstalling the board, make sure the LED’s are centered in the control cabinet windows.
Part 7: SOLID STATE CIRCUIT BOARDS 7.5 Circuit Board Removal and Replacement (Cont.) Refer to the General Notes on page 70 before proceeding with the instructions below. WARNING: When working on the dishwasher, disconnect the electrical service and place a red tag at the disconnect switch to indicate work is being done on that circuit. 7.5.3 Touchpad/Display Removal and Replacement Refer to the pictures and instructions given below.
Part 7: SOLID STATE CIRCUIT BOARDS 7.4.3 Touchpad/Display Removal and Replacement (Cont.
Part 7: SOLID STATE CIRCUIT BOARDS 7.5 Circuit Board Removal and Replacement (Cont.) 7.5.3 Touchpad/Display Removal and Replacement (Cont.) Scrape off adhesive with knife and remove remaining adhesive with acetone based solvent AVOID GETTING ACETONE ON THE DISPLAY! Carefully thread display cables through holes in control cabinet front Lay touchpad/display on top of control cabinet: adhesive side up.
Part 7: SOLID STATE CIRCUIT BOARDS 7.5 Circuit Board Removal and Replacement (Cont.) Refer to the General Notes on page 70 before proceeding with the instructions below. WARNING: When working on the dishwasher, disconnect the electrical service and place a red tag at the disconnect switch to indicate work is being done on that circuit. 7.5.4 Time Select (Fill/Chemical Dispenser) Board Removal and Replacement Refer to the pictures and instructions given below.
Part 8: COMPONENT REPAIR AND REPLACEMENT This Page Intentionally Left Blank 86
Part 8: COMPONENT REPAIR AND REPLACEMENT PART 8: COMPONENT REPAIR AND REPLACEMENT 8.1 Introduction In This Part— • Special Tools and Materials • Electrical Component Locator Diagram • Troubleshooting the 10-point Terminal Board • Component Repair and Replacement Procedures The instructions contained in Part 8 are intended for Champion authorized technicians and should not be used by untrained personnel. Persons not properly trained should not attempt to repair or make adjustments to the dishwasher.
Part 8: COMPONENT REPAIR AND REPLACEMENT 8.1 Introduction (Cont.) 8.1.2 Electrical Component Locator Diagram The combined illustration below shows the major electrical components (except chemical pumps) for models UH-200B, UH-200, UH-100B, UH-100, and UL-100 dishwashers.
Part 8: COMPONENT REPAIR AND REPLACEMENT 8.1.2 Electrical Component Locator Diagram Component Descriptions Wash pump: Mounted right side of base. Drain pump/ Drain valve: Mounted rear of base. Drain pump works simultaneously with drain valve to pump water out of the dishwasher Wash pump contactor: Mounted on bracket right front of base. 120VAC from timer control board energizes contactor coil. Wash tank Mounted on bracket right front of base.
Part 8: COMPONENT REPAIR AND REPLACEMENT 8.1 Introduction (Cont.) 8.1.3 Troubleshooting the 10-point Terminal Board The 10-point terminal board is mounted on a bracket located in the right front corner of the machine base. The terminal board provides easy access for making voltage checks to most of the electrical components mounted on the base of the machine. Voltages are measured between a numbered wire and common (#2). All voltages are control voltage and should read approximately 120VAC.
Part 8: COMPONENT REPAIR AND REPLACEMENT 8.1.3 Troubleshooting the 10-point Terminal Board (Cont.) Troubleshooting Procedure: The following procedure is suggested as a method for troubleshooting a trouble condition. 1. Identify the problem condition by observing machine operation. (Refer to Section 6.4, page 60, and the Troubleshooting Flow Charts in back of manual.) 2. Turn POWER pushbutton off and back on to enter self diagnostics. 3. Check for error codes. (Refer to Section 6.3, page 68.) 4.
Part 8: COMPONENT REPAIR AND REPLACEMENT PART 8: COMPONENT REPAIR AND REPLACEMENT (Cont.) 8.2 Components This section provides photos, illustrations and basic instruction for the removal and replacement of the main components of the dishwasher. It does not cover all components such as the wash arm supports, hoses or panels. These repairs require simple observation and basic mechanical skill and therefore are not included in this manual. Chemical dispensing pump installation is covered in Section 2.
Part 8: COMPONENT REPAIR AND REPLACEMENT 8.2.2 Water Line Strainer A 3/4" line strainer was shipped unmounted with the UH-200B, UH-200 dishwasher. The line strainer should be installed in the incoming water supply line before the machine. The line strainer has a removable screen that should be cleaned at least once a year. UH-200B, UH-200 To clean the line strainer: 1. Turn the main water supply to the machine off. Retaining nut 2. Push the POWER pushbutton off, if machine is ON, to enter auto-shutdown.
Part 8: COMPONENT REPAIR AND REPLACEMENT 8.2.3 Fill/Rinse Water Solenoid Valve (Cont.) UH-200B, UH-200 To remove the valve assembly (Cont.): 7. Remove the coil assembly. 8. Remove the valve bonnet using strap wrench or pipe wrench. 9. Inspect valve body. If pitted, replace entire valve assembly. Otherwise, install repair kit. 10. Reassemble in reverse order. 11. Restore water and power and check for leaks.
Part 8: COMPONENT REPAIR AND REPLACEMENT Fill/Rinse Water Solenoid Valve (Cont.) UH-100B, UH-100, UL-100 To remove the valve assembly (Cont.): 6. Pull valve assembly forward and out of the dishwasher. 7. Remove the coil wires. 8. Remove three retaining screws in the bonnet and lift the coil and bonnet off the body. 9. Inspect valve body. If pitted, replace entire valve assembly. Otherwise, install repair kit. 10. Remove the retaining nut and extract the line strainer screen. 11. Flush clean with water.
Part 8: COMPONENT REPAIR AND REPLACEMENT 8.2.5 Vacuum Breaker UH-200B, UH-200 The 1/2" vacuum breaker is located at the top left rear corner of the dishwasher. It prevents siphoning of water from the dishwasher back into the potable water supply. The vacuum breaker contains a replaceable float assembly. ! CAUTION: The vacuum breaker is connected to the plastic final rinse manifold. Use extreme caution when servicing the breaker to prevent damage to final rinse manifold.
Part 8: COMPONENT REPAIR AND REPLACEMENT 8.2.6 Pressure Transducer UH-200B, UH-200 The pressure transducer is located at the top left rear corner of the dishwasher. It is mounted in final rinse manifold and connected by a cable to the Temperature/Pressure Display Board located in the slide-out control cabinet (See Fig. 7.4.2, page 74). The pressure transducer senses water pressure in the final rinse manifold during the final rinse cycle. It sends a signal to the Temperature/Pressure Display Board.
Part 8: COMPONENT REPAIR AND REPLACEMENT 8.2.6 Pressure Transducer UH-200B, UH-200 (Cont.) (continued from previous page) Pressure Transducer Cable To temperature/ pressure display bd. in control cabinet Pressure Transducer O-ring (not included with transducer) Red stripe indicates Pin1 Pin1 !! ATTENTION !! Transducer must be installed so Pins point as shown Final Rinse Manifold Pressure Transducer UH-200B, UH-200 ONLY 7. Remove the transducer turning CCW out of the manifold.
Part 8: COMPONENT REPAIR AND REPLACEMENT 8.2.7 Thermistors ALL THERMISTORS ARE IDENTICAL. Refer to Section 8.1.2, page 89, for a description of the thermistor functions. To check the thermistor: 1. Verify the temperature of the water with a calibrated test instrument. 2. Refer to Section 7.4.2, page 74-75, Connector CN3 on the Temperature/ Pressure Display Board provides the test points for checking the thermistor temperature output.
Part 8: COMPONENT REPAIR AND REPLACEMENT 8.2.8 Wash Tank Heater and High Limit Thermostat (All models except UL-100) The wash tank heater is mounted in the bottom of the wash tank sump. It maintains the wash tank water temperature at a minimum of 150°F/60°C. The heater is protected from a low water condition by a surface mounted high limit thermostat. The UL-100 does not have a wash tank heater or high limit thermostat. Check the high limit thermostat before replacing a suspected heater: 1.
Part 8: COMPONENT REPAIR AND REPLACEMENT 8.2.9 Booster Tank Heater and High Limit Thermostat UH-200B, UH-100B The booster tank assembly is mounted on the left side of the machine base. It raises the incoming water temperature to a minimum of 180°F/82°C for the final rinse cycle. The heater is protected from a low water condition by a surface mounted high limit thermostat. Check the high limit thermostat before replacing a suspected heater: 1.
Part 8: COMPONENT REPAIR AND REPLACEMENT 8.2.10 Wash Pump/Motor (All Models) The wash pump/motor, drain pump/motor and drain valve are mounted on a removable plate. The plate can be pulled out the front of the dishwasher to gain access to the components. Removing the Pump Mounting Plate: 1. Push the POWER pushbutton off, if machine is ON, to enter auto-shutdown. 2. Turn off main incoming power. 3. Remove lower front panel. 4. Remove dispensing pump(s) if equipped. 5. Disconnect drain valve wires. 6.
Part 8: COMPONENT REPAIR AND REPLACEMENT 8.2.10 Wash Pump/Motor (All Models) Capacitor Assembly Shim Washer (Do not Discard) Seal Assembly Impeller (Left hand Thread) Impeller Nut and Washers Stationary Portion of Seal Assembly Drain Plug Rubber Boot Ceramic Face Replacing the Wash Pump Seal: Carbon Face Rotating Portion of Seal Assembly SEAL ASSEMBLY DETAIL Red Red Motor White White N 32 20 31 WC 2 1. Remove the 8 mm drain plug in the pump volute and drain the pump. 2.
Part 8: COMPONENT REPAIR AND REPLACEMENT 8.2.11 Drain Pump/Motor and Drain Valve (All Models) There are no service replacement parts for the drain pump/motor, nor the drain valve. The components can be disassembled and cleaned if necessary. Exploded views of the drain pump/motor and drain valve are provided below. The drain components are mounted on the pump mounting plate. Refer to Section 8.2.10, Removing the Pump Mounting Plate, page 102. To service the Drain Pump/motor or drain valve: Method 1: 1.
Part 8: COMPONENT REPAIR AND REPLACEMENT 8.2.12 Wash Arm Bearings (All Models) All dishwasher models use two interchangeable wash arm assemblies, one upper and one lower. Each wash arm contains two replaceable bearings. Models UH-200B, UH-200 also have a separate upper and lower rinse arm assembly. To replace the wash arm bearings: 1. Remove knurled retaining screw from the wash arm. (For UH-200B, UH-200 first remove rinse arm assembly) 2. Place the wash arm face down on a clean working surface. 3.
Part 8: COMPONENT REPAIR AND REPLACEMENT 8.2.13 Rinse Arm Bearings (UH-200B, UH-200 Only) The UH-200B, UH-200 dishwasher models use two interchangeable wash arm assemblies, and two interchangeable rinse arm assemblies. Refer to Section 8.2.12 for wash arm bearing repair. Each rinse arm contains two replaceable bearings. To replace the rinse arm bearings: 1. Unscrew the knurled spindle in the rinse arm assembly and remove the rinse arm assembly. 2. Place the rinse arm on a clean working surface. 3.
Part 8: COMPONENT REPAIR AND REPLACEMENT 8.2.14 Door Shock and Hinge (All Models) All dishwasher models utilize (2) twin seal gas-operated shocks for the door. The shocks serve the same purpose as a conventional door spring on other machines. The advantage of the shock is smoother door operation and a softer, more controlled door closure than door spring designs. Door Shock Preparation for Repair: 1. Push the POWER pushbutton off, if machine is ON, to enter auto-shutdown. 2.
Part 8: COMPONENT REPAIR AND REPLACEMENT 8.2.15 Door Safety Switch and Magnet (All Models) All dishwasher models utilize a magnetic reed door safety switch mounted in the left front corner of the slide out control cabinet. A door magnet operates the safety switch when the door is fully closed. The dishwasher will not operate if the door is open when the POWER pushbutton is pushed ON to fill the machine. Door safety switch If the dishwasher is in an automatic cyle, opening the door will pause the cycle.
Part 8: COMPONENT REPAIR AND REPLACEMENT 8.2.16 Circuit Breaker (All Models) All dishwasher models are equipped with an 8 AMP circuit breaker mounted on the lower left corner of the machine. The breaker is located behind the lower front access panel. The circuit breaker protects the 120VAC control circuit in the event of an overload. The circuit breaker is a manual reset device and should be checked if the dishwasher fails to operate. To replace circuit breaker: Circuit Breaker 1. 2. 3. 4.
Part 8: REPLACEMENT PARTS This Page Intentionally Left Blank 110
Part 9: REPLACEMENT PARTS PART 9: REPLACEMENT PARTS In This Part— • Parts illustrations and replacement parts lists Special Materials The following solvents, sealants, and pipe compounds are required for repairs but are not called out in the replacement parts list.
Part 9: REPLACEMENT PARTS 7 6 1 6 7 6 6 7 6 2 5 7 9 11 8 6 6 4 3 7 11 STUD STUD 10 Figure 9.
Part 9: REPLACEMENT PARTS UPPER HOOD ASSEMBLY AND CONTROL CABINET (ALL MODELS) Fig. 9.1 Item No. 1 2 3 4 5 6 7 8 9 10 11 Part No. 322688 322660 322684 323413 0503647 107966 107033 107967 106026 100007 106486 Part Description PANEL, TOP ................................................................................. PANEL, CONTROL...................................................................... CHANNEL, HARNESS ...............................................................
21 REPLACEMENT PARTS 14 12 14 9 14 14 22 21 19 20 6 15 1 17 23 Figure 9.
Part 9: REPLACEMENT PARTS TANK, BASE, GUIDE RAILS, AND PANELS (UH-200B, UH-200) Fig. 9.2 Item No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Part No. 322639 322648 108035 108036 322650 322651 322649 322682 322685 112892 112892 112867 112919 107967 322662 322663 0501418 100778 107966 107033 100778 106482 112920 Part Description Qty. TANK ASSEMBLY ......................................................................... BASE ASSEMBLY .....................................................
20 21 21 REPLACEMENT PARTS 13 22 25 21 6 20 19 21 20 19 15 1 17 24 9 4 3 17 18 16 17 8 11 22 25 17 14 22 10 21 14 25 12 25 22 5 20 19 7 2 19 23 Part 9: Figure 9.
Part 9: REPLACEMENT PARTS TANK, BASE, GUIDE RAILS, AND PANELS (UH-100B, UH-100, UL-100) Fig. 9.3 Item No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Part No. 322639 322648 108035 108036 322652 322653 322649 322682 322686 322685 112898 112892 112867 112919 322662 322663 0501418 100778 107966 107033 100778 107967 322645 322646 106482 Part Description Qty. TANK ASSEMBLY .......................................................................... BASE ASSEMBLY ........................
Part 9: REPLACEMENT PARTS 4 2 5 6 4 3 11 7 8 1 6 7 9 10 Figure 9.
Part 9: REPLACEMENT PARTS DOOR AND DOOR SAFETY SWITCH ASSEMBLY (ALL MODELS) Fig. 9.4 Item No. 1 2 3 4 5 6 7 8 9 10 11 Part No. 322690 112727 111026 108954 112659 106551 106026 112543 112779 322672 322635 Part Description Qty. DOOR .............................................................................................. GASKET, DOOR ............................................................................ MAGNET, DOOR SAFETY ...........................................................
Part 9: REPLACEMENT PARTS 1 To temperature/ pressure display bd. in control cabinet 4 2 5 3 6 16 15 7 6 18 To upper wash arm support 8 17 14 To rinse aid pump 6 To outside lower wash arm support 19 11 10 12 13 10 11 To booster outlet UH-200B or To fill/rinse valve UH-200 Figure 9.
Part 9: REPLACEMENT PARTS FINAL RINSE MANIFOLD ASSEMBLY (UH-200B, UH-200) Fig. 9.5 Item No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Part No. 112741 112668 112731 112612 112646 105994 112538 112537 322668 107967 106026 112536 112734 112798 100500 108349 107424 112763 112883 Part Description Qty. HARNESS, PRESSURE TRANSDUCER ....................................... TRANSDUCER, PRESSURE .......................................................... O-RING, PRESSURE TRANSDUCER .........................
Part 9: REPLACEMENT PARTS (See final rinse manifold for rinse aid injection point on UH-200B, UH-200) 1 10 AR RE 2 11 To detergent pump 3 4 6 7 Water level probe and detergent injection point UH-200B, UH-200 LE FT SID E 16 17 1 To detergent pump 13 RE To rinse aid pump 12 AR 2 8 LEF 15 14 5 To sanitizer pump (UL-100 Only) TS IDE 6 7 To booster outlet on UH-100B or fill/rinse valve on UH-100, UL-100 Fill chute and chemical injection point UH-100B, UH-100, UL-100 4 LE SID E
Part 9: REPLACEMENT PARTS CHEMICAL INJECTION POINTS WATER LEVEL PROBE ASSEMBLY (UH-200B, UH-200) AND FILL CHUTE ASSEMBLY (UH-100B, UH-100, UL-100) Fig. 9.6 Item No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Part No. 107424 100736 112632 0509048 106026 100141 106482 112539 112612 112728 112879 112880 112906 112648 112852 107966 107033 Part Description Qty. PLUG 1/8" ....................................................................................... BOLT, 1/4" X 3/4" HEX HD .........................
Part 9: REPLACEMENT PARTS 19 18 1 2 3 5 6 4 23 22 To Rinse Manifold Top of Hood 7 20 8 21 9 10 25 12 11 15 4 13 16 14 4 5 17 6 26 To Rinse Manifold 24 27 22 Figure 9.
Part 9: REPLACEMENT PARTS SUMP AND SPRAY PIPING ASSEMBLY (UH-200B, UH-200) Fig. 9.7 Item No. 1 2 3 4 5 6 7 8 9 — 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 Part No. Part Description Qty. 110215 107873 112641 109466 112535 105993 112642 112771 112544 112545 323265 112640 110562 108954 112612 109467 109460 109463 100141-T 106026 110881 100736 105994 112538 112537 110440 110214 106482 SCREW, SPECIAL ......................................................................... WASHER, PACKING ...
Part 9: REPLACEMENT PARTS 19 18 1 2 3 5 4 6 Top of Hood 7 20 8 25 21 26 Seals heater mtg. holes 9 27 UL-100 Only 10 22 12 11 15 4 13 16 14 4 5 17 6 23 Figure 9.
Part 9: REPLACEMENT PARTS SUMP AND SPRAY PIPING ASSEMBLY (UH-100B, UH-100, UL-100) Fig. 9.8 Item No. 1 2 3 4 5 6 7 8 9 — 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 Part No. Part Description Qty. 110215 107873 112732 109466 112535 105993 112642 112771 112544 112546 323265 112640 110562 108954 112612 109467 109460 112639 100141-T 106026 110881 100736 110440 110214 106482 112910 104882 104584 SCREW, SPECIAL .........................................................................
Part 9: REPLACEMENT PARTS 1 2 Upper Spray Arm Assembly 3 2 4 5 6 7 8 5 Figure 9.
Part 9: REPLACEMENT PARTS SPRAY ARM ASSEMBLY (UH-200B, UH-200) Fig. 9.9 Item No. Part No. Part Description Qty. 1 2 3 4 5 6 7 8 112619 112618 112616 112620 112551 112550 112547 112549 SPINDLE, RINSE ARM ................................................................. BEARING, RINSE ARM ................................................................ RINSE ARM ASSEMBLY (INCLUDES ITEMS 1-4) .................. NUT, RETAINING ..........................................................................
Part 9: REPLACEMENT PARTS Upper Spray Arm Assembly 1 2 3 4 5 2 Figure 9.
Part 9: REPLACEMENT PARTS SPRAY ARM ASSEMBLY (UH-100B, UH-100, UL-100) Fig. 9.10 Item No. 1 2 3 4 5 — Part No. Part Description Qty. 112716 112551 112550 112547 112549 RETAINER, WASH ARM .............................................................. BEARING, WASH ARM ................................................................ NUT, WASH ARM .......................................................................... WASH ARM ASSEMBLY (INCLUDES ITEMS 1-5) ................... HUB, WASH ARM ........
132 1 To incoming water supply 12 11 2 Figure 9.
Part 9: REPLACEMENT PARTS FILL/RINSE VALVE ASSEMBLY (UH-200B, UH-200) Fig. 9.11 Item No. Part No. 1 2 — 0505320 112584 113122 3 — 109886 111437 4 5 — 112851 112734 113124 6 7 105994 112831 8 — 322667 324935 9 10 11 — 100734 106026 111471 111472 12 — 109902 109903 13 106482 Part Description Qty. WASHER, HOSE ............................................................................ HOSE, REINFORCED FILL 1/2" ID (Prior to S/N U-1991) ......... HOSE, REINFORCED FILL 3/4" ID ...........
134 Figure 9.
Part 9: REPLACEMENT PARTS FILL/RINSE VALVE ASSEMBLY (UH-100B, UH-100, UL-100) Fig. 9.12 Item No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Part No. 0505320 112584 112886 0504952 112851 112852 105994 112830 100734 106026 322678 0505235 0505229 0501406 0502811 0502804 0502803 0504958 0502807 106482 Part Description Qty. WASHER, HOSE ............................................................................ HOSE, REINFORCED FILL 1/2" ID .............................................
136 6 Figure 9.
Part 9: REPLACEMENT PARTS WASH PUMP PIPING DRAIN PUMP, DRAIN VALVE AND DRAIN PIPING (ALL MODELS) Fig. 9.13 Item No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Part No. 107340 112530 104165 112529 104164 105993 112540 112531 112541 112729 323201 107966 100141 100734 106026 112850 323393 105993 112849 112848 106482 Part Description Qty. CLAMP, HOSE ............................................................................... HOSE, ELBOW- PUMP INTAKE ........................................
REPLACEMENT PARTS 14 11 13 12 10 9 8 7 6 4 5 3 1 2 Part 9: Figure 9.
Part 9: REPLACEMENT PARTS WASH PUMP/MOTOR ASSEMBLY (ALL MODELS) Fig. 9.14 Item No. Part No. Part Description Qty. 1 2 3 4 5 6 7 8 9 10 11 112836 ——— ——— ——— ——— 112843 112842 ——— 112838 112837 112841 VOLUTE, PUMP ............................................................................ SCREW, SELF TAPPING ............................................................... NUT, RETAINING .......................................................................... WASHER, LOCK ..........................
140 1 To final rinse manifold on UH-200B or To fill chute on UH-100B 15 14 2 9 12 7 8 16 13 11 3 9 4 10 Figure 9.
Part 9: REPLACEMENT PARTS BOOSTER ASSEMBLY (UH-200B, UH-100B) Fig. 9.15 Item No. 1 2 3 4 — — — 5 6 7 8 9 10 11 12 13 14 15 16 Part No. 112542 101259 109985 112949 112950 107909 111334 100003 106482 100734 106026 105994 112851 112612 110562 108954 112536 112648 106482 Part Description Qty. TANK, BOOSTER .......................................................................... PLUG, 1/8" NPT BRASS ............................................................... GASKET, HEATER ..........................
Part 9: REPLACEMENT PARTS To pressure transducer Figure 9.
Part 9: REPLACEMENT PARTS SOLID STATE CONTROLS (ALL MODELS) Fig. 9.16 Item No. Part No. Part Description Qty. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 106090 107966 103378 0503574 0503647 112856 112855 112903 107967 106026 108954 112659 112741 112780 PLATE, CABLE TIE ....................................................................... NUT, GRIP 10-32 W/NYLON INSERT ......................................... TIE, CABLE ....................................................................................
REPLACEMENT PARTS M CO 8 stud 17 16 12 13 18 7 6 19 14 10 8 1 11 15 9 8 2 8 2 I SAN 2 26 2 R/A DET 24 25 3 CO M CO M 5 4 6 7 18 Part 9: Figure 9.
Part 9: REPLACEMENT PARTS BASE MOUNTED ELECTRICAL CONTROLS (ALL MODELS) Fig. 9.17 Item No. Part No. Part Description Qty. 1 322661 BRACKET, ELECTRICAL MOUNTING ..................................... (SINGLE PHASE) 1 — 322693 BRACKET, ELECTRICAL MOUNTING ..................................... (THREE PHASE) 1 2 107369 CONTACTOR, 25A, 2P, 120V COIL (SINGLE PHASE) .............. (ALL MODELS) (WASH PUMP/MOTOR) 1 3 107369 CONTACTOR, 25A, 2P, 120V COIL ...........................................
1 2 146 6 3 4 5 Figure 9.
Part 9: REPLACEMENT PARTS (OPTIONAL) DETERGENT PUMP FOR HIGH TEMP MACHINES (UH-200B, UH-200, UH-100B, UH-100) Fig. 9.18 Item No. Part No. Part Description Qty. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 108299 322675 100734 106482 106026 107050 110159 102564 111884 108194 108411 112879 112880 112878 0503695 112754 0501869 112728 MOTOR, PUMP DRIVE................................................................. BRACKET, SINGLE CHEMICAL PUMP .....................................
148 1 Optional Rinse Aid Pump UH-100B, UH-100 Optional Rinse Aid Pump UH-200B, UH-200 1 2 6 3 4 5 2 Figure 9.
Part 9: REPLACEMENT PARTS (OPTIONAL) RINSE AID PUMP FOR HIGH TEMP MACHINES (UH-200B, UH-200, UH-100B, UH-100) Fig. 9.19 Item No. Part No. Part Description Qty. COMMON PARTS 1 108299 2 322675 3 100734 4 106482 5 106026 6 107050 7 110159 8 102564 9 111884 MOTOR, PUMP DRIVE................................................................. BRACKET, SINGLE CHEMICAL PUMP ..................................... BOLT, 1/4-20 X 1/2" HEX HD .......................................................
18 To fill chute 10 7 8 To supply 12 11 13 9 Note: All chemical pumps are the same. 6 2 3 4 5 1 1 Figure 9.
Part 9: REPLACEMENT PARTS (STANDARD) CHEMICAL DISPENSING PUMPS FOR LOW TEMP MACHINE (UL-100) Fig. 9.20 Item No. Part No. Part Description Qty. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 108299 322676 100734 106482 106026 107050 102564 110159 111884 108194 108411 112878 112880 0503695 0505483 0503694 112754 0501869 MOTOR, PUMP DRIVE................................................................. BRACKET, 3 POSITION CHEMICAL PUMP .............................. BOLT, 1/4-20 X 1/2" HEX HD ..........
Part 9: REPLACEMENT PARTS 1 2 4 3 Figure 9.
Part 9: REPLACEMENT PARTS DISHRACKS, LINE STRAINER, AND PRV (ALL MODELS) Fig. 9.21 Item No. 1 2 3 4 Part No. 101273 101285 104421 108265 Part Description Qty. DISHRACK, FLAT BOTTOM ....................................................... DISHRACK, PEG ........................................................................... STRAINER, LINE 1/2" (UH-200B, UH-200 ONLY) ................... VALVE, PRESSURE REDUCING (PRV) (OPTIONAL) 1/2" ......
Part 10: 9: ELECTRICAL REPLACEMENT SCHEMATICS PARTS This Page Intentionally Left Blank 154
Part 10: ELECTRICAL SCHEMATICS PART 10: ELECTRICAL SCHEMATICS In This Part— • Electrical Schematics by Model and Phase 155
Part 10: ELECTRICAL SCHEMATICS This Page Intentionally Left Blank 156
WL 1 PRIME 12NOV97 J.NEGLEY SCALE SHEET 1 OF 1 EXTENDED WASH CUSTOMER TO SUPPLY RATED VOLTAGE/PHASE/Hz, AS SPECIFIED PER ORDER,TO DISCONNECT SWITCH. ALL POWER SUPPLIED TO EACH CONNECTION POINT MUST COMPLY WITH ALL LOCAL ELECTRIC CODES. DR.BY DATE 16 CYCLE START POWER OVERLAY XFMR REV. A B 15 14 PT T3 T T2 PW R CN2 LED2 PW R CN CN4 CN1 CS685-A OUT1 T2 CN3 RC1 OUT2 DESCRIPTION TIMER CONTROLLER T1 13 13 T1 CN2 T1 3 REVISED SCHEMATIC REDREW INPUT BLOCK LED1 PRES.
WL 1 16 15 14 DR.BY DATE 12NOV97 J.NEGLEY SCALE SHEET 1 OF CUSTOMER TO SUPPLY RATED VOLTAGE/PHASE/Hz, AS SPECIFIED PER ORDER,TO DISCONNECT SWITCH. ALL POWER SUPPLIED TO EACH CONNECTION POINT MUST COMPLY WITH ALL LOCAL ELECTRIC CODES.
DR.BY DATE 12NOV97 J.NEGLEY SCALE SHEET 1 OF CUSTOMER TO SUPPLY RATED VOLTAGE/PHASE/Hz, AS SPECIFIED PER ORDER,TO DISCONNECT SWITCH. ALL POWER SUPPLIED TO EACH CONNECTION POINT MUST COMPLY WITH ALL LOCAL ELECTRIC CODES.
TEMP. DISPLAY DR.BY DATE 12NOV97 J.NEGLEY SCALE SHEET 1 DSS LED1 OF PW R CN2 1 T3 T T2 LED2 PRES. DISPLAY CUSTOMER TO SUPPLY RATED VOLTAGE/PHASE/Hz, AS SPECIFIED PER ORDER,TO DISCONNECT SWITCH. ALL POWER SUPPLIED TO EACH CONNECTION POINT MUST COMPLY WITH ALL LOCAL ELECTRIC CODES. PRIME EXTENDED WASH CYCLE START POWER OVERLAY 1 PW R CN CN4 CN1 CS685-A OUT1 T2 CN3 RC1 OUT2 A B REV.
TEMP. DISPLAY DR.BY DATE 12NOV97 J.NEGLEY SCALE SHEET 1 DSS LED1 OF PW R CN2 1 T3 T T2 LED2 PRES. DISPLAY CUSTOMER TO SUPPLY RATED VOLTAGE/PHASE/Hz, AS SPECIFIED PER ORDER,TO DISCONNECT SWITCH. ALL POWER SUPPLIED TO EACH CONNECTION POINT MUST COMPLY WITH ALL LOCAL ELECTRIC CODES. SANITIZER PRIME RINSE AID PRIME DETERGENT PRIME EXTENDED WASH CYCLE START POWER OVERLAY 1 PW R CN CN4 CN1 CS685-A OUT1 T2 CN3 RC1 OUT2 A B REV.
TO CUSTOMERS DISCONNECT SWITCH L1 TO N = 120V L2 TO N = 120V L1 TO L2 = 208-240V L2 TO L3 = 208-240V L1 TO L3 = 208-240V PER LOCAL ELECTRICAL CODE 208-240/60/3 5 WIRE L1 L2 L3 N UH-100B THREE PHASE A701627 GND 27 35 BOOSTER HEAT 34 BC1 BC1 BC1 HLTH BC BC1 CB DP DRP DSS DV EWS FV HC HC1 HLTH RP SS TCB TCR TCW WC WC1 BOOSTER CONTACTOR BOOSTER CONTACTS CIRCUIT BREAKER DETERGENT PUMP (OPTIONAL) DRAIN PUMP DOOR SAFETY SWITCH DRAIN VALVE EXTENDED WASH SWITCH RINSE/FILL VALVE HEATER CONTACTOR (COI
TO CUSTOMERS DISCONNECT SWITCH L1 TO N = 120V L2 TO N = 120V L1 TO L2 = 208-240V L2 TO L3 = 208-240V L1 TO L3 = 208-240V PER LOCAL ELECTRICAL CODE 208-240/60/3 5 WIRE L1 L2 L3 UH-200B THREE PHASE A701628 N GND 27 35 BOOSTER HEAT 34 BC BC1 CB DP DRP DSS DV EWS FV HC HC1 HLTH PT RP SS TCB TCR TCW WC WC1 BOOSTER CONTACTOR BOOSTER CONTACTS CIRCUIT BREAKER DETERGENT PUMP (OPTIONAL) DRAIN PUMP DOOR SAFETY SWITCH DRAIN VALVE EXTENDED WASH SWITCH RINSE/FILL VALVE HEATER CONTACTOR (COIL) HEATER CONTACTS
