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Champion TUW Technical Manual

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Champion
The Dishwashing Machine Specialists
August, 2001
P.O. Box 4149
Winston-Salem, North Carolina 27115-4149
Champion Industries, Inc.
Technical Manual
Undercounter
Dishwasher
Model
TUW
U-BW
UTL
Machine Serial No.
Manual
336/661-1556
®
0508812
P/N
REV. H
Fax: 336/661-1660

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  • Page 1 Champion ® The Dishwashing Machine Specialists Technical Manual Undercounter Dishwasher Model U-BW Machine Serial No. August, 2001 0508812 Manual REV. H P.O. Box 4149 Winston-Salem, North Carolina 27115-4149 Champion Industries, Inc. 336/661-1556 Fax: 336/661-1660...
  • Page 2 Champion Service Agency ___________________________________ Phone _____________ _____________________________________________________________________________ Champion Industries Service: 1-800-858-4477 Champion Service Fax: 1-336-661-1660 NOTE: When calling to order parts, be sure to have the model number, serial number, voltage, and phase of your machine. COPYRIGHT © 2001 by Champion Industries...
  • Page 3 REVISIONS Revision History Revision Revised Serial Number Comments Date Pages Effectivity 4/10/00 — Added Models U-BW and UTL to manual and parts list. 11/16/00 38-39 — Deleted P/N 112204 thermostat, replaced with P/N 109069 for all serial numbers. 1/17/01 — Revised front panel number to 0308741.

  • Page 4: Table Of Contents

    CONTENTS CONTENTS Page INTRODUCTION............................WARRANTY .............................. GENERAL ..............................INSTALLATION ............................Unpacking ............................Electrical Connections.......................... Plumbing Connections ......................... Detergent .............................. Rinse-Aid ............................. Chemical Sanitizer ..........................Completing Installation ........................OPERATION .............................. Operation Summary ..........................Operation Procedures ........................... Extended Wash Cycle .......................... MAINTENANCE............................10 Cleaning Schedule..........................
  • Page 5 Figure 15—Electrical Diagram, UTL (For machines beginning with S/N 6984) ........44 Figure 16—Electrical Diagram, TUW (50Hz) .................... 45 Figure 17—Electrical Diagram, TUW (For machines built prior to S/N 6984) ......... 46 Figure 18—Timer Chart and Diagram, TUW, U-BW ................47...

  • Page 6: Introduction

    INTRODUCTION Welcome to Champion. Thank you for choosing Champion and for allowing us to take care of your dishwashing needs. This manual covers several models. Model numbers are shown on the front cover. Your machine has been completely assembled, inspected, and thoroughly tested at our factory to eliminate problems at installation before it was shipped to your installation site.

  • Page 7: Warranty

    Champion Industries/Moyer Diebel Limited warrants all new machines of its manufacture bearing the name “Champion” or "Moyer Diebel" and installed within the United States and Canada to be free from defects in material and workmanship for a period of one (1) year after the date of installation or fifteen (15) months after the date of shipment by Champion/Moyer Diebel, whichever occurs first.

  • Page 8: General

    • Kit 507 - Right side panel only (P/N 0708746) • Kit 508 - Rinse aid pump kit (P/N 0708754) • Kit 510 - Extended reach pumped drain kit (TUW, U-BW, UTL) (P/N 0708766) • Kit 511 - 30°C/70°F temperature rise booster (for 49°C/110°F supply water).
  • Page 9 GENERAL Accessories • 17RS - 17" rack stand (raises working height and adds rack storage) • 17T - 17" cabinet (raises working height and adds storage) • CST - Combination sink/table (scraping and sorting station) • 0501653 - Dish Rack (Peg Rack) •...

  • Page 10: Installation

    INSTALLATION INSTALLATION Unpacking WARNING: Care should be taken when lifting the machine to prevent damage. Immediately after unpacking your machine, inspect for any shipping damage. If damage is found, save the packing material and contact the carrier immediately. Remove the dishwasher from the skid. Adjust the feet if required, then move the machine to its permanent location.

  • Page 11: Plumbing Connections

    INSTALLATION Plumbing Connections CAUTION: Plumbing connections must comply with local sanitary and plumbing codes. Water Connections Connect the hot water supply (60°C/ 140°F Min) to the 1/2" I.D. fill hose. The fill solenoid valve is equipped with a flow control that will accept water pressures from 172 kPa/25 psi to 665 kPa/95 psi.

  • Page 12: Completing Installation

    INSTALLATION Completing Installation Remove any foreign material from inside the machine. Center the scrap screen over the sump opening. Prime the booster using the following procedure (if applicable). CAUTION: To prime the booster, the following procedure must be followed AFTER the electrical and plumbing connections have been made.

  • Page 13: Operation

    When the tank is full, check the wash tank temperature gauge. Minimum wash temperatures are: • TUW, U-BW – 150°F/66°C. • UTL – 140°F/60°C. Scrap and preflush all items to be washed, and load the items into the rack. DO NOT OVERLOAD the rack.

  • Page 14: Extended Wash Cycle

    Extended Wash Cycle On models TUW, U-BW, but not on model UTL, an extended wash cycle is available for pots, pans and heavily soiled items. To use the Extended Wash Cycle: 1.

  • Page 15: Maintenance

    MAINTENANCE MAINTENANCE The efficiency and life of your machine is increased by regularly scheduled preventive maintenance. A well maintained machine gives better results and service. An investment of a few minutes of daily maintenance will be worthwhile. The best maintenance you can provide is to keep your machine clean. Components that are not regularly cleaned and flushed will clog and become inoperative.

  • Page 16: Deliming

    Add the delime chemical to wash the tank (per chemical supplier specifications). Close and latch the door. On models TUW and U-BW, depress the EXTENDED WASH/DELIME switch on the front panel as soon as the cycle starts. On model UTL, proceed to step 5 of this procedure.

  • Page 17: Maintenance Schedule

    MAINTENANCE Maintenance Schedule • As Required Check the temperature gauge reading. Check the chemical supplies and refill as necessary. • Weekly Inspect all water lines for leaks and tighten them at joints if required. Clean all detergent residue from the exterior of the machine. Check the drain for leaks.

  • Page 18: Troubleshooting

    TROUBLESHOOTING TROUBLESHOOTING Before determining any specific cause of a breakdown or abnormal operation of your dishwasher, check that: Turn all switches ON, except for the extended wash switch. Wash arms are clean. Scrap screen is properly positioned and clean. Thermostat(s) are at their correct setting. Sanitizer, detergent, and rinse additive dispensers are adequately filled.
  • Page 19 TROUBLESHOOTING TROUBLESHOOTING (con’t) CONDITION CAUSE SOLUTION No water in wash well Opening door prior ......Close door. Wait for green cycle light to cycle completion to go out before opening door. No water in wash tank Door not latched ........Latch door.

  • Page 20: Replacement Parts

    REPLACEMENT PARTS REPLACEMENT PARTS...

  • Page 21: Figure 1-Track And Panel Assembly

    REPLACEMENT PARTS 00001 Figure 1 — Track and Panel Assembly...
  • Page 22 Part Description Item No. 0508751 Screw, 10-32 x 1-1/2" Lg. Truss Head ........0308741 Front Panel (TUW, U-BW, UTL) (S/N 6795 and above)... 0308741 Front Panel (UTL) ..............— No Longer Available 0501413 Screw, 10-32 x 3/8" Lg. Round Head.........

  • Page 23: Figure 2-Door And Switch Assembly

    REPLACEMENT PARTS 00020 Figure 2 — Door Switch Assembly...
  • Page 24 REPLACEMENT PARTS DOOR & SWITCH ASSEMBLY (For Machines Beginning with S/N 6984 and Above) Fig. 2 Part Description Item No. 0501412 Screw, 10-32 x 3/8" Truss Head ..........0308596 Plate, Door Latch................ 0308597 Handle, Door Latch ..............0508721 Retaining Ring, Plunger ............. 0709462 Assembly, Door Catch (Includes items 4, 6) ......

  • Page 25: Figure 3-Tank Heat And Drain

    REPLACEMENT PARTS 00004 TO RINSE THERMOSTAT (CALLED OUT IN CONTROL BOX) THERMOMETER (CALLED OUT IN CONTROL BOX) TO PUMP DRAIN TO DRAIN Figure 3 — Tank Heat and Drain...
  • Page 26 REPLACEMENT PARTS TANK HEAT/DRAIN ASSEMBLY Fig. 3 Part Description Item No. 0508628 Scrap Screen................0508536 Heater Element 220V-60Hz-1PH (TUW, UTL)......0508537 Heater Element 110V-60Hz-1PH (U-BW, UTL) ....... 0508578 Adapter, Pump Tube..............0501539 Nut, Plain 1/4-20 ................ 0501501 Washer, Lock, 1/4" Split.............
  • Page 27 REPLACEMENT PARTS 00005 TANK BOTTOM Figure 4 — Pump Assembly...

  • Page 28: Figure 4-Pump Assembly

    REPLACEMENT PARTS PUMP ASSEMBLY Fig. 4 Part Description Item No. 0508542 Spindle, Lower Wash Arm ............0501431 Screw, 8-32 x 1-1/8" Round Head..........0501425 Screw, 8-32 x 5/8" Round Head ..........0508793 Housing, Diffuser ............... 0502741 Diffuser..................0502704 Impeller ..................0502746 Adapter Plate, Suction..............
  • Page 29 REPLACEMENT PARTS 00006 TOP OF HOOD PUMP TANK BOTTOM FROM PUMP Figure 5 — Wash System Assembly...

  • Page 30: Figure 5-Wash System Assembly

    REPLACEMENT PARTS WASH SYSTEM ASSEMBLY Fig. 5 Part Description Item No. 0508549 Hose, Upper Wash ..............0502563 Clamp, Hose 1"................0708650 Spindle, Upper Wash Arm............0503588 O-ring, 1-1/8" x 1-3/8" ............... 0501412 Screw, 10-32 x 3/8" Lg. Truss Head........... 0508541 Bushing, Upper Wash Arm............
  • Page 31 REPLACEMENT PARTS 00021 WATER CONNECTION WATER CONNECTION TO BOOSTER OR FILL Figure 6 — Water Inlet Piping...

  • Page 32: Figure 6-Water Inlet Piping

    0300065 Support, Fill Valve..............0501424 Bolt, 1/4-20 x 3/8" Lg. Hex Head ..........0503713 Elbow, Street 3/8 MPT x 1/2 FPT Brass (TUW, U-BW, UTL).. (Prior to S/N 6795) 0502618 Coupler, 3/8 MPT x 1/2" Hose barb........... 0503679 Clamp, Hose (all except TUW, U-BW, UTL) ......
  • Page 33 REPLACEMENT PARTS 00018 Figure 7 — Fill System Figure 7 — Fill System...

  • Page 34: Figure 7-Fill System

    Inlet Chute (Beginning with S/N 5733 & above)....... 0508656 Gasket, Inlet Chute (Prior to S/N 5733) ........0508609 Inlet Chute (Prior to S/N 5733) ..........0501519 Tie Wrap, Chemical Hose ............0509214 Hose, Flll 1/2" I.D. (White) (TUW, U-BW)....... 3 ft.
  • Page 35 REPLACEMENT PARTS Figure 8 — Booster Assembly...

  • Page 36: Figure 8-Booster Assembly

    REPLACEMENT PARTS BOOSTER ASSEMBLY (Includes Models HT, UT, UT-LC) Fig. 8 Part Description Item No. 0503679 Clamp, Hose ................0509214 Hose, 1/2" I.D. (42") ..............3 ft. 0502653 Elbow, 3/8 MPT x 1/2" Hose x 90° Brass ........0508840 Bushing, Reducing 3/4 NPT x 3/8 NPT Brass ......0501419 Bolt, 1/4-20 x 1/2"...
  • Page 37 REPLACEMENT PARTS 00022 TO FILL ASSY TO DETERGENT SUPPLY Figure 9 — Detergent Pump Assembly...
  • Page 38 Fig. 9 Part Description Item No. 0503757 Motor, Pump................0308637 Bracket, Detergent Pump (TUW, U-BW) ........0308610 Bracket, Detergent/Sanitizer Pumps (UTL) ....... Screw, M4 x 35mm Hex Head ........... 0501412 Screw, 10-32 x 3/8" Lg. Truss Head........... Housing, Pump ................
  • Page 39 REPLACEMENT PARTS 00002 TO FILL DETERGENT SYSTEM PUMP (SEE FIG. 9) TO CHEMICAL SUPPLY Figure 10 — Sanitizer/Rinse Aid Pump Assembly...
  • Page 40 REPLACEMENT PARTS SANITIZER/RINSE AID PUMP LT/UTL Fig. 10 Part Description Item No. 0503756 Motor, Pump................0308610 Bracket, Detergent/Sanitizer Pump (UTL)......... 0308697 Bracket, Rinse-Aid Pump (Optional) ......... 0501412 Screw, 10-32 x 3/8" Lg. Truss Head........... 0501497 Washer, Lock #8 Split ..............0504822 Screw, 8-32 x 1/2"...
  • Page 41 REPLACEMENT PARTS 00003 TO DRAIN FROM DRAIN VALVE Figure 11 — Drain Pump Assembly...
  • Page 42 REPLACEMENT PARTS DRAIN PUMP ASSEMBLY 501 UTL, UT-LC Fig. 11 Part Description Item No. 0308119 Bracket, Pump Hold Down ............0501419 Bolt, 1/4-20 x 1/2" Lg. Hex Head ..........0501501 Washer, Lock 1/4" Split.............. Motor, Pump................Backing Plate, Pump ..............0508370 Gasket, Pump Volute ..............
  • Page 43 REPLACEMENT PARTS 00019 TO BOOSTER TO TANK 16 17 TO TANK Figure 12 — Control Cabinet...
  • Page 44 0501379 Switch,Timer (TUW, U-BW) ............. 0501379 Switch, Timer (UTL)..............* 14 0708538 Timer Assy (includes items 11, 12, 38) (TUW, U-BW)..... * 15 0708590 Timer Assy (includes items 11, 13, 38) (UTL) ......* 16 0708590 Timer Assy (includes items 11, 13, 38) (UTL) ......
  • Page 45 REPLACEMENT PARTS CONTROL CABINET ASSEMBLY (cont’d) TUW, U-BW, UTL Fig. 12 Part Description Item No. 0503701 Bearing, Timer Shaft ..............0501292 Power Cord (U-BW, UTL) (Not Shown) ........112185 Bracket, Ranco thermostat ............— Sheetmetal screw (#8 x 3/16") ...........
  • Page 46 ELECTRICAL SCHEMATICS ELECTRICAL SCHEMATICS...

  • Page 47: Electrical Diagrams

    ;;;;;;;;;;;; yyyyyyyyyyyy ELECTRICAL SCHEMATICS ;;;;;;;;;;;; yyyyyyyyyyyy Figure 13 - Electrical Diagram, TUW (For machines beginning with S/N 6984)
  • Page 48 ELECTRICAL SCHEMATICS ;;;;;;;;;;;; yyyyyyyyyyyy Figure 14 - Electrical Diagram, U-BW (For machines beginning with S/N 6984)
  • Page 49 ELECTRICAL SCHEMATICS Figure 15 - Electrical Diagram, UTL (For machines beginning with S/N 6984)

  • Page 50: Electrical Schematics

    WHITE CAM 5 FILL CAM 6 RINSE GROUND WHTR WATER HEATER CAM 7 DETERGENT GREEN WATER THERMOSTAT CAM 8 CYCLE HLTS HIGH LIMIT THERMOSTAT CYCLE ON LIGHT MAIN SWITCH ON/FILL OFF/DRAIN 0508975/A Figure 16 - Electrical Diagram, TUW (50 Hz)

  • Page 51: Timer Charts And Diagrams

    TANK HEAT THERMOSTAT CAM 5 FILL FILL VALVE WHITE CAM 6 RINSE GROUND WHTR WATER HEATER CAM 7 DETERGENT GREEN CAM 8 AUTO-FILL DRAIN HLTS HIGH LIMIT THERMOSTAT Figure 17 - Electrical Diagram, TUW (For machines built prior to S/N 6984)
  • Page 52 REVERSING CAM DRAIN VALVE DRAIN PUMP FILL VALVE RINSE OPTIONAL PUMP DETERGENT PUMP AUTO-FILL DRAIN COM. TIMER SWITCH DETAIL 5 4 3 TIMER MOTOR LOCKING SCREW TIMER ASSEMBLY 501HT TUW, U-BW Figure 18 - Timer Chart and Diagram, TUW, U-BW...
  • Page 53 TIMING CHARTS 00016 TIMING CHART 501LT TIME IN SECS HOMING WASH PUMP FORWARD=WASH WASH PUMP REVERSE=DRAIN WASH PUMP REVERSING CAM DRAIN VALVE DRAIN PUMP FILL VALVE RINSE PUMP SANITIZER PUMP DETERGENT PUMP AUTO-FILL DRAIN COM. TIMER SWITCH DETAIL 5 4 3 TIMER MOTOR LOCKING SCREW TIMER ASSEMBLY 501LT...

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U-bwUtl

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