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Moyer Diebel 401-HTM2 PLUS Technical Manual

Undercounter dishwasher
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Simply Engineered Better
September, 2003
2674 N. Service Road
Jordan Station, Ontario, Canada L0R 1S0
Moyer Diebel, Ltd.
Technical Manual
Undercounter
Dishwasher
Machine Serial No.
905/562-4195
Model
401-HTM2 PLUS
401-HTNM2 PLUS
401-LTM2 PLUS
0510645
P/N
Manual
Fax: 905/562-4618

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Summary of Contents for Moyer Diebel 401-HTM2 PLUS

  • Page 1 Simply Engineered Better September, 2003 2674 N. Service Road Jordan Station, Ontario, Canada L0R 1S0 Moyer Diebel, Ltd. Technical Manual Undercounter Dishwasher Model 401-HTM2 PLUS 401-HTNM2 PLUS 401-LTM2 PLUS Machine Serial No. Manual 905/562-4195 0510645 Fax: 905/562-4618...
  • Page 2 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, along with your customer account number. COPYRIGHT © 2003 by Moyer Diebel Serial Number ________________________ Phone _____________ Phone _____________...

  • Page 3: Revision History

    REVISIONS Revision History Revision Revised Serial Number Comments Date Pages Effectivity 7/16/03 Issue of manual and replacement parts lists.
  • Page 4 THIS PAGE INTENTIONALLY LEFT BLANK...

  • Page 5: Table Of Contents

    INTRODUCTION... 1 WARRANTY ... 2 GENERAL ... 3 INSTALLATION ... 5 Unpacking ... 5 Electrical Connections... 5 Plumbing Connections ... 6 Detergent ... 6 Rinse-Aid ... 6 Chemical Sanitizer ... 6 Completing Installation ... 7 OPERATION ... 8 Operation Summary ... 8 Operation Procedures ...
  • Page 6 CONTENTS Figure 9—Detergent Pump Assembly... 32 Figure 10—Sanitizer/Rinse-Aid Pump Assembly... 34 Figure 11—Control Panel Assembly... 36 Figure 12—Electrical Diagram, 401-HT PLUS ... 40 Figure 13—Electrical Diagram, 401-HTN PLUS ... 41 Figure 14—Electrical Diagram, 401-LT PLUS ... 42 Figure 15—Timer Chart and Diagram, 401-HT PLUS... 43 Figure 16—Timer Chart and Diagram, 401-LT PLUS ...

  • Page 7: Introduction

    INTRODUCTION Welcome to Moyer Diebel. Thank you for choosing Moyer Diebel 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 8: Limited 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 9: General

    GENERAL This manual covers the Moyer Diebel 401PLUS undercounter dishwashing machine. This machine is fully automatic and is equipped with a 1/2 H.P. pump motor. All models are available for mounting directly to the floor or on optional stands (see accessories listed on page 4).
  • Page 10 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) • 101285 - Dish Rack (Peg Rack) •...

  • Page 11: Installation

    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 12: Plumbing Connections

    Have your chemical supplier check the concentration and make the necessary adjustments. NOTE: A nonchlorinated detergent is recommended for your dishwasher. Rinse Aid A rinse aid pump is included on all models. Insert the labeled Rinse Aid pickup tube into the rinse aid container.

  • Page 13: Completing 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 folowing procedure must be followed AFTER the electrical and plumbing connections have been made.

  • Page 14: Operation

    Open the door and remove the rack of clean ware. Daily Operation Procedures The operation of your dishwasher will be more efficient when these procedures are followed: Check that the spray arm and scrap screen are in place. Close and latch the door. Push the ON/FILL switch to the ON position. The tank will begin filling with water.
  • Page 15 NOTE: The machine may be stopped at any time by opening the door. When restarted, the cycle does not start over. It will continue from the point at which it was interrupted. Check the rinse temperature during the final rinse (120 seconds into cycle). The rinse temperature must be 82°C/180°F minimum for models 401-HT PLUS, 401-HTN PLUS and 60°C/140°F for model 401-LT PLUS.

  • Page 16: 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 17: Deliming

    Maintenance Schedule • As Required Check the temperature gauge reading to make sure that it is accurate. 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.

  • Page 18: Deliming Procedure

    The dishwasher will complete a regular cycle. Check the deliming results and repeat if necessary per the chemical supplier’s specifications. Operate the dishwasher for at least four complete cycles to purge the machine of any deliming chemicals. Drain the dishwasher. Deliming is complete.

  • Page 19: Troubleshooting

    TROUBLESHOOTING Before determining any specific cause of a breakdown or abnormal operation of your dishwasher, check that: Power supply is turned on. All switches are ON. Wash arms are clean. Scrap screen is properly positioned and clean. Thermostat is at the correct setting.
  • Page 20 THIS PAGE INTENTIONALLY LEFT BLANK...

  • Page 21: Replacement Parts

    REPLACEMENT PARTS REPLACEMENT PARTS...
  • Page 22 REPLACEMENT PARTS 00050 Figure 1 — Track and Panel Assembly...

  • Page 23: Figure 1-Track And Panel Assembly

    TRACK AND PANEL ASSEMBLY Fig. 1 Part Item No. 0508751 Screw, 10-32 x 1-1/2" Lg. Truss Head ... 0309572 Front Panel ... 0501413 Screw, 10-32 x 3/8" Lg. Round Head... 0501415 Screw, 10-32 x 5/8" Lg. Round Head... 0308632 Track, RH ... 0308631 Track, LH ...
  • Page 24 REPLACEMENT PARTS 00020 Figure 2 — Door and Switch Assembly...

  • Page 25: Figure 2-Door And Switch Assembly

    DOOR AND SWITCH ASSEMBLY Fig. 2 Part 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)... 0509436 Plunger, Door Catch ...
  • Page 26 REPLACEMENT PARTS TO RINSE TO DRAIN TO PUMP DRAIN Figure 3 — Tank/Drain Assembly 00037A THERMOMETER (CALLED OUT IN CONTROL BOX)

  • Page 27: Figure 3-Tank/Drain Assembly

    TANK/DRAIN ASSEMBLY Fig. 3 Part Item No. 0508628 Scrap Screen... 201029 Locknut, 1/2 NPT Nickel-Plated ... 0501836 O-Ring, Thermometer ... 0508872 Adapter, Thermometer ... 0507265 Hose, 5/8" ID x 7/8" OD PVC Braided (3 ft.) ... 0510082 Clamp, hose... 0509302 Hose 5/8"...
  • Page 28 REPLACEMENT PARTS 00005 TANK BOTTOM Figure 4 — Pump Assembly...

  • Page 29: Figure 4-Pump Assembly

    Fig. 4 Part 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, Top ... 0502741 Diffuser... 0502704 Impeller ... 0502746 Adapter Plate, Suction... 0502745 Plate, Drain lnlet...
  • Page 30 REPLACEMENT PARTS TOP OF HOOD PUMP TANK BOTTOM FROM PUMP Figure 5 — Wash System Assembly 00038A...

  • Page 31: Figure 5-Wash System Assembly

    WASH SYSTEM ASSEMBLY Fig. 5 Part 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 Truss Head ... 0508541 Bushing, Upper Wash Arm ... 0710593 Wash Arm, Upper...

  • Page 32: Figure 6—Booster Assembly And Water Inlet Piping (Ht Plus Only)

    REPLACEMENT PARTS Figure 6 — Booster Assembly and Water Inlet Piping (HT PLUS Only)

  • Page 33: Figure 7-Water Inlet Piping (Htn Plus, Lt Plus Only)

    BOOSTER ASSEMBLY AND WATER INLET PIPING Fig. 6 Part Item No. 0503679 Clamp, hose... 0509214 Hose, 1/2" I.D... 0502653 Elbow, 3/8 MPT X1/2 Hose x 90°... 0508840 Bushing, reducing 3/4 NPT x 3/8 NPT Brass ... 0501419 Bolt., 1/4-20 x 1/2" Hex Head... 0501501 Washer, Lock 1/4"...
  • Page 34 REPLACEMENT PARTS Figure 7 — Water Inlet Piping (HTN PLUS, LT PLUS Only)
  • Page 35 (HTN PLUS, LT PLUS ONLY) Fig. 7 Part Item No. 0503718 Foot, adjustable ... 0503679 Clamp, hose... 107417 Hose, 1/2" ID (LT PLUS Only)... 107417 Hose, 1/2" I.D (HTN PLUS Only) ... 0502653 Elbow, 3/8 MPT x 1/2" Hose x 90° Brass ... 0504952 Valve, solenoid (3/8NPT) ...
  • Page 36 REPLACEMENT PARTS 00039 Figure 8 — Fill System...

  • Page 37: Figure 8-Fill System

    Fig. 8 Part Item No. 107417 Hose, 1/2" I.D. (HTN PLUS, LT PLUS)... 0501518 Tie Wrap, Hose... 106090 Bracket, Tie Wrap ... 107966 Nut, Grip, 10-32 w/Nylon Insert ... 0509048 Gasket, Inlet Chute ... 0508867 Inlet Chute ... 0501519 Tie, Nylon 4" ... 107417 Hose, Fill 1/2"...
  • Page 38 REPLACEMENT PARTS Detergent TO DETERGENT Figure 9 — Detergent/Rinse Aid Pump Assemblies Rinse Aid SUPPLY (HT PLUS, HTN PLUS) 00022 TO FILL SYSTEM TO FILL ASSY TO CHEMICAL SUPPLY...
  • Page 39 DETERGENT/RINSE AID PUMP ASSEMBIES Fig. 9 Part Item No. 0503757 Motor, Pump (Detergent) ... 0503756 Motor, Pump Injector (Rinse Aid) ... 0308610 Bracket, Detergent/Sanitizer Pumps (Rinse Aid)... Screw, M4 x 35mm Hex Head ... 0501412 Screw, 10-32 x 3/8" Lg. Truss Head... Housing, Pump ...
  • Page 40 REPLACEMENT PARTS DETERGENT PUMP (SEE FIG. 9) Figure 10 — Detergent/Sanitizer/Rinse-Aid Pump Assembly TO FILL SYSTEM TO CHEMICAL SUPPLY (LT PLUS Only) 00002...
  • Page 41 DETERGENT/SANITIZER/RINSE-AID PUMP ASSEMBLIES Fig. 10 Part Item No. 0503756 Motor, Pump... 0308610 Bracket, Detergent/Rinse Pump ... 0308697 Bracket, Sanitizer Pump ... 0501412 Screw, 10-32 x 3/8" Lg. Truss Head... 0501497 Washer, Lock #8 Split ... 0504822 Screw, 8-32 x 1/2" Lg. Pan Head ... 0707142 Rotor Assy...

  • Page 42: Figure 11—Control Panel Assembly

    REPLACEMENT PARTS Figure 11 — Control Panel Assembly...

  • Page 43: Control Panel Assembly

    CONTROL PANEL ASSEMBLY Fig. 11 Part Item No. 0710583 Timer assy (HT PLUS Only) (Includes items 2-5) ... 0708538 Timer assy (HTN PLUS Only) (Includes items 2-5) ... 0708590 Timer assy (LT PLUS Only) (Includes Items 2-5) ... 0504956 Motor, timer... 0501379 Switch, timer ...
  • Page 44 THIS PAGE INTENTIONALLY LEFT BLANK...

  • Page 45: Electrical Schematics

    ELECTRICAL SCHEMATICS ELECTRICAL SCHEMATICS...

  • Page 46: Figure 12—Electrical Diagram, 401-Ht Plus

    ELECTRICAL SCHEMATICS TO CUSTOMER DISCONNECT SWITCH 115V NEUTRAL 230V SERVICE SWITCH FILL CAM 8 PSDR BHTR BOOSTER HEATER CYCLE ON LIGHT BLACK CONTACTOR BLUE CONTACTOR COIL CAM 1 HOMING DETERGENT MOTOR CAM 2 PUMP MOTOR DRAIN PUMP CAM 3 PUMP MOTOR REVERSING DOOR SWITCH CAM 4 DRAIN...

  • Page 47: Figure 13—Electrical Diagram, 401-Htn Plus

    CAM 1 CAM 8 PSDR BLACK BLUE CAM 1 HOMING CAM 2 PUMP MOTOR CAM 3 PUMP MOTOR REVERSING CAM 4 DRAIN CAM 5 FILL CAM 6 RINSE CAM 7 DETERGENT HTLS CAM 8 CYCLE PSDR HOLE DIMENSIONS TOLERANCE DECIMAL ANGLE SCALE FORMING:DIMENSIONS ARE FROM...

  • Page 48: Figure 14—Electrical Diagram, 401-Lt Plus

    ELECTRICAL SCHEMATICS CAM 9 PSDR BLACK BLUE CAM 1 HOMING CAM 2 PUMP MOTOR CAM 3 PUMP MOTOR REVERSING CAM 4 DRAIN CAM 5 FILL CAM 6 RINSE HTLS CAM 7 SANITIZER CAM 8 DETERGENT PSDR CAM 9 CYCLE HOLE DIMENSIONS TOLERANCE DECIMAL ANGLE...

  • Page 49: Figure 15—Timer Chart And Diagram, 401-Ht Plus

    TIMING CHART 401-HTM2 TIME IN SECS HOMING WASH PUMP FORWARD=WASH WASH PUMP REVERSE=DRAIN WASH PUMP REVERSING CAM DRAIN VALVE DRAIN PUMP OPTIONAL FILL VALVE RINSE OPTIONAL PUMP DETERGENT PUMP AUTO-FILL DRAIN RINSE SENTRY COM. TIMER SWITCH DETAIL If booster thermostat is calling for heat, cam 9 will pause wash cycle until it reaches 82 C/180 F.

  • Page 50: Figure 16—Timer Chart And Diagram, 401-Lt Plus

    TIMING CHARTS TIMING CHART 401-LTM2 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 Figure 16 — Timer Chart and Diagram, 401-LT PLUS 5 4 3 LOCKING SCREW TIMER ASSEMBLY 401-LTM2...

This manual is also suitable for:

401-htnm2 plus401-ltm2 plus

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