Moyer Diebel 401-LT manual

Simply Engineer ed Better T echnical Manual Under counter Dishwasher Model 401-HT 401-HTN 401-L T Manual P/N 0509604 REV. G February , 2003 2674 N. Service Road Jordan Station, Ontario, Canada L0R 1S0 Moyer Diebel, Ltd. Fax: 905/562-4618 905/562-4195 Machine Serial No.[...]

Complete the information below so it will be available for quick reference. Model Number __________________________ Serial Number ________________________ V oltage and Phase ______________________________________________________________ Moyer Diebel Parts Distributor _______________________________ Phone _____________ (if applicable) ______________[...]

Revision History Revision Revised Serial Number Comments Date Pages Effectivity 02/28/97 All 7791 Issue of manual and replacement parts lists. 09/09/98 27 7791 Changed booster tank part number. 09/09/98 29 7791 Changed item 15 hose part number. 02/28/00 40, 41, 42, 43 7791 Revised electrical schematic. 07/21/00 17, 23, 37 7791 Revised part numbers.[...]

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CONTENTS CONTENTS Page INTRODUCTION ....................................................................................................................................... 1 WARRANTY .............................................................................................................................................. 2 GENERAL ..............[...]

CONTENTS Figure 9—Detergent Pump Assembly............................................................................................... .......... 32 Figure 10—Sanitizer/Rinse-Aid Pump Assembly.................................................................................... ... 34 Figure 11—Control Panel Assembly..........................[...]

1 INTRODUCTION INTRODUCTION W elcome 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 . Y our machine has been completely assembled, inspected, and thoroughly tested at our factory to eliminate problems at i[...]

2 W ARRANTY LIMITED W ARRANTY Champion Industries/Moyer Diebel Limited, P.O. Box 4183, Winston-Salem, North Carolina 27115, and P. O. Box 301, 2674 North Service Road, Jordan Station, Ontario, Canada L0R 1S0 warrants machines, and parts, as set out below. Warranty of Machines: Champion Industries/Moyer Diebel Limited warrants all new machines of it[...]

3 GENERAL GENERAL This manual covers the Moyer Diebel 401 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). Standard equipment includes: -Automatic tank fill -W ash/rinse[...]

4 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) • 101273 - Silverware Rack (Flat Bottom Rack) Electrical Power Requirements Booster[...]

5 INST ALLA TION INST ALLA TION Unpacking W ARNING: Car e should be taken when lifting the machine to prevent damage. 1. Immediately after unpacking your machine, inspect for any shipping damage. If damage is found, save the packing material and contact the carrier immediately . 2. Remove the dishwasher from the skid. Adjust the feet if required, t[...]

INST ALLA TION 6 Plumbing Connections CAUTION: Plumbing connections must comply with local sanitary and plumbing codes. W ater Connections 1. Connect the hot water supply (60°C/ 140°F Min) to the 1/2" I.D. fill hose provided. The fill solenoid valve is equipped with a flow control that will accept water pressures from 172 kPa/25 psi to 665 k[...]

INST ALLA TION 7 Completing Installation 1. Remove any foreign material from inside the machine. 2. Center the scrap screen over the sump opening. 3. Prime the booster using the following procedure (if applicable). CAUTION: To prime the booster , the following procedur e must be followed AFTER the electrical and plumbing connections have been made [...]

8 OPERA TION OPERA TION Operation Summary (See Timer Chart in back of manual) The following is a summary of your Undercounter Dishwashing Machine operating cycle: 1. The cycle begins when you close and latch the door . 2. The green cycle lamp lights and the wash pump starts. 3. The pump runs during the wash cycle for approximately 80 seconds. 4. Th[...]

9 OPERA TION 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. 7. 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 and 401-HTN [...]

10 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[...]

11 MAINTENANCE Deliming Y our dishwasher should be delimed regularly as required. This will depend on the mineral content of your water . Inspect your machine interior for lime deposits. If deliming is required, a deliming agent should be used for best results. If you have the chemical sanitizing model (401-L T), carefully follow the following proc[...]

12 MAINTENANCE Maintenance Schedule • As Required 1. Check the temperature gauge reading. 2. Check the chemical supplies and refill as necessary . • W eekly 1. Inspect all water lines for leaks and tighten them at joints if required. 2. Clean all detergent residue from the exterior of the machine. 3. Check the drain for leaks. 4. Remove and clo[...]

13 TROUBLESHOOTING TROUBLESHOOTING Before determining any specific cause of a breakdown or abnormal operation of your dishwasher , check that: 1. Power supply is turned on. All switches are ON. 2. W ash arm is clean. 3. Scrap screen is properly positioned and clean. 4. Thermostat is at the correct setting. 5. Sanitizer , detergent, and rinse additi[...]

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15 REPLACEMENT P AR TS REPLACEMENT PA R T S[...]

16 REPLACEMENT P AR TS 12 12 12 11 10 00050 9 6 5 4 3 7 2 1 8 Figure 1 — Track and Panel Assembly[...]

17 REPLACEMENT P AR TS TRACK AND P ANEL ASSEMBL Y Fig. 1 Part Description Qty Item No. No. 1 0508751 Screw , 10-32 x 1-1/2" Lg. T russ Head ....................................... 2 2 0309572 Front Panel ................................................................................. 1 3 0501413 Screw , 10-32 x 3/8" Lg. Round Head.......[...]

18 REPLACEMENT P AR TS 1 2 3 5 7 8 9 10 11 12 13 14 15 16 17 18 15 1 6 4 1 00020 Figure 2 — Door and Switch Assembly[...]

19 REPLACEMENT P AR TS DOOR AND SWITCH ASSEMBL Y Fig. 2 Part Description Qty Item No. No. 1 0501412 Screw , 10-32 x 3/8" T russ Head ................................................. 6 2 0308596 Plate, Door Latch........................................................................ 1 3 0308597 Handle, Door Latch .............................[...]

20 REPLACEMENT P AR TS THERMOMETER (CALLED OUT IN CONTROL BOX) TO PUMP 10 11 9 8 11 7 6 5 12 TO DRAIN 1 4 3 2 00037 Figure 3 — Tank/Drain Assembly[...]

21 REPLACEMENT P AR TS T ANK/DRAIN ASSEMBL Y Fig. 3 Part Description Qty Item No. No. 1 0508628 Scrap Screen ............................................................................... 1 2 201029 Locknut, 1/2 NPT Nickel-Plated ................................................ 1 3 0501836 O-Ring, Thermometer ......................................[...]

22 REPLACEMENT P AR TS TANK BOTTOM 12 14 13 11 10 9 8 7 6 5 4 2 3 1 00005 Figure 4 — Pump Assembly[...]

23 REPLACEMENT P AR TS PUMP ASSEMBL Y Fig. 4 Part Description Qty Item No. No. 1 0508542 Spindle, Lower W ash Arm ......................................................... 1 2 0501431 Screw , 8-32 x 1-1/8" Round Head.............................................. 4 3 0501425 Screw , 8-32 x 5/8" Round Head ..................................[...]

TANK BOTTOM PUMP 4 3 2 1 00038 24 REPLACEMENT P AR TS Figure 5 — Wash System Assembly[...]

25 REPLACEMENT P AR TS W ASH SYSTEM ASSEMBL Y Fig. 5 Part Description Qty Item No. No. 1 0501563 Screw , #8 x 3/8" (Sheet Metal) T russ Head ............................... 4 2 0501684 Nut, Spray Arm Lock ................................................................. 1 3 0705049 W ash Arm, Lower .............................................[...]

26 REPLACEMENT P AR TS 8 7 THERMOSTAT (CALLED OUT IN CONTROL BOX) TO FILL SYSTEM 10 2 1 2 3 4 5 6 9 11 12 13 14 16 15 17 19 18 20 9 21 21 22 23 00040 24 Figure 6 — Booster Assembly and Water Inlet Piping (HT Only)[...]

27 REPLACEMENT P AR TS BOOSTER ASSEMBL Y AND W A TER INLET PIPING (HT ONL Y) Fig. 6 Part Description Qty . Item No. No. 1 0509214 Hose, 1/2" I.D. ............................................................................ 3 ft. 2 0503679 Clamp, hose ................................................................................ 2 3 0502653 E[...]

28 REPLACEMENT P AR TS Figure 7 — Water Inlet Piping (HTN, LT Only) 1 2 3 5 6 11 12 13 14 15 14 10 7 8 9 2 2 WATER CONNECTIO N TO FILL 4 00049[...]

29 REPLACEMENT P AR TS WA TER INLET PIPING (HTN, L T ONL Y) Fig. 7 Part Description Qty Item No. No. 1 0503718 Foot, adjustable .......................................................................... 4 2 0503679 Clamp, hose ................................................................................ 3 3 0502665 Hose, 1/2" I.D. clear bra[...]

30 REPLACEMENT P AR TS 4 3 7 6 4 5 2 3 4 3 2 4 1 8 Begi nning with S/N 5733 & Above From Detergent Pump (See Corresponding Pump For Hose) From Sanitizer Rinse-aid Pumps RH Side of Tank From Top of Booster or From Fill Valve 00039 Figure 8 — Fill System[...]

31 REPLACEMENT P AR TS FILL SYSTEM Fig. 8 Part Description Qty Item No. No. 1 0502665 Hose, 1/2" I.D. Clear Braided (HTN, L T) .................................. A/R 2 0501518 T ie Wrap, Hose ........................................................................... 2 3 106090 Bracket, T ie W rap...............................................[...]

32 REPLACEMENT P AR TS TO DETERGENT SUPPLY 21 20 19 16 17 22 18 22 16 11 10 9 13 12 8 7 6 4 3 2 1 5 TO FILL ASSY 15 14 00022 Figure 9 — Detergent Pump Assembly (optional)[...]

33 REPLACEMENT P AR TS DETERGENT PUMP ASSEMBL Y (OPTIONAL) Fig. 9 Part Description Qty Item No. No. 1 0503757 Motor , Pump ............................................................................... 1 2 0308637 Bracket, Detergent Pump (except L T) ........................................ 1 3 0308610 Bracket, Detergent/Sanitizer Pumps (L T) ....[...]

34 REPLACEMENT P AR TS TO CHEMICAL SUPPLY 14 13 12 11 10 10 15 9 8 7 6 5 2 3 1 4 DETERGENT PUMP (SEE FIG. 9) TO FILL SYSTEM 00002 Figure 10 — Sanitizer/(Optional) Rinse-Aid Pump Assembly[...]

35 REPLACEMENT P AR TS SANITIZER/(OPTIONAL) RINSE-AID PUMP ASSEMBL Y LT Fig. 10 Part Description Qty Item No. No. 1 0503756 Motor , Pump ............................................................................... 1 2 0308610 Bracket, Detergent/Rinse Pump (Optional)................................ 1 3 0308697 Bracket, Sanitizer Pump ............[...]

L1 L2 T2 T1 S L UP 1 2 5 4 3 6 7 8 22 23 15 16 18 19 20 21 17 9 10 11 12 13 14 21 00033 36 REPLACEMENT P AR TS Figure 11 — Control Panel Assembly[...]

37 REPLACEMENT P AR TS CONTROL P ANEL ASSEMBL Y Fig. 1 1 Part Description Qty . Item No. No. *1 0708538 T imer assy (HT , HTN) (Includes items 2-5) .............................. 1 *1 0708590 T imer assy (L T only) (Includes items 2-5) ................................. 1 2 0504956 Motor , timer ......................................................[...]

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39 ELECTRICAL SCHEMA TICS ELECTRICAL SCHEMA TICS[...]

40 ELECTRICAL SCHEMA TICS 5 CAM 3 NC 34 4 5 CAM 8 NC 32 5 NO 35 4 NO NC NC 35 50 START CW START CCW MAIN TP CAM 4 D V BHTR BOOSTER HEATER BLK BLACK BLU 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 CAM 8 CYCLE CLT CYCLE ON LIGHT PSDR PRIME SWITCH DETERGENT, RINSE ICR RELAY DDS DOOR [...]

41 ELECTRICAL SCHEMA TICS BLK BLACK BLU BLUE CAM 1 HOMING CAM 2 PUMP MOTOR CAM 3 PUMP MOTOR REVERSING CAM 4 DRAIN CAM 5 FILL CAM 6 RINSE CAM 7 SANITIZER CAM 8 DETERGENT CAM 9 CYCLE CLT CYCLE ON LIGHT DM DETERGENT MOTOR DP DRAIN PUMP (IF USED) RL RELAY DV DRAIN VALVE FV FILL VALVE GND GROUND GRN GREEN HTLS HIGH LIMIT THERMOSTAT MSW MAIN SWITCH ON/FI[...]

42 ELECTRICAL SCHEMA TICS NC CAM 3 1 BLK BLACK BLU BLUE CAM 1 HOMING CAM 2 PUMP MOTOR CAM 3 PUMP MOTOR REVERSING CAM 4 DRAIN CAM 5 FILL CAM 6 RINSE CAM 7 SANITIZER CAM 8 DETERGENT CAM 9 CYCLE 8 8 NC NC NO 8 8 8 CAM 9 5 NC NO 4 NC 1CR NO NO 8 CAM 2 NC 8 NC 7 CAM 1 6 NO 9 8 PSS PRIME SWITCH SANITIZER ICR RELAY DSS REED SWITCH RM RINSE MOTOR (IF USED)[...]

43 ELECTRICAL SCHEMA TICS TO CUSTOMER DISCONNECT SWITCH 230V 115 VAC COIL GND 2 2 1 1 1 12 2 15 3 4 4 6 7 4 1 3 3 40 41 99 16 17 16 16 8 33 5 50 3 5 4 3 1 2 3 3 3 41 8 17 3 40 41 17 19 15 33 3 3 3 33 31 30 31 29 28 14 13 12 22 21 20 20 26 25 Cam 7 1CR DSS GND GND CLT SRC TP TM GRN WHT BLK RED DRAIN Wash/ Rinse BLU Main Start CCW Start CW DM DP RM D[...]

44 ELECTRICAL SCHEMA TICS Figure 16 —- Electrical Diagram, 401-HT, HTN 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 TIME IN SECS CAM 1 2 2 3 4 5 6 7 8 WASH PUMP WASH PUMP WASH PUMP REVERSING CAM DRAIN VALVE FILL VALVE RINSE DETERGENT AUTO-FILL HOMING CAM PUMP DRAIN PUMP TIMING CHART 401-HT 150 FORWARD=WASH REVERSE=DRAIN DRAIN PUMP OPTIONAL TI[...]

45 TIMING CHARTS Figure 17 —Timer Chart and Diagram, 401-LT TIMING CHART 401-LT 9 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 TIME IN SECS CAM 1 2 2 3 4 5 6 7 8 WASH PUMP WASH PUMP WASH PUMP REVERSING CAM DRAIN VALVE FILL VALVE RINSE DETERGENT AUTO-FILL HOMING CAM PUMP DRAIN PUMP SANITIZER PUMP 150 FORWARD=WASH REVERSE=DRAIN DRAIN PUMP TIMER[...]