Moyer Diebel MH-60M3 manual

P . O. Box 4183 Winston-Salem, North Car olina 271 15-4183 336/661-1992 Fax: 336/661-1660 Moyer Diebel Model MH-60M3 High T emperatur e with Built-in Booster MH-6NM3 High T emperatur e MH-6LM3 Low T emperatur e Machine Serial No. February , 1998 T echnical Manual Door -T ype Dishwasher Manual P/N 1 12425 REV . B 2674 N. Service Road Jordan Station,[...]

COPYRIGHT ©1998 by Moyer Diebel Machine Machine Data Plate with Model & Serial Number located on the front panel. 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) Moyer Diebel Service Agency Phone Moyer Diebel Service: [...]

Revision History REVISONS 1 Revision Revised Serial Number Comments Date Pages Effectivity 4/27/97 — 89519 MH-M3 control circuit is 120V AC MH-M2 series was 220V AC 1/30/98 All 89519 Reissue of manual and replacement parts lists This manual r eplaces temporary manual issued 4/5/97 7/1/98 65 — Corrected P/N’ s for fuses[...]

CONTENTS LIMITED W ARRANTY ............................................................................................................... 4 INTRODUCTION ......................................................................................................................... 5 Model Number ...........................................................[...]

LIST OF FIGURES (cont.) Figure 9 – Drain Hose Connection ............................................................................................. 13 Figure 10 – Chemical Dispenser Signal T erminal Block ............................................................. 14 Figure 1 1 – Chemical Signal Connection Points ........................[...]

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 its manufactur[...]

INTRODUCTION INTRODUCTION W elcome to Moyer Diebel... and thank you for allowing us to take care of your dishwashing needs. This manual covers the door -type dishwasher , Models MH-60, MH-6N, MH-6L. Y our machine was completely assembled, inspected, and thoroughly tested at our factory before it was shipped to your installation site. This manual co[...]

GENERAL Model Numbers MH-60, MH-6N, MH-6L The MH-60 model is a high temperature (180 ° F/82 ° C rinse) sanitizing model with booster . The MH-6N model is a high temperature (180 ° F/82 ° C rinse) sanitizing model without booster . The MH-6L is a low temperature (Min. 120 ° F/ 49 ° C-140 ° F/60 ° C Optimum) sanitizing model for use with a so[...]

GENERAL Electrical Power Requirements:Fig Electric Heat/Electric Booster Model V oltage Booster Rise Machine Power Requirement (MH-60 Only) Full Load Amps (125% Service Factor) MH-6N/MH-6L 115/60/1 — 48 Amps 60 Amps MH-6N/MH-6L 208/60/1 — 23 Amps 29 Amps MH-6N/MH-6L 220/60/1 — 23 Amps 29 Amps MH-6N/MH-6L 230/60/1 — 23 Amps 29 Amps MH-6N/MH-[...]

INST ALLA TION INST ALLA TION Unpack the dishwasher CAUTION: Car e should be taken when lifting the machine to pr event damage. NOTE: The installation of your machine must meet all applicable health and safety codes. 1. Immediately after unpacking the machine, inspect for any shipping damage. If damage is found, save the packing material and contac[...]

5-1/4"[133mm] MIN. 5-1/4"[133mm] MIN. WALL WALL FRONT POWER ON SWITCH 5-1/4"[133mm] MIN. 5-1/4"[133mm] MIN. WALL WALL FRONT POWER ON SWITCH T o Change from Straight-through Operation to Corner Operation The dishwasher is shipped from the factory for straight-through operation. The following instructions explain how to change the[...]

INST ALLA TION INST ALLA TION (Cont.) Electrical Connections WARNING: Electrical and gr ounding connections must comply with all applicable Electrical Codes. WARNING: When working on the dishwasher , discon- nect the electric service and place a tag at the disconnect switch to indicate work is being done on that cir cuit. 1. A qualified electrician[...]

Electrical Connections (Cont.) Refer to Fig. 5 3. Remove (2) lower screws from the front panel of the machine to expose the electri- cal controls. Remove (2) screws on the control panel support. Swing the hinged control panel forward. Refer to Fig. 6 4. Three phase or single phase incoming power wiring connections are made at the bottom of the mach[...]

INST ALLA TION 12 Figure 7 Hot W ater Connection (MH-60 Only) 3/4" NPT Figure 8 Hot W ater Connection (MH-6N, MH-6L Only) 3/4" NPT INST ALLA TION (Cont.) Plumbing Connections NOTE: Plumbing connections must comply with all applicable sanitary and plumbing codes. W ater Connections 1. All MH series dishwashers require a single, hot water s[...]

INST ALLA TION 13 W ater Connections (Cont.) 2. A manual shut-of f valve for steam and water (supplied by others) should be installed in the supply line to allow for servicing of the machine. The shut-of f valve should be the same size or larger than the supply line. 3. Install a 3/4" pressure reducing valve (PR V) in the water supply line if [...]

COMMON RINSE DETERGENT INST ALLA TION 14 INST ALLA TION (Cont.) Chemical Connections NOTE: Consult a qualified chemical supplier for your chemical needs. Refer to Fig. 10 1. A chemical signal terminal block is supplied for chemical dispensing equipment. 2. The terminal block is located below the control panel fuse block. Refer to Fig. 11 3. The det[...]

INST ALLA TION 15 Chemical Connections (Cont.) Refer to Fig. 12 5. A 1/2" detergent probe injection point is provided at the rear and left side of the dishwasher . 6. Detergent may be added manually if your dishwasher is not equipped with dispensing equipment. Consult your chemical supplier for recommended amounts. Refer to Fig. 13 7. MH-60, 6[...]

INITIAL ST ART -UP 16 Install the Scrap Screens and Drain-Overflow Assembly Install scrap screens. Make sure rubber stopper is secure on the drain- overflow assembly . Make sure the drain-overflow seats securely in the tank bottom. MAKE SURE DOORS ARE FULL Y CLOSED. INITIAL ST ART -UP The controls are located on the front of the dishwasher . A- On/[...]

INITIAL ST AR T -UP 17 Check W ash W ater T emperature The wash tank heater and the (booster tank heater , MH-60 only) will begin to heat the water in the dishwasher . W ait approximately 10 minutes for the wash tank water to reach operating temperature. The temperature should be a minimum of 150 ° F/66 ° C for (MH-60, MH-6N). The MH-6L requires [...]

INITIAL ST ART -UP 18 Fully close the dishwasher doors. The dishwasher will begin the automatic cycle. Opening the doors anytime during the cycle will stop the dishwasher . Closing the doors will resume the automatic cycle where it left off. The cycle times are listed below: W ash = 45 seconds Dwell = 1 second Final rinse = 14 seconds Note that the[...]

INITIAL ST AR T -UP 19 Check the final rinse water temperature during the final rinse cycle. The final rinse water temperature gauge is located in the final rinse piping at the top of the dishwasher . The final rinse water tempera- ture should be a minimum of 180 ° F/82 ° C for (MH-60, MH-6N). The optimum final rinse temperature for (MH-60, MH-6N[...]

INITIAL ST ART -UP 20 The Extended W ash Operation The extended wash switch holds the dishwasher in a continuous wash mode for cleaning heavily soiled ware. Open and then fully close the dishwasher doors. The dish- washer will begin a wash cycle automatically . Push the Extended wash switch UP to the extended wash position. The dishwasher will rema[...]

INITIAL ST AR T -UP 21 13 Drain the dishwasher (Cont.) Be sure the drain-overflow seal is secure on the drain-overflow assembly . Remove the scrap screens and check the drain located in the bottom of the dishwasher wash tank. Make sure that the building drain handles the water flow exiting the dishwasher . Clean the interior of the wash tank of any[...]

OPERA TION SUMMAR Y 1. Push the On/Off power switch “UP” to the ON position. Dishwasher fills automatically . 2. W ait approximately 10 minutes for the wash tank heater to heat the water . Then, check the reading on the wash water temperature gauge. 3. Prescrap and load the ware into the dishrack. 4. Open the doors. Insert a dishrack of soiled [...]

CLEANING 23 CLEANING 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. Intervals should be shortened whenever your machine is faced with abnormal work[...]

CLEANING 24 DELIMING Y our dishwasher should be delimed regularly depending on the mineral content of your water . Inspect the machine interior for mineral deposits and use a deliming solution for the best cleaning results. NOTE: Consult your chemical supplier for an appr opriate deliming solution. W ARNING: Deliming solutions or other acids must n[...]

TROUBLESHOOTING 25 TROUBLESHOOTING Perform the seven checks listed below in the event that your dishwasher does not operate as expected. 1. All switches are ON 2. Drain-overflow assemby is in place and seated 3. W ash and rinse nozzles are clean 4. W ash and rinse pipe assemblies are installed correctly 5. Scrap screens are properly positioned 6. T[...]

TROUBLESHOOTING 26 CONDITION CAUSE SOLUTION Insufficient pumped Clogged pump intake screen ................. Clean spray pressure Clogged spray pipe ............................... Clean Scrap screen full .................................... Must be kept clean and in place Low water level in tank ........................ Check drain-overflow assemb[...]

BASIC SERVICE 27 BASIC SER VICE This Basic Service section does not cover all possible repair procedures. If you require additional service support, you may call your local service company or: Moyer Diebel National Service USA: 1-800-858-4477 Canada: 1-800-263-5798 Please have the Model and Serial Number of the machine r eady when you call. ELECTRI[...]

BASIC SERVICE 28 ELECTRICAL SER VICE (Cont.) Fuses — Refer to Fig. 14. There are two fuse blocks. A 3 pole block (A) is located in the main control cabinet. The (A) fuses protect the wash tank heater circuit. Booster heater circuits (MH-60 only) are not fused. A 2 pole fuse block is located on the machine base to protect the control circuit. T o [...]

BASIC SERVICE 29 ELECTRICAL SER VICE (Cont.) T imers MH-60, MH-6N, and MH-6L models have two timers located in the control cabinet. These timers are not adjustable. The timer chart is shown in Fig. 17. Cycle Timer — Refer to Fig. 16. The cycle timer controls the dishwasher ’ s 60-second operation. The timer consists of a timer motor , four micr[...]

BASIC SERVICE 30 ELECTRICAL SER VICE (Cont.) Heater Element Wiring – Booster T ank and Wash T ank Heater Elements Refer to the illustrations and follow the steps below to properly install terminal jumpers and to make line power connections to a replacement element. Step 1. Hold the element assembly with the calrod coils facing toward you. Step 2.[...]

BASIC SERVICE 31 ELECTRICAL SER VICE (Cont.) Motor Connections — 1. Models MH-60, MH-6N, and MH-6L are available in either single phase or 3 phase voltages. 2. Motor rotation was set at the factory . For three phase machines, reversing the motor direction is done in the control cabinet by reversing the wires L1 and L2 on the disconnect side of th[...]

BASIC SERVICE 32 MECHANICAL SER VICE Pump Seal Replacement 1. Disconnect the power to the machine at the main breaker panel or fuse box. 2. Drain the machine. 3. Remove the front and side panels. 4. Remove drain plug on the pump volute and drain the pump. 5. Remove the pump hoses. 6. Disconnect the wires to the motor at the motor junction box. 7. U[...]

33 REPLACEMENT PARTS REPLACEMENT P ARTS[...]

34 REPLACEMENT PARTS 9 14 12 12 13 13 12 8 1 1 2 3 7 11 8 10 4 5 6 11 11 9 10 Figure 22 - MH-60/6N/6L Doors and Panels[...]

35 REPLACEMENT PARTS MH-60/6N/6L DOORS AND P ANELS Fig. 22 Part Item No. No. Part Description Qty . 1 0709405 DOOR, SIDE ................................................................................ 2 2 0709317 FRONT DOOR, DOOR MACH ................................................... 1 3 321929 RH P ANEL NO CUT OUT ..............................[...]

36 REPLACEMENT PARTS Figure 23 - MH-60/6N/6L Door Guides, Stops, and Lift Bracket 7 2 8 9 1 6 5 4 2 2 3[...]

37 REPLACEMENT PARTS MH-60/6N/6L DOOR GUIDES, ST OPS, AND LIFT BRACKET Fig. 23 Part Item No. No. Part Description Qty . 1 108053 PLUG, CORNERPOST ................................................................ 2 2 107966 NUT , GRIP 10-32 W/INSER T ...................................................... 8 3 0309277 BRACKET , DOOR LIFT ..............[...]

38 REPLACEMENT PARTS 1 2 2 3 28 30 29 30 3 4 5 6 6 7 7 9 9 8 8 5 1 10 10 14 15 16 17 18 18 19 20 21 20 22 23 13 10 14 13 10 11 11 11 11 12 12 24 25 25 26 26 26 27 24 24 26 27 24 Figure 24 - MH-60/6N/6L Door Handle, Spring Assembly , and Safety Switch[...]

39 REPLACEMENT PARTS MH-60/6N/6L DOOR HANDLE, SPRING ASSEMBL Y , AND SAFETY SWITCH Fig. 24 Part Item No. No. Part Description Qty . 1 0509168 BOL T 5/16-18 X 1 1 HEX HEAD ................................................. 2 2 108066 SPRING, EXTENSION ................................................................ 2 3 107397 BLOCK, SPRING HOOK .....[...]

40 REPLACEMENT PARTS Figure 25 - MH-60/6N/6L T rack Assembly (Corner configuration shown) 6 2 6 8 1 6 8 7 11 5 11 7 8 7 7 7 10 9 4 6 6 6 7 10 9 8 3 10 9 10 9[...]

41 REPLACEMENT PARTS MH-60/6N/6L TRACK ASSEMBL Y Fig. 25 Part Item No. No. Part Description Qty . 1 0309469 GUIDE, RIGHT HAND ................................................................ 1 2 0309472 TRACK, REAR ............................................................................ 1 3 0309468 GUIDE, LEFT HAND .............................[...]

42 REPLACEMENT PARTS Figure 26 - MH-60/6N/6L W ash/Rinse Spray Piping FRONT LEFT SIDE 6 4 14 5 4 3 2 1 13 12 11 10 12 11 12 8 7 8 9 2[...]

43 REPLACEMENT PARTS MH-60/6N/6L WASH/RINSE SPRA Y PIPING Fig. 26 Part Item No. No. Part Description Qty . 1 0309444 RINSE TUBE ................................................................................ 1 2 0509181 FITTING, STRAIGHT COMPRESSION .................................... 2 3 0509150 CONNECTOR, T OP RINSE ............................[...]

44 REPLACEMENT PARTS Figure 27 - MH-60/6N/6L W ash/Rinse Spray Arms 9 2 9 2 4 1 3 3 6 5 7 8 10[...]

45 REPLACEMENT PARTS MH-60/6N/6L WASH/RINSE SPRA Y ARMS Fig. 27 Part Item No. No. Part Description Qty . 1 0507443 SPINDLE, RINSE ARM ............................................................... 2 2 0508376 NOZZLE, RINSE ARM (MH-60, MH-6N only) ......................... 12 3 112164 BEARING, RINSE ARM .............................................[...]

46 REPLACEMENT PARTS Figure 28 - MH-60/6N/6L Drain Assembly and Scrap Screens 1 2 3 4 5 6 7 8 9 10 11 12 14 13 15 16 16[...]

47 REPLACEMENT PARTS MH-60/6N/6L DRAIN ASSEMBL Y AND SCRAP SCREENS Fig. 28 Part Item No. No. Part Description Qty . 1 112393 KNOB, DRAIN LIFT ................................................................... 1 2 112394 ROD ASSY , DRAIN LIFT ............................................................ 1 3 112392 GUIDE, DRAIN LIFT .................[...]

48 REPLACEMENT PARTS Figure 29 - MH-60/6N/6L W ash T ank Heat and Thermostats Thermostat bracket detail 1 2 3 4 5 5 6 7 8 10 7 8 14 7 8 7 8 11 9 13 12 15 16 16 3 4[...]

49 REPLACEMENT PARTS MH-60/6N/6L WASH TANK HEA T AND THERMOST A TS Fig. 29 Part Item No. No. Part Description Qty . 1 108391 THERMOMETER 4 FT . ............................................................... 1 2 109069 THERMOST A T W/CAP 1 10-220 ° F ............................................. 1 3 201041 W ASHER .................................[...]

50 REPLACEMENT PARTS Figure 30- MH-60 Only Electric Booster and Thermostats TO UPPER PIPING FROM FILL VALVE 5 3 4 6 7 8 9 10 11 12 1 1 2 2[...]

51 REPLACEMENT PARTS MH-60 ONL Y ELECTRIC BOOSTER AND THERMOST A TS Fig. 30 Part Item No. No. Part Description Qty . 1 100740 BOL T 5/16-18 X 1 HEX HEAD ................................................... 2 2 102376 W ASHER, FLA T 5/16 X 3/4 X 1/16 ............................................. 2 3 108954 NUT , GRIP 6-32 W/INSER T ..................[...]

52 REPLACEMENT PARTS Figure 31 - MH-60 Only Lower Fill Piping Assembly C USTOMER WATER INLET TO UPPE R PIPING 2 10 9 14 16 17 19 18 20 15 8 6 5 5 4 3 2 11 12 13 5 7 1[...]

53 REPLACEMENT PARTS MH-60 ONL Y LOWER FILL PIPING ASSEMBL Y Fig. 31 Part Item No. No. Part Description Qty . 1 112387 LINE STRAINER/PR V COMBO ................................................. 1 2 102444 STREET ELL 3/4" NPT BRASS .................................................. 2 3 102651 NIPPLE 3/4" X 2" BRASS ...................[...]

54 REPLACEMENT PARTS Figur e 32 - MH-60/6N Only Upper Fill Piping Assembly 7 8 9 3 10 11 12 1 2 3 4 13 1 4 3 5 6 WATER IN FROM LOWER PIPING[...]

55 REPLACEMENT PARTS MH-60/6N ONL Y UPPER FILL PIPING ASSEMBL Y Fig. 32 Part Item No. No. Part Description Qty . 1 102438 ELBOW STREET , 1/2" NPT X 90 ° BRASS ................................ 1 2 102567 NIPPLE, 1/2" NPT X 3" BRASS ................................................. 1 3 102392 BUSHING, REDUCER 3/4" NPT X 1/2"[...]

56 REPLACEMENT PARTS Figure 33 - MH-6N/6L Only Lower Fill Piping Assembly 6 5 4 2 1 3 C USTOMER WATER IN 5 TO UPPE R PIPING 7 10 11 8 9 12 13 15 16 17 19 18 14[...]

57 REPLACEMENT PARTS MH-6N/6L ONL Y LOWER FILL PIPING ASSEMBL Y Fig. 33 Part Item No. No. Part Description Qty . 1 102444 ELBOW , STREET X 90 ° BRASS ............................................... 1 2 0309340 BRACKET , PLUMBING SUPPOR T ........................................... 1 3 110768 LINE STRAINER, 3/4" BRASS .........................[...]

58 REPLACEMENT PARTS Figure 34 - MH-6L Only Upper Fill Piping Assembly 7 8 9 3 10 11 12 1 2 3 4 13 1 4 3 5 6 15 WATER IN FROM LOWER PIPING[...]

59 REPLACEMENT PARTS MH-6L ONL Y UPPER FILL PIPING ASSEMBL Y Fig. 34 Part Item No. No. Part Description Qty . 1 102438 ELBOW STREET , 1/2" NPT X 90 ° BRASS ................................ 1 2 102567 NIPPLE, 1/2" NPT X 3" BRASS ................................................. 1 3 102392 BUSHING, REDUCER 3/4" NPT X 1/2" NP[...]

60 REPLACEMENT PARTS Figure 35 - MH-60/6N/6L Pump Assembly 1 2 3 7 4 6 5 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 27 26 28 29 30 31 25[...]

61 REPLACEMENT PARTS MH-60/6N/6L PUMP ASSEMBL Y Fig. 35 Part Item No. No. Part Description Qty . 1 308005 STRAINER ................................................................................... 1 2 107966 NUT , GRIP 10-32 W/NYLON INSER T ....................................... 1 3 104203 CLAMP , HOSE ...........................................[...]

62 REPLACEMENT PARTS Figure 36 - MH-60/6N/6L Control Panel and Gauges W ASH EXTENDED W ASH CYCLE POWER OFF RINSE PRESSURE 1 4 5 7 6 8 9 2 3[...]

63 REPLACEMENT PARTS MH-60/6N/6L CONTROL P ANEL AND GAUGES Fig. 36 Part Item No. No. Part Description Qty . 1 0501361 SWITCH, ON-OFF ....................................................................... 1 2 112390 LITE, RED (POWER) .................................................................. 1 3 112391 LITE, AMBER (In-Cycle) ...............[...]

64 REPLACEMENT PARTS 18 1 2 3 4 5 6 7 8 9 10 11 12 13 13 14 15 16 17 19 20 21 22 23 Main Power T ransformer mounted on machine base (208V -575V/1 or 3 phase) Main Power Fuse Block mounted on machine base (1 15V/1 phase only) Figure 37 - MH-60/6N/6L Control Cabinet[...]

65 REPLACEMENT PARTS MH-60/6N/6L CONTROL CABINET Fig. 37 Part Item No. No. Part Description Qty . 1 0501379 Switch, timer ................................................................................. 4 2 0508773 Motor , timer .................................................................................. 1 3 0709633 Assembly , timer (include[...]

66 REPLACEMENT PARTS Figur e 38 - Dishracks and PRV 1 2 3[...]

67 REPLACEMENT PARTS DISHRACKS AND PR V Fig. 38 Part Part Description Item No. No. Qty . 1 101273 RACK, (Flat Bottom) .................................................................... 1 2 101285 RACK, (PEG) ............................................................................... 1 3 112387 LINE STRAINER/PR V COMBO ........................[...]

68 REPLACEMENT PARTS ELECTRICAL SCHEMA TICS THIS P AGE INTENTIONALL Y LEFT BLANK[...]

TSHC Wash Tank Thermostat TSBC Booster Tank Thermostat TRD Rinse Cycle Cam TRB Wash Cycle Cam TRA Homing Cycle Cam TR Timer Motor T2 120V:24V Transformer T1 LINE:120V Transformer RWV Rinse Water Valve R3 Power-Up Relay R2 Hold-In Relay R1 Fill Relay MPS Main Power Switch LT2 Cycle Light LT1 Power ON Light HCHL Tank Heat High Limit (ELECTRIC HEAT ON[...]

TSHC Wash Tank Thermostat TSBC Booster Tank Thermostat TRD Rinse Cycle Cam TRB Wash Cycle Cam TRA Homing Cycle Cam TR Timer Motor T2 120V:24V Transformer T1 LINE:120V Transformer RWV Rinse Water Valve R3 Power-Up Relay R2 Hold-In Relay R1 Fill Relay MPS Main Power Switch LT2 Cycle Light LT1 Power ON Light HCHL Tank Heat High Limit (Electric Heat ON[...]