Moyer Diebel MH-6NM5 manual

P . O. Bo x 4183 Winston-Salem, North Car olina 27115-4183 336/661-1992 F ax: 336/661-1660 Moy er Diebel Model MH-60M5 High T emperatur e with Built-in Booster MH-6NM5 High T emperatur e MH-6LM5 Lo w T emper atur e Machine Serial No. Mar ch, 2004 T echnical Man ual Door -T ype Dishw asher Manual P/N 113494 Rev E 2674 N. Service Road Jordan Station,[...]

COPYRIGHT © 2004 by Mo y er Diebel Machine Machine Data Plate with Model & Serial Number located on the front panel. Complete the information below so it will be a v ailable for quick reference. Model Number Serial Number V oltage and Phase Mo yer Diebel P ar ts Distributor Phone (if applicable) Mo yer Diebel Service Agency Phone Mo yer Diebel[...]

Re vision Histor y REVISIONS i Revision Revised Serial Number Comments Date P ages Effectivity 07/01/02 All D3694 Issue of Ne w Ser vice Manual and replacement parts list 10/18/02 3 D3858 Re vised rated amps listing 10/18/02 13, 17, 24 D3858 Re vised cycle times 10/18/02 42,43 D3858 Re vised rinse ar m bearings and assemblies numbers. Bearing 11216[...]

CONTENTS LIMITED W ARRANTY ............................................................................................................... .v INTR ODUCTION .......................................................................................................................... 1 Model Number ........................................................[...]

LIST OF FIGURES (cont.) Figure 11 – Rinse Aid and Sanitizer Injection P oints .............................................................. 15 Figure 12 – Fuses ...................................................................................................................... 28 Figure 13 – Motor Overload .................................[...]

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LIMITED W ARRANTY Champion Industries/Mo yer Diebel Limited , P .O . Box 4183, Winston-Salem, North Carolina 27115, and P . O . Box 301, 2674 North Ser vice Road , Jordan Station, Ontario, Canada L0R 1S0 w ar rants machines, and par ts, as set out belo w . W arranty of Machines: Champion Industries/Mo yer Diebel Limited warrants all new machines of[...]

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INTRODUCTION INTR ODUCTION W elcome to Mo yer Diebel... and thank y ou for allo wing us to take care of y our dishw ashing needs. This manual co vers the door-type dishw asher , Models MH-60, MH-6N, MH-6L. Y our machine w as completely assemb led , inspected , and thoroughl y tested at our factor y before it w as shipped to your installation site. [...]

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 booste r . The MH-6N model is a high temperature (180°F/82°C rinse) sanitizing model without booster . The MH-6L is a lo w temperature (Min. 120°F/49°C-140°F/60°C Optimum) sanitizing model for use with a sodium h ypochlo[...]

GENERAL Electrical P ower Requirements: Fig Electric Heat/Electric Booster Model V oltage Booster Rise Rated Minimum Suppl y Ckt. Maximum Ov ercurr ent (MH-60 Only) Amps Conductor Ampacity Protecti ve De vice MH-6N/MH-6L 115/60/1 — 46 Amps 60 Amps 86 Amps MH-6N/MH-6L 208/60/1 — 35 Amps 40 Amps 40 Amps MH-6N/MH-6L 220/60/1 — 35 Amps 40 Amps 40[...]

INST ALLA TION INST ALLA TION Unpac k the dishwasher CA UTION: Car e should be taken w hen lifting the machine to pr event dama ge. NO TE: The installation of your machine must meet all applicab le health and safety codes. 1. Immediatel y after unpacking the machine, inspect for an y shipping damage. If damage is found , sa ve the packing material [...]

INST ALLA TION INST ALLA TION (Cont.) Electrical Connections W ARNING: Electrical and gr ounding connections must comply with all applica ble Electrical Codes. W ARNING: When wor king on the dishwasher , discon- nect the electric service and place a tag at the disconnect switch to indicate w or k is being done on that cir cuit. 1. A qualif ied elec[...]

Electrical Connections (Cont.) Refer to Fig. 3 3. Remo ve (2) lo w er screws from the front panel of the machine to expose the electri- cal controls. Remo ve (2) scre ws on the control panel support. Swing the hinged control panel forw ard. Refer to Fig. 4 4. Three phase or single phase incoming po wer wiring connections are made at the bottom of t[...]

INST ALLA TION 7 Figur e 5 Hot W ater Connection (MH-60 Only) 3/4" NPT Figur e 8 Hot W ater Connection (MH-6N, MH-6L Only) 3/4" NPT INST ALLA TION (Cont.) Plumbing Connections NO TE: Plumbing connections must comply with all applicab le sanitary and plumbing codes. W ater Connections 1. All MH series dishw ashers require a single, hot w a[...]

INST ALLA TION 8 W ater Connections (Cont.) 2. A manual shut-of f v alve for steam and w ater (supplied b y others) should be installed in the suppl y line to allo w for servicing of the machine. The shut-off v alve should be the same size or lar ger than the suppl y line. 3. Install a 3/4" pressure reducing v alve (PR V) in the w ater supply [...]

COMMON RINSE DETERGENT INST ALLA TION 9 INST ALLA TION (Cont.) Chemical Connections NO TE: Consult a qualif ied chemical supplier for your c hemical needs. Refer to Fig. 8 1. A chemical signal terminal block is supplied for chemical dispensing equipment. 2. The terminal block is located belo w the control panel fuse block. Refer to Fig. 9 3. The de[...]

INST ALLA TION 10 Chemical Connections (Cont.) Refer to Fig. 10 5. A 1/2" deter gent probe injection point is pro vided at the rear and left side of the dishw asher . 6. Deter gent ma y be added manually if your dishw asher is not equipped with dispensing equipment. Consult your chemical supplier for recommended amounts. Refer to Fig. 11 7. MH[...]

INITIAL ST AR T -UP 11 Install the Scrap Screens and Drain-Overflow Assemb ly Install scrap screens. Make sure rubber stopper is secure on the drain-o verflo w assembl y . Make sure the drain-o verflo w seats securel y in the tank bottom. MAKE SURE DOORS ARE FULL Y CLOSED. The controls are located on the front of the dishw asher . A- On/Of f po w e[...]

INITIAL ST AR T -UP 12 Chec k W ash W ater T emperature The w ash tank heater and the (booster tank heater , MH-60 only) will begin to heat the w ater in the dishwasher . W ait approximatel y 10 minutes for the wash tank w ater 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 AR T -UP 13 Full y close the dishwasher doors. The dishw asher will begin the automatic cycle. Opening the doors an ytime during the cycle will stop the dishw asher . Closing the doors will resume the automatic cycle w here it left of f. The cycle times are listed belo w: W ash = 48 seconds Dw ell = 4 second Final rinse = 8 seconds Note [...]

INITIAL ST AR T -UP 14 Chec k Final Rinse W ater T emperature Check the f inal rinse w ater temperature during the f inal rinse cycle. The f inal rinse w ater temperature gauge is located in the f inal rinse piping at the top of the dishw asher . The f inal rinse w ater temperature should be a minimum of 180°F/82°C for (MH-60, MH-6N). The optimum[...]

INITIAL ST AR T -UP 15 The Extended W ash Operation The extended w ash switch holds the dishw asher in a continuous wash mode for cleaning hea vil y soiled ware. Open and then full y close the dishwasher doors. The dishwasher will be gin a wash cycle automaticall y . Push the Extended w ash switch UP to the extended w ash position. The dishw asher [...]

INITIAL ST AR T -UP 16 Drain the dishwasher (Cont.) Be sure the drain-o verflo w seal is secure on the drain-o verflo w assembl y . Remo ve the scrap screens and check the drain located in the bottom of the dishw asher w ash tank. Make sure that the building drain handles the w ater flo w exiting the dishw asher . Clean the interior of the w ash ta[...]

OPERA TION SUMMAR Y 1. Push the On/Of f po wer s witch “UP” to the ON position. Dishw asher f ills automaticall y . 2. W ait approximatel y 10 minutes for the w ash tank heater to heat the water . Then, check the reading on the w ash water temperature gauge. 3. Prescrap and load the w are into the dishrack. 4. Open the doors. Insert a dishrack [...]

CLEANING 18 CLEANING Cleaning your machine is the best maintenance that y ou can pro vide. Components that are not regularl y flushed and cleaned do not perfor m well. The follo wing schedules are the minimum requirements necessar y for the proper perfor mance of your machine. Interv als should be shor tened whene ver your machine is faced with abn[...]

CLEANING 19 Deliming Y our dishwasher should be delimed re gularly depending on the mineral content of y our w ater . Inspect the machine interior for mineral deposits and use a deliming solution for the best cleaning results. NO TE: Consult your chemical supplier f or an appr opriate deliming solution. W ARNING: Deliming solutions or other acids m[...]

TROUBLESHOO TING 20 TR OUBLESHOO TING P erfor m the sev en checks listed belo w in the e vent that y our dishwasher does not operate as expected. 1. All s witches are ON 2. Drain-o verflo w assemby is in place and seated 3. W ash and rinse nozzles are clean 4. W ash and rinse pipe assemblies are installed cor rectl y 5. Scrap screens are properl y [...]

TROUBLESHOO TING 21 CONDITION CA USE SOLUTION Insuff icient pumped Clogged pump intak e screen .................. Clean spra y pressure Clo gged spray pipe ................................ Clean Scrap screen full .................................... Must be kept clean and in place Lo w water le vel in tank.......................... Check drain-o ve[...]

BASIC SER VICE 22 B ASIC SER VICE This Basic Service section does not co ver all possib le repair procedures. If you require additional service suppor t, you ma y call your local service company or: Mo yer Diebel National Service USA: 1-800-858-4477 Canada: 1-800-263-5798 Please ha ve the Model and Serial Number of the machine r eady w hen you call[...]

BASIC SER VICE 23 Electrical Service (Cont.) Fuses — Refer to Fig. 12. There are tw o fuse blocks. A 3 pole block (A) is located in the main control cabinet. The (A) fuses protect the w ash tank heater circuit. Booster heater circuits (MH-60 onl y) are not fused. A 2 pole fuse block is located on the machine base to protect the control circuit. T[...]

BASIC SER VICE 24 Solid State MH60/MH6N/MH6L Operating Instructions A utomatic Operation 1. Check that drain is closed and screens are clean and in place. 2. T ur n on main po wer to the machine. 3. Flip machine control panel po w er switch to ON . 4. Close doors. • Machine pauses 4 seconds to check w ater lev el. 5. Machine f ills for 110 second[...]

BASIC SER VICE 25 T r oubleshooting Timer Cir cuit Board (cont.) P ower T erminals • V erify that the board is recei ving po w er of 120 V A C at the terminals: – T2, marked “H” (A C Hot). – T1, marked “N” (A C Neutral). If either of these terminals is not receiving 120 V A C, then there is a problem else where with the unit not recei[...]

1.4 T esting Board Outputs After you ha ve v erif ied that the circuit board is receiving po w er (as explained abo ve), then test the board outputs. There are 4 board outputs: • W ash Cycle. • Rinse Cycle. • Heaters. • In-Cycle Lamp. P erfor m the follo wing steps to test a board output: 1. Set the v oltmeter to measure A C volts . 2. Plac[...]

BASIC SER VICE 27 Models MH-60, MH-6N , and MH-6L use a float switch and circuit board to control tank f ill and tank heat. F or Model MH-60 only , the built-in booster heat circuit is also controlled b y the float switch. Operation: 1. When dishw asher main po wer s witch is tur ned on (wash tank empty), the drain v alve closes allo wing cycle tim[...]

BASIC SER VICE 28 Electrical Service (Cont.) Heater Element Wiring – Booster T ank and W ash T ank Heater Elements Refer to the illustrations and follo w the steps below to properl y install ter minal jumpers and to mak e line po w er connections to a replacement element. Step 1. Hold the element assemb ly with the calrod coils facing to ward y o[...]

BASIC SER VICE 29 Electrical Service (Cont.) Motor Connections — 1. Models MH-60, MH-6N, and MH-6L are a vailab le in either single phase or 3 phase voltages. 2. Motor rotation w as set at the factor y . F or three phase machines, re versing the motor direction is done in the control cabinet b y rev ersing the wires L1 and L2 on the disconnect si[...]

BASIC SER VICE 30 MECHANICAL SER VICE Pump Seal Replacement 1. Disconnect the po wer to the machine at the main break er panel or fuse box. 2. Drain the machine. 3. Remo ve the front and side panels. 4. Remo ve drain plug on the pump volute and drain the pump. 5. Remo ve the pump hoses. 6. Disconnect the wires to the motor at the motor junction box[...]

REPLA CEMENT P AR TS 31 REPLA CEMENT PA R T S[...]

Figur e 20 - MH-60/6N/6L Doors and P anels REPLA CEMENT P AR TS 32 9 14 12 12 13 13 12 8 1 1 2 3 7 11 8 10 4 5 6 11 11 9 10[...]

REPLA CEMENT P AR TS 33 MH-60/6N/6L DOORS AND P ANELS Fig. 20 Part Item No. No. P art Description Qty . 1 325405 Side Door ...................................................................................... 2 2 327131 Front Door ...................................................................................... 1 3 321929 RH Panel, No Cut Out[...]

Figur e 21 - MH-60/6N/6L Door Guides, Stops, and Lift Brack et REPLA CEMENT P AR TS 6 4 3 2 1 8 7 9 5 6 2 FRONT OF HOOD 10 11 12 13 14 12[...]

REPLA CEMENT P AR TS MH-60/6N/6L DOOR GUIDES, STOPS, AND LIFT BRA CKET Fig. 21 Part Item No. No. P art Description Qty . 1 108053 Plug, Corner post ................................................................................ 2 2 107966 Nut, Grip 10-32 w/Insert .................................................................... 10 3 327104 Brac[...]

Figur e 22 - MH-60/6N/6L Door Handle, Spring Assembl y , and Safety Switch REPLA CEMENT P AR TS 36 1 2 2 3 28 30 2 9 30 3 4 5 6 6 7 7 9 9 8 8 5 1 10 10 14 15 16 17 18 18 1 9 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[...]

REPLA CEMENT P AR TS 37 MH-60/6N/6L DOOR HANDLE, SPRING ASSEMBL Y , AND SAFETY SWITCH Fig. 22 Part Item No. No. P art Description Qty . 1 112723 Bolt 5/16-18 x 15 Hex Head .............................................................. 2 2 108066 Spring, Extension ................................................................................ 2 3 1[...]

Figur e 23A – MH-60/6N/6L Straight T rack Assemb ly Figur e 23B – MH-60/6N/6L Corner T rack Assemb ly REPLA CEMENT P AR TS 38 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 1 2 2 2 4 3 4 3 2 4 3 4 3 1[...]

REPLA CEMENT P AR TS 39 MH-60/6N/6L CORNER TRA CK ASSEMBL Y Fig. 23B P ar t Item No. No. P art Description Qty . 1 0309469 Guide, Right Hand .............................................................................. 1 2 0309472 Track, Rear .......................................................................................... 1 3 0309468 Gui[...]

Figur e 24 - MH-60/6N/6L W ash/Rinse Spra y Piping REPLA CEMENT P AR TS 40 FRONT LEFT SIDE 2 1 2 3 7 6 8 7 13 9 8 5 4 5 3 12 10 11 10[...]

REPLA CEMENT P AR TS 41 MH-60/6/6L W ASH/RINSE SPRA Y PIPING Fig. 24 Part Item No. No. P art Description Qty . 1 324526 Rinse Manifold W eldment .................................................................. 1 2 113027 Connector , Rinse Arm ........................................................................ 2 3 113028 T op Rinse Arm Connec[...]

Figur e 25 - MH-60/6N/6L W ash/Rinse Spra y Arms REPLA CEMENT P AR TS 42 2 2 4 1 3 3 6 5 7 8 4 3 3 AFTER S/N D3858 PRIOR TO S/N D3857[...]

REPLA CEMENT P AR TS 43 MH-60/6N/6L W ASH/RINSE SPRA Y ARMS Fig. 25 Part Item No. No. P art Description Qty . 1 0507443 Spindle, Rinse Arm ............................................................................ 2 2 0508376 Nozzle, Rinse Arm (MH-60, MH-6N Onl y) (Prior to S/N D3857) .. 12 3 113514 Bearing, Rinse Ar m (Replaces 112164) .........[...]

Figur e 26 - MH-60/6N/6L Drain Assembl y and Scrap Scr eens REPLA CEMENT P AR TS 44 1 2 3 4 5 6 7 8 9 10 11 12 14 13 15 16 16[...]

REPLA CEMENT P AR TS 45 MH-60/6N/6L DRAIN ASSEMBL Y AND SCRAP SCREENS Fig. 26 Part Item No. No. P art Description Qty . 1 112393 Knob, Drain Lift ................................................................................ 1 2 112394 Rod Assy ., Drain Lift .......................................................................... 1 3 112392 Gui[...]

Figur e 27 - MH-60/6N/6L W ash T ank Heat and Thermostats REPLA CEMENT P AR TS 46 Thermostat bracket detail 1 2 3 4 5 5 10 14 7 8 7 8 11 9 13 12 15 16 16 3 4 17 20 6 18 18 19[...]

REPLA CEMENT P AR TS 47 MH-60/6N/6L W ASH T ANK HEA T AND THERMOST A TS Fig. 27 Part Item No. No. P art Description Qty . 1 113622 Thermometer 4 Ft. Gas Filled (Replaces 108391) ............................ 1 2 109069 Thermostat W/Cap 110-220°F ............................................................ 1 3 201041 W asher ........................[...]

Figur e 28- MH-60 Only Electric Booster and Thermostats REPLA CEMENT P AR TS 48 TO UPPER PIPING FROM FILL VALVE 5 3 4 6 7 8 9 10 11 12 1 1 2 2[...]

REPLA CEMENT P AR TS 49 MH-60 ONL Y ELECTRIC BOOSTER AND THERMOST A TS Fig. 28 Part Item No. No. P art Description Qty . 1 100740 Bolt 5/16-18 x 1 Hex Head ................................................................ 2 2 102376 W asher, Flat 5/16 x 3/4 x 1/16 ............................................................ 2 3 108954 Nut, Grip 6-32[...]

Figur e 29 - MH-60 Only Lo wer Fill Piping Assembl y REPLA CEMENT P AR TS 50 CUSTOMER WATER INLET TO UPPER PIPING 2 10 9 14 16 17 19 18 20 15 8 6 5 5 4 3 2 11 12 13 5 7 1 5 23[...]

REPLA CEMENT P AR TS 51 MH-60 ONL Y LO WER FILL PIPING ASSEMBL Y Fig. 29 Part Item No. No. P art Description Qty . 1 107550 V alv e, Pressure Reducing 3/4" ............................................................ 1 2 102444 Street Ell 3/4" NPT Brass .................................................................. 2 3 102651 Nipple 3[...]

Figur e 30 - MH-60/6N Only Upper Fill Piping Assembly REPLA CEMENT P AR TS 52 10 11 WATER IN FROM LOWER PIPING 18 12 8 1 15 8 2 9 14 5 6 4 13 7 3 16 17 3[...]

REPLA CEMENT P AR TS 53 MH-60/6N ONL Y UPPER FILL PIPING ASSEMBL Y Fig. 30 Part Item No. No. P art Description Qty . 1 100156 Locknut 3/4" NPT Brass...................................................................... 1 2 100571 Union, 3/4" NPT Brass ........................................................................ 1 3 102392 Bush[...]

Figur e 31 - MH-6N/6L Only Lo wer Fill Piping Assembl y REPLA CEMENT P AR TS 54 6 5 4 2 1 3 CUSTOMER WATER IN 5 TO UPPER PIPING 7 10 13 11 8 9 12 14 16 17 18 15[...]

REPLA CEMENT P AR TS 55 MH-6N/6L ONL Y LO WER FILL PIPING ASSEMBL Y Fig. 31 Part Item No. No. P art Description Qty . 1 102444 Elbo w , Street 3/4" NPT Brass ............................................................ 1 2 0309340 Plumbing, Suppor t Bracket ................................................................ 1 3 110768 Line Strain[...]

Figur e 32 - MH-6L Only Upper Fill Piping Assembly REPLA CEMENT P AR TS 56 10 11 WATER IN FROM LOWER PIPING 19 12 8 1 15 8 2 9 14 5 6 4 13 7 3 16 17 18 3[...]

REPLA CEMENT P AR TS 57 MH-6L ONL Y UPPER FILL PIPING ASSEMBL Y Fig. 32 Part Item No. No P art Description Qty . 1 100548 Locknut 3/4" NPT SST ...................................................................... 1 2 100571 Union, 3/4" NPT Brass ...................................................................... 1 3 102392 Bushing, Re[...]

Figur e 33 - MH-60/6N/6L Pump Assembl y REPLA CEMENT P AR TS 58 1 2 3 7 4 6 5 8 9 10 11 12 13 15 16 17 18 19 20 21 22 23 24 25 28 27 29 30 31 32 26[...]

REPLA CEMENT P AR TS 59 MH60/6N/6L PUMP ASSEMBL Y Fig. 33 Part Item No. No. P art Description Qty . 1 324580 Strainer ................................................................................................ 1 2 107966 Nut, Grip 10-32 w/Nylon Insert ........................................................ 1 3 104203 Clamp, Hose .............[...]

Figur e 34 - MH-60/6N/6L Contr ol P anel and Gauges REPLA CEMENT P AR TS 60 W ASH EXTENDED WA S H CYCLE POWER OFF RINSE PRESSURE 1 4 5 7 6 8 9 2 3[...]

REPLA CEMENT P AR TS 61 MH-60/6N/6L CONTR OL P ANEL AND GA UGES Fig. 34 Part Item No. No. P art Description Qty . 1 0501361 Switch, On-Off .................................................................................... 1 2 112390 Lite, Red (P ow er) ................................................................................ 1 3 112391 Lit[...]

Figur e 35 - MH-60/6N/6L Contr ol Cabinet Main P ower Fuse Bloc k mounted on machine base (115V/1 phase only) Main P ower T ransf or mer mounted on machine base (208V -575V/1 or 3 phase) REPLA CEMENT P AR TS 62 12 13 14 15 16 17 JB2 U1 L2 T10 T9 T8 T7 T1 T2 EXT . WASH FLOAT SW. FILL RINSE WASH HEATERS OUTPUT LAMP OUTPUT T5 T6 T4 JB1 T3 WASH OUTPUT [...]

REPLA CEMENT P AR TS 63 MH-60/6N/6L CONTR OL CABINET Fig. 35 Part Item No. No. P art Description Qty . 1 900911 Kit* DM Board & Instructions (Prior to S/N D3857)........................ 1 113597 T imer Board (MH-60, MH-6N onl y) (After S/N D3858) .................. 1 2 106925 Block, Fuse (30A, 3 P ole) ..........................................[...]

Figur e 36 - Dishracks and PR V REPLA CEMENT P AR TS 64 1 2 3[...]

REPLA CEMENT P AR TS 65 DISHRA CKS AND PR V Fig. 36 P art Part Description Item No. No. Qty . 1 101273 Rack (Flat Bottom) ............................................................................ 1 2 101285 Rack (P eg) .......................................................................................... 1 3 112387 Line Strainer/PR V Combo .[...]

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67 ELECTRICAL SCHEMA TICS[...]

69 HEATERS OUTPUT LEDs WASH EXTENDED WASH T10 RINSE FILL T9 FLOAT SWITCH LAMP OUTPUT JB2 T6 T5 FUSE 1A T7 T8 DOOR SWITCH START SWITCH T2 T F WASH OUTPUT RINSE OUTPUT JB1 JB3 POWER LED T4 T3 5 X 20 MM FAST ACTING CLOSED JUMPER SHOWN FROM SIDE PRINTED CIRCUIT BOARD BLACK JUMPER SHOWN CLOSED. LIFT & REMOVE TO OPEN. WHITE BASE MH6N, MH6O UP TO D385[...]