Instruction/ maintenance manual of the product MH-6NM5 Moyer Diebel
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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.
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.
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.
CONTENTS LIMITED W ARRANTY ............................................................................................................... .v INTR ODUCTION ...............................................................................................
LIST OF FIGURES (cont.) Figure 11 – Rinse Aid and Sanitizer Injection P oints .............................................................. 15 Figure 12 – Fuses .....................................................................................
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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 .
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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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 .
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).
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 .
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 .
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.
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.
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.
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.
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.
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: M.
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.
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.
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).
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.
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.
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.
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.
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.
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 ...................
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 .
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.
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 .
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 .
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 .......
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 ......
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) .
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 .
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 .....
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 .
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 .
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 .
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 .
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 .
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 .
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) .
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 .
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) .
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) .............................
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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.
An important point after buying a device Moyer Diebel MH-6NM5 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Moyer Diebel MH-6NM5 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Moyer Diebel MH-6NM5 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Moyer Diebel MH-6NM5 you will learn all the available features of the product, as well as information on its operation. The information that you get Moyer Diebel MH-6NM5 will certainly help you make a decision on the purchase.
If you already are a holder of Moyer Diebel MH-6NM5, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Moyer Diebel MH-6NM5.
However, one of the most important roles played by the user manual is to help in solving problems with Moyer Diebel MH-6NM5. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Moyer Diebel MH-6NM5 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
