Moyer Diebel MD-44, MD-66 operation manual Drain Connections, Ventilation Connections

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Installation

Drain Connections

1.The 1-1/2" drain line was removed and packed inside the dishwasher prior to shipping. Install the drain line once the dishwasher has been placed in its final location.

2.Connect the 1-1/2" NPT drain line to above a drain sink or to a 1-1/2" or larger drain line connection.

3.Observe all local plumbing and sanitary codes when installing.

Ventilation Connections

1.DO NOT VENT THE DISHWASHER INTO WALLS, CEILINGS OR ENCLOSED PLACES.

2.Vent stacks with adjustable dampers are supplied with the dishwasher to connect house vent.

3.Connect stainless steel water-tight duct inside the 4" x 16"/ 106mm x 407mm vent stacks supplied with the dishwasher.

4.A minimum of 6 air changes per hour of kitchen is recommended

Ventilation Guidelines:

Dishwasher without a prewash tank option:

Load end- 200 CFM @ 1/4" SP/ 95 Liters/second

Unload end- 400 CFM @ 1/4" SP/ 189 Liters/second

Dishwasher with a Prewash tank option:

Load end- 150 CFM @ 1/4" SP/ 95 Liters/second

Unload end- 400 CFM @ 1/4" SP/ 189 Liters/second

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Contents Manual P/N 114725 rev. a National Service Department Business Reply Mail Important Important Revision History Limited Warranty MD-44 and MD-66 Rack Conveyor Dishwashers  Model MD-44 Model DescriptionsReceiving Parts Needed for Conversion Supplied by Others MD-44 Direction Field ConversionOn next MD-44 Direction Field Conversion MD-44 Direction Field Conversion 10A 46-1/2 Changing Wire Connections in the Lower Junction Box MD44 Junction BOX Wiring Diagram Hot Water Connections UtilitiesVentilation Connections Drain ConnectionsMachine Electrical Connection Plate Electrical ConnectionsGRD Vent Fan Signal Connection Chemical Signal ConnectionsRunning Signal Table Limit Switch Connections Curtain Locations Pump Intake Screen and Dual Float Switch Door Safety SwitchesScrap Screens Installing the Lower Spray arm Assembly Upper Wash Arm Assembly Installing the Upper Spray Arm AssemblyUpper Wash Arm Guide PinInstallation Installing the Pawl Bar Installing the Curtains Check list Control Panel Operation Power SwitchDo not Overload Racks OperationRing CleaningAt the End of the Day De-limingWeekly MaintenanceCondition Cause Solution Service Replacement Parts Control Panel PUSHBUTTON, RED Square HOUSING, SwitchCOVER, Control Cabinet Decal 36 Control Cabinet 3-HOLE, PW-W-RCabinet Control Cabinet Extended Vent Cowls Splash SHEILD, Vent 8 Extended Wash Tank Door, Panels and Curtains 14 329985 BRACKET, Water Diverter ROD, CurtainGUIDE, U-CHANNEL, Door PANEL, END, Full MT-RACKWash Tank Heat, Float Switch, and Scrap Screens 16 107440 THERMOMETER, 8 FT. Flanged WASHER, Flat SSTClip WASHER, SpacerWash Tank Junction Box Terminal Block TERMINAL, SINGLE, ST 2.5 BU Blue TERMINAL, SINGLE, ST 2/5 WH WhiteTERMINAL, Double Sttb TERMINAL, Single ST 2.5 GrayMD-66 Prewash Tank, Door and Curtains 24 329985 BRACKET, Water Diverter 11 110854 Float SWITCH, Rack MachineFill Piping 900837 KIT, Repair Vacuum Breaker 3/4 NIPPLE, 3/4 NPT X Close Brass12 207082 TUBE, Booster OUTLET, 45 L-R Direction 13 102388 BUSHING, Reducing 1/2 NPT X 1/4 NPT BrassFinal Rinse Piping PLUG, E Final Rinse Manifold GASKET, Rinse MANIFOLD, 3/4 PipingNOZZLE, VEE-JET #8003 Wash ARM OringMD-66 Prewash Spray Arms Standpipe WELDMENT, 1-1/4 OD MD66 HEX Acorn Plain NUT, 1/4-20 SSTRing Manifold Taper ASSY. Upper WashMD-44, MD-66 Wash Spray Arms 13 333096 Standpipe Weldment 44 MT-RACK Manifold Taper ASSEMBLY, UpperGASKET, HEATER/STANDPIPE Threaded PLUG, Wash ARM118 PLATE, Track Adjustment MD-RACK MAGNET, Reed SwitchPIN, Idle Pump Switch SWITCH, Reed AlephMD-66 Track Assembly 12 333082 Track WELDMENT, Front 44 MT-RACK MAGNET, Reed Switch 10 327833 PIN, Idle Pump SwitchMD-44 Pawl Bar Assembly HEX Acorn Plain NUT, 10-32 SST PAWL, CradleCROSSHEAD, Pawl BAR 17 113714 Ring RETAINING, 3/8 OD ShaftMD-66 Pawl Bar Assembly 22 333643 CHANNEL, Drive Support PW 66 MT-RACK 167 PLATE, Drive Motor Mounting Drive Motor SwitchBRACKET, Motor Switch Mounting SHEAVE, Motor AK51Conveyor Drive Assembly CRANK, Rack ARM HOUSING, BEARING/SEALROLLER, Crosshead Roller STUD, CrossheadPump/Motor Assembly Pump Seal Assembly PUMP/MOTOR Assembly Includes ItemsIMPELLER, 3.78 OD, Composite MTL Wash CLAMP, Hose M52 SST Gear Type Rewash Wash Qty Electric Booster Assembly 40F and 70F Rise To Final Rinse Electric Booster Assembly 40F and 70F Rise 1417 PLUG, 3/4 NPT SQ. HD., Brass TEE, 1-1/2 NPT GalvanizedNIPPLE, 1-1/2 NPT X CLOSE, Galvanized CAP, 3/4 NPT SSTMD-66 Drain Asssembly Direction Shown Nipple TOE, 1-1/2 NPT X 6 LG. Galv 12 104165 CLAMP, Hose M40 SST GEAR-TYPE21 111034 Drain BODY, Machined 25 114817 Sleeve BEARING, 1/2 DIA. ROD NylonDish racks RACK, Combination RACK, PEGThis Intentionally Left Blank Rack Control Module Operation Electrical Schematics Module Rack Control Module RCM Operation Rack Control Module RCM Operation Output Section Green Indicator LightsRCM Status/Jumpers Normal Operation Sequence Rack Control Module RCM Indicator LightsDoors closed Rack switch Door Opened while Dishwasher is In-cycle RUN Light on RUN Light OFF JAM Switch OFFRUN Light ON. JAM Switch on RUN Light OFFLower Floats UP ALL Floats DownUpper Floats UP Lights OFF OFFPage Page Page This Intentionally Left Blank

MD-44, MD-66 specifications

Moyer Diebel has established a reputation as a leader in the commercial dishwashing industry, known for producing technologically advanced and reliable machines. Among their popular models are the MD-66 and MD-44, both designed to meet the needs of high-volume establishments. These machines exemplify Moyer Diebel's commitment to quality and efficiency.

The MD-66 is an energy-efficient dish machine suitable for large restaurants, hotels, and institutional kitchens. With a capacity to wash up to 66 racks per hour, it significantly speeds up the dishwashing process, making it ideal for busy environments. Its unique design features a dual rinse system that ensures consistent and thorough cleaning, while its adjustable wash cycles allow operators to customize the washing intensity based on the type of load – whether heavily soiled pots or delicate glassware.

Equipped with advanced technology, the MD-66 incorporates a microprocessor control system, providing users with real-time feedback on machine performance and diagnostics. This feature helps facilitate preventive maintenance, reducing downtime, and ensuring operational efficiency. The built-in energy efficiency measures contribute to lower utility costs, making this machine not only effective but also environmentally friendly.

Similarly, the MD-44 is designed for smaller establishments that still demand high efficiency. With a capacity of 44 racks per hour, it strikes a balance between compact design and powerful performance. This machine is particularly appealing for cafes, small restaurants, and catering operations. The MD-44 shares many features with the MD-66, including adjustable wash cycles and a robust rinse system, ensuring that even smaller operations receive the same level of cleanliness and hygiene.

Both the MD-66 and MD-44 utilize advanced spray technology, providing optimal water distribution to maximize cleaning effectiveness while minimizing water usage. The user-friendly interfaces on both models simplify operation, ensuring that staff can quickly learn to use the machines without extensive training.

In summary, Moyer Diebel’s MD-66 and MD-44 dishwashing machines combine high capacity, innovative technology, and efficiency to meet the varying needs of different sizes of commercial kitchens. Their robust designs and advanced features make them reliable investments for any foodservice establishment seeking to streamline their dishwashing processes while maintaining the highest standards of cleanliness and performance. These models reflect Moyer Diebel's focus on quality engineering, customer satisfaction, and environmental responsibility.
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