Installation Manual with Service Replacement Parts Door-type Dishwasher Models: MD-1000HT Pumped rinse high temperature sanitizing w/built-in stainless steel electric booster MD-1000LT Pumped rinse low temperature sanitizing w/3 built-in chemical dispensing pumps MD-1000HT Dishwasher serial no. MD-1000LT Issue Date: 3.14.06 Manual P/N 114156 rev.— www.moyerdiebel.com For machines beginning with S/N D2466 and above File: DTMVC0214.6 P.O.
For future reference, record your dishwasher information in the box below. Model Number__________________________ Serial Number_______________________ Voltage________________Hertz_____________ Phase__________________ Moyer Diebel Service Agent __________________________________ Tel:______________________ Moyer Diebel Parts Distributor _________________________________ Tel:______________________ For all models: The data plate mounts to the right-hand, side of the top-mounted control cabinet.
Revisions to this manual _____________________ Revisions to this manual This is where we record changes to the manual. A revision might be a part number change, new instructions, or information that was not available at the time of printing. We reserve the right to make changes to this manual without notice and without incurring any liability by making the changes. Dishwasher owners may request a revised manual, at no charge, by calling 1 (800) 858-4477 in the USA or 1 (800) 263-5798) in Canada.
Dear Owner: Thank-you for choosing our dishwasher. We appreciate your business. This manual covers two models: MD-1000HT Pumped rinse high temperature door -type dishwasher with standard built-in booster in 40° F/22° C rise or an optional 70° F/39° C rise booster. MD-1000LT Pumped rinse low temperature chemical sanitizing door-type dishwasher with built-in chemical dispensing pumps for detergent, rinse-aid, and sanitizer.
Table of Contents _____________ Table of Contents Revisions to this manual _______________________________________________ iii Limited Warranty ___________________________________________________ vi Installation Guide MD-1000HT: High temperature Door-type Dishwasher _________ pg.
Limited Warranty Limited Warranty Moyer Diebel, 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.
Installation Guide _____________ Installation Guide ; Unpack and Place MD-1000HT 1. Check the corrugated box that protected the dishwasher during shipment for punched holes or impact marks. 2. Inspect the shipping pallet for splintered or broken boards. 3. Inspect the exterior of the dishwasher while still mounted on the pallet for signs of damage. 4. Contact the freight company immediately if damage is found and save all packing for inspection to verify your damage claim. 5.
MD-1000HT • Unpack and Place Installation Guide _____________ ; Unpack and Place MD-1000HT 1. The installation of your dishwasher must be performed by qualified service personnel. 2. Problems due to improper installation are not covered by the Warranty. 3. Compare the utilities at the installation site with the specifications listed on each model's specification sheets ( See Appendix A at the end of this manual) 4.
MD-1000HT • Unpack and Place _____________ Installation Guide ; Unpack and Place MD-1000HT 1. All dishwashers ship in the straight-through configuation. 2. Relocate the tracks and remove the wall-side door link components to convert the dishwasher for corner operation.
MD-1000HT • Unpack and Place Installation Guide _____________ ; Unpack and Place MD-1000HT 1. Compare the dishwasher and site utility connections. 2. Level the dishwasher by adjusting the bullet feet. 3. Raise the doors and check the door clearance to the ceiling. 4. Move the dishwasher to its permanent location. Note: Installers must follow applicable sanitation, safety, plumbing, and electrical codes and regulations; and work in accordance with best practices for dishwasher installation.
MD-1000HT • Electrical Connection _________________ Installation Guide ; Electrical Connection MD-1000HT Warning: The dishwasher must be electrically grounded according to all local codes and regulations governing the installation of electrical service. Warning: Disconnect the main electric supply and place a tag at the fuse or disconnect switch indicating that work is being performed on that circuit. 1. Locate the control cabinet keys on the rear of the control cabinet. 2.
MD-1000HT • Water Connection Installation Guide _____________ ; Water Connection MD-1000HT 1. Locate the built-in stainless steel booster on the left-side of the dishwasher. Note: The existing hot water supply lines to the dishwasher must be 3/4" NPT or larger. To the best of your ability inspect, and verify that all supply piping meets the 3/4" NPT requirement.
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MD-1000HT • Drain Connection Installation Guide _____________ ; Drain Connection MD-1000HT Continued from page 7 1. Locate the dishwasher drain connection underneath the machine frame. 2. Install a drain line conforming to local plumbing and health regulations. Drain: 1-7/8" stainless steel, slip-fit hose connection Max flow: 15 US gal/min. 13.5 Imperial gal/min 57liters/min. ; Ventilation MD-1000HT 1.
MD-1000HT • Chemical Dispensers _______________ Installation Guide ; Chemical Dispensers MD-1000HT 1. The MD-1000HT high temperature dishwasher sanitizes with 180-195° F/82-91° C hot final rinse water. 2. Do not connect a sanitizer chemical dispenser to the MD-1000HT. 3. You may wish to contact a chemical supplier to supply the chemical dispensers and chemicals for liquid detergent and liquid rinse-aid. (Consult your local listings). 4.
MD-1000HT • Chemical Dispensers Installation Guide _____________ ; Chemical Dispensers MD-1000HT Continued from page 9 115VAC Power Connections for Chemical Dispensers FOR QUALIFIED INSTALLERS ONLY Warning: Chemical dispensers must be electrically grounded in compliance with applicable electric codes. Warning: Disconnect the main electric supply and place a tag at the fuse or disconnect switch indicating that work is being performed on that circuit.
MD-1000HT • Chemical Dispensers _________________ Installation Guide ; Chemical Dispensers MD-1000HT 4. The diagrams below are taken from the electrical s chematic and are shown to help you locate and focus on the steps necessary to connect the your dispensing pumps to the dishwasher. L1 1 L2 2 L2 GND 3 208VAC/3PH/60/3 Main terminal block and ground lug Detergent dispensing pump & cycle Timer cam No.6 with timer microswitch Rinse-aid dispensing pump & cycle timer cam No.
MD-1000HT • Chemical Dispensers Installation Guide _____________ ; Chemical Dispensers MD-1000HT Continued from page 11 5. The main terminal board is the termination point for the incoming power and earth ground which is also called the chassis ground. 6. Chemical dispensers (not supplied by Factory) should be grounded to chassis if possible. 7.
MD-1000HT • Chemical Dispensers ________________ Installation Guide ; Chemical Dispensers MD-1000HT Caution: The NEUTRAL RETURN (#2 white wires) and Chassis Ground are not the same point electrically. Improper wiring to these points may result in unusual voltage readings and damage to the dishwasher's electrical circuits.STOP WORKING ON THE DISHWASHER AT ONCE, if you do not know the difference between a neutral return and chassis ground.
MD-1000HT • Chemical Dispensers Installation Guide _____________ ; Chemical Dispensers MD-1000HT Priming the chemical dispensers (Factory dispensers only) 1. Factory dispensers are optional equipment; however, an automatic dispenser must be installed by someone in lieu of the factory. 2. The dispensers are mounted on the right-hand side of the lower wash tank. IN OUT IN From Chemical Containers OUT To wash tank injection points 3.
MD-1000HT • Initial Start-up _____________ Installation Guide ; Initial Start-up MD-1000HT Caution: DO NOT flip the dishwasher power switch "ON" until you read the instructions below. 1. The built-in stainless steel electric booster was shipped without water. 2. A manilla card located above the power switch explains how to turn the machine on for the first time. See step No. 10 on the next page for the first DISHWASHER POWER UP procedure. Let's begin the Initial Start-up: 1.
MD-1000HT • Initial Start-up Installation Guide _____________ ; Initial Start-up MD-1000HT Continued from page 15 5. Check that the following utilities are connected: to the dishwasher and ready for use: ; Electrical service ; Hot water supply ; ; Drain Ventilation (if required by local regulations). 6. Check the chemical connections and chemical containers to ensure that enough chemical supplies are available. 7. Turn on the water supply to the dishwasher. 8.
MD-1000HT • Initial Start-up _____________ Installation Guide ; Initial Start-up MD-1000HT POWER UP THE DISHWASHER: As stated on page 15, the dishwasher power switch must not be turned without reading the instructions below.: FILL CYCLE DRAIN POWER ON OFF 13. Turn on the main power switch at the service disconnect switch. 14. Flip the dishwasher power switch UP to turn on the dishwasher. 15.
MD-1000HT • Initial Start-up Installation Guide _____________ ; Initial Start-up MD-1000HT 18. Operate the dishwasher for 10 cycles. Monitor the wash and final rinse gauges located on the lower front panel of the dishwasher to ensure the machine is maintaining the proper temperatures. In the USA, the NSF standards are: 150° F/66° C minimum wash temperature 180° F/82° C minimum final rinse temperature Note: In Canada, sanitary standards are regulated by each province.
How to Operate your Dishwasher • MD-1000HT ________________________Installation Guide ; How to Operate your Dishwasher MD-1000HT 1. Make sure there is adequate supply of liquid detergent and rinse-aid. Check the chemical containers and refill if necessary. 2. Ensure internal circular tank screen, upper and lower spray arms and lower external scrap screen are clean and in place. 3. Close door. Turn POWER switch to the “ ON ” position.
MD-1000HT • What is the Rinse Sentry Feature? Installation Guide _____________ ; What is the Rinse Sentry Feature? MD-1000HT The MD-1000HT Rinse Sentry automatically monitors the final rinse water temperature in the built-in stainless steel electric booster heater. If the final rinse water in the booster falls below 180°F/82°C, the Rinse Sentry will extend the dishwasher's wash cyle time in order to give the booster heater additional time to provide the 180°F/82°C water temperature required.
How to Clean your Dishwasher • MD-1000HT _____________________ Installation Guide ; How to Clean the MD-1000HT 1. Leave the machine power switch in the ON position. Doors are fully closed. 2. Push and hold the “FILL/DRAIN” switch down in the “DRAIN” position for approximately 15-20 seconds. The water in the wash tank will drain completely. 3. Raise doors fully. Use caution, as metal surfaces may be hot. Allow interior to cool. 4. Rinse the interior of the dishwasher with fresh water.
MD-1000HT • How to Maintain your Dishwasher Installation Guide _____________ ; How to Maintain the MD-1000HT Thoroughly cleaning your dishwasher every day is very best maintenance you can do!! Daily Maintenance 1. Keep your dishwasher and the surrounding area spotlessly clean. 2. Immediately report loose, broken or missing parts to your supervisor. 3. Check drains for flow restrictions. 4. Check the dishwasher for leaks. 5. Operate the dishwasher as explained in this manual.
MD-1000HT • The Trounbleshooter The Troubleshooter In order to find the cause of a breakdown or abnormal operating condition in your dishwasher please ensure that: 1. All switches are ON 2. Drain overflow tube is in place and seated 3. Wash pipe and rinse nozzles are clean 4. Spray arms are in their proper positions 5. Round screen is properly positioned 6. Detergent, sanitizer and rinse additive dispensers are adequately filled 8. Doors are fully closed.
MD-1000HT • The Troubleshooter The Troubleshooter (continued) PROBLEM CAUSE SOLUTION Low final rinse temperature Low incoming water ..................... Check valve to be sure it is clean and ..................................................... operating. Defective thermometer ................ Check for proper setting or replace Machine leaking Leaking at chemical hose ........... Pump seal leaking ....................... Leaking at pump hose ................. Leaking at doors ...................
MD-1000LT • Installation Guide Model MD-1000LT Installation Guide 25
MD-1000LT • Unpack and Place Installation Guide ____________ ; Unpack and Place MD-1000LT 1. The installation of your dishwasher must be performed by qualified service personnel. 2. Problems due to improper installation are not covered by the Warranty. 3. Compare the utilities at the installation site with the specifications listed on each model's specification sheets ( See Appendix A at the end of this manual) 4.
MD-1000LT • Unpack and Place _____________ Installation Guide ; Unpack and Place MD-1000LT 1. All dishwashers ship in the straight-through configuation. 2. Relocate the tracks and remove the wall-side door link components to convert the dishwasher for corner operation.
MD-1000LT • Unpack and Place Installation Guide ____________ ; Unpack and Place MD-1000LT 1. Compare the dishwasher and site utility connections. 2. Level the dishwasher by adjusting the bullet feet. 3. Raise the doors and check the door clearance to the ceiling. 4. Move the dishwasher to its permanent location. Note: Installers must follow applicable sanitation, safety, plumbing, and electrical codes and regulations; and work in accordance with best practices for dishwasher installation.
MD-1000LT • Electrical Connection _________________ Installation Guide ; Electrical Connection MD-1000LT Warning: The dishwasher must be electrically grounded according to all local codes and regulations governing the installation of electrical service. Warning: Disconnect the main electric supply and place a tag at the fuse or disconnect switch indicating that work is being performed on that circuit. 1. Locate the control cabinet keys on the rear of the control cabinet. 2.
MD-1000LT • Water Connection Installation Guide ____________ ; Water Connection MD-1000LT Water supply: 3/4" NPT hot water supply (140°F/60°C minimum) (35 psi/241 KPa static pressure) 7-10 psi/48-69Kpa flow pressure Note: Plumbing installer must connect a 3/4" NPT hot water supply line to the dishwasher.
MD-1000LT • Drain Connection _____________ Installation Guide ; Drain Connection MD-1000LT 1. Locate the dishwasher drain connection underneath the machine frame. 2. Install a drain line conforming to local plumbing and health regulations. Drain: 1-7/8" stainless steel, slip-fit hose connection Max flow: 15 Us gal/min. (13.5 Imperial gal/min) 57liters/min. ; Ventilation MD-1000LT 1.
MD-1000LT • Chemical Dispensers Installation Guide ____________ ; Chemical Dispensers MD-1000LT Note: Manual dosing of detergent or rinse-aid is NOT RECOMMENDED for the MD-1000LT dishwasher. Poor washing results may result if manual dosing is employed.. Note: Cartridge detergent systems are NOT RECOMMENDED for the MD-1000LT dishwasher. Poor washing results may result if installed on this model. Note: The MD-1000LT chemical dispensers are standard equipment.
MD-1000LT • Initial Start-up _____________ Installation Guide ; 1. Initial Start-up MD-1000LT Check that the following utilities are connected: to the dishwasher and ready for use: ; Electrical service ; Hot water supply ; Drain ; Ventilation (if required by local regulations) 2. Check the chemical connections and chemical containers to ensure that enough chemical supplies are available. 3. Turn on the water supply to the dishwasher. 4.
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MD-1000LT • Initial Start-up _____________ Installation Guide ; Initial Start-up MD-1000LT POWER UP THE DISHWASHER: 1. Flip the dishwasher power switch UP to turn on. 2. Turn on the main power switch at the service disconnect switch. 3. Release the fill switch. 4. Open the dishwasher door fully and check the water level inside the tank. The proper water level is just below the overflow tube and 3" [76 mm] from the lower manifold measuring up the tank toward the rear of the dishwasher. 5.
How to Operate your Dishwasher • MD-1000LT Installation Guide ____________ ; How to Operate the MD-1000LT 1. Make sure there is adequate supply of liquid detergent and rinse-aid, and sanitizer. Check the chemical containers and refill if necessary. 2. Ensure the overflow tube/drain ball are clean and in place, and the circular pump screen, upper and lower spray arms and lower external scrap screen are clean and in place. 3. Close door. Turn POWER switch to the “ ON ” position.
How to Clean your Dishwasher • MD-1000LT ________________________________ Installation Guide ; How to Clean the MD-1000LT 1. Leave the machine power switch in the ON position. Doors are fully closed. 2. Push and hold the “FILL/DRAIN” switch down in the “DRAIN” position for approximately 15-20 seconds. The water in the wash tank will drain completely. 3. Raise doors fully. Use caution, as metal surfaces may be hot. Allow interior to cool. 4. Rinse the interior of the dishwasher with fresh water.
How to Clean your Dishwasher • MD-1000LT Installation Guide ____________ ; How to Clean the MD-1000LT Deliming Warning: Electrocution or chemical burns may occur if untrained persons attempt the deliming procedure. Only qualified service personnel should delime the dishwasher. 38 1. The DL-1000 is equipped with a delime switch on the left front side inside the top-mounted control cabinet. 2.
How to Maintain your Dishwasher __________________________ Installation Guide ; How to Maintain your Dishwasher MD-1000LT Thoroughly cleaning your dishwasher every day is very best maintenance you can do!! Daily Maintenance 1. Keep your dishwasher and the surrounding area spotlessly clean. 2. Immediately report loose, broken or missing parts to your supervisor. 3. Check drains for flow restrictions. 4. Check the dishwasher for leaks. 5. Operate the dishwasher as explained in this manual.
The Troubleshooter • MD-1000LT The Troubleshooter In order to find the cause of a breakdown or abnormal operating condition in your dishwasher please ensure that: 1. All power switches are ON 2. Drain overflow tube is in place and seated 3. Wash pipe and rinse nozzles are clean 4. Spray arms are in their proper positions 5. Round screen is properly positioned 6. Detergent, sanitizer and rinse aid dispensers are adequately filled 8. Doors are fully closed.
The Troubleshooter • MD-1000LT The Troubleshooter PROBLEM CAUSE (continued) SOLUTION Low final rinse temperature Low incoming water ................... Check valve to be sure it is clean and ..................................................... operating. Defective thermometer ............... Check for proper setting or replace Machine leaking Leaking at chemical hose .......... Pump seal leaking ...................... Leaking at pump hose ............... Leaking at doors .........................
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MD-1000HT and MD-1000LT • Service Replacement Parts ___________ Service Replacement Parts Models MD-1000HT • MD-1000LT Illustrations Page Wash pump/motor assembly _______________________________________________ 45 MD-1000HT • Built-in booster assembly ______________________________________ 47 MD-1000HT • Control cabinet enclosure ______________________________________ 49 MD-1000HT • Conrtol cabinet assembly ______________________________________ 51 MD-1000LT • Control cabinet enclosure with chem
Wash pump/motor assembly Item No. 44 Service Replacement Parts Part No. Description Qty.
Service Replacement Parts Wash pump/motor assembly 1/4-20 locknut 1/4" washer 1/4-20 locknut 1/4" washer 1/4-20 x 3/4" 1/4 x 20 washer 20 21 22 21 21 23 21 45
Built-in booster assembly • MD-1000HT Item No. 46 Part No. Service Replacement Parts Description Qty.
Service Replacement Parts Built-in booster assembly • MD-1000HT 1 2 3 4 5 11 6-32 x 1/4" screw 6-32 washer 10 6 17 7 10-32 nylon insert nut and washer 8 16 9 13 12 6 14 15 21 20 18 19 47
Control cabinet enclosure • MD-1000HT Item No. Part No. Service Replacement Parts Description Qty.
Service Replacement Parts MD-1000HT • Control cabinet enclosure 1 10 3 2 4 1/4-20 x 1/4" truss-head screw 5 6 9 1/4-20 x 1/4" truss-head screw 7 8 Hood 49
MD-1000HT • Control cabinet assembly Item No. 50 Part No. Service Replacement Parts Description Qty.
Service Replacement Parts MD-1000HT • Conrtol cabinet assembly 6 5 1 18 3 4 2 17 16 15 7 14 11 12 13 10 10 9 8 51
Control cabinet enclosure • MD-1000LT with chemical dispensing pumps Item No. 52 Part No. Service Replacement Parts Description Qty. Unit 1 0310962-1 control cabinet cover 1 ea 2 0510872-1 sanitizer & rinse aid pump mtr. 115VAC, 14RPM 2 ea 3 0510870-1 detergent pump motor, 115VAC, 108 RPM 1 ea 4 0510869-1 pump head assy.
Service Replacement Parts MD-1000LT • Control cabinet enclosure with chemical dispensing pumps 23 1 13 14 2 3 11 12 Inner panel cut-out 19 1/4-20 x 1/4" truss-head screw 18 17 15 16 10 4 22 20 1/4-20 x 1/4" truss-head screw 5 21 6 Sanitizer = white 9 7 Rinse-aid = blue 8 Detergent = red Hood 53
MD-1000LT • Control cabinet assembly Item No. 54 Part No. Service Replacement Parts Description Qty.
Service Replacement Parts 1 2 MD-1000LT • Conrtol cabinet assembly 3 4 6 5 14 13 7 9 8 See page 52-53 for chemical dispenser pumps DETERGENT SANITIZER FILL 10 10 10 RINSE AID DRAIN POWER ON 12 11 OFF CYCLE 55
Top mounted assemblies Service Replacement Parts water inlet airgap chemical injection sight-glass, door safety switch Item No. 56 Part No. Description Qty.
Service Replacement Parts Top mounted assemblies water inlet airgap, chemical injection sight-glass, door safety switch 18 16 17 Low Temp 15 1 2 11 3 4 15 10 9 11 12 8 5 14 13 6 7 57
Lower wash tank and drain assembly Item No. 58 Part No. Service Replacement Parts Description Qty. Unit 1 0512012 drain overflow tube 1 ea 2 0510849 retaining ring 2 ea 3 202009 pin 2 ea 4 0510497 drain ball 1 ea 5 107440 thermometer w/ 8 ft.
Service Replacement Parts Lower wash tank and drain assembly 1 2 3 5 4 6 High Temp Thermometer 12 Use Item 5 7 8 3 Low Temp Thermometer and I DH200 9 12 11 3 10 59
Hood assembly Item No. 60 Service Replacement Parts Part No. Description Qty.
Service Replacement Parts Hood assembly 1 2 2 4 2 8 2 8 9 2 9 3 16 8 10 15 14 11 7 13 12 8 6 5 61
Front panel, temperature gauges scrap screen covers Item No. 62 Part No. Service Replacement Parts Description Qty. Unit 1 0312011 front panel clip 2 ea 2 0312029-1 rear drain pan cover 1 ea 3 0312029 front drain pan cover 1 ea 4 0312010 front panel (MD-1000HT only) 1 ea 5 0310979 scrap basket 1 ea 6 113622 final rinse temperature thermometer w/ 4 ft. capillary 1 ea 7 107440 wash temperature thermometer w/8 ft.
Service Replacement Parts Front panel, temperature gauges, scrap screen covers 1 2 SE RIN H AS W 3 6 7 4 5 63
Dishrack track assembly Item No. Part No. Description Qty.
Service Replacement Parts Dishrack track assembly 65
Sprayarm assembly Item No. 66 Service Replacement Parts Part No. Description Qty.
Service Replacement Parts Sprayarm assembly 67
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Appendix A ________________________ Appendix A: Specification Sheets Models MD-1000HT • MD-1000LT Note: This section was not available at print time. The specification sheets will be added as soon as possible.
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MD-1000HT and MD-1000LT • Electrical schematics/Timer cycle charts ________________ Electrical Schematics and Timer Cycle Charts Models MD-1000HT • MD-1000LT 71
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Electrical schematics/Timer cycle chart • High temperature model 73
Electrical schematics/Timer cycle chart • Low temperature model 74