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Simply Engineered Better
Technical Manual
Undercounter
Dishwasher
Model
401-HT
401-HTN
401-LT
Machine Serial No.
February, 2003 Manual P/N 0509604 REV. G
2674 N. Service Road
Jordan Station, Ontario, Canada L0R 1S0
Moyer Diebel, Ltd. 905/562-4195 Fax: 905/562-4618
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Complete the information below so it will be available for quick reference. Model Number __________________________ Serial Number ________________________ Voltage and Phase ______________________________________________________________ Moyer Diebel Parts Distributor _______________________________ Phone _____________ (if applicable) _____________________________________________________________________________ Moyer Diebel Service Agency ________________________________ Phone _____________ ______
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REVISIONS Revision History Revision Revised Serial Number Comments Date Pages Effectivity 02/28/97 All 7791 Issue of manual and replacement parts lists. 09/09/98 27 7791 Changed booster tank part number. 09/09/98 29 7791 Changed item 15 hose part number. 02/28/00 40, 41, 42, 43 7791 Revised electrical schematic. 07/21/00 17, 23, 37 7791 Revised part numbers. 08/22/01 21 — Revised part numbers. 12/12/01 27 — Revised fill hose part number. 11/04/02 17 — Revised part number for front panel. 11/04/0
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CONTENTS CONTENTS Page INTRODUCTION....................................................................................................................................... 1 WARRANTY.............................................................................................................................................. 2 GENERAL .................................................................................................................................................. 3 INSTALLATION.....
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CONTENTS Figure 9—Detergent Pump Assembly......................................................................................................... 32 Figure 10—Sanitizer/Rinse-Aid Pump Assembly....................................................................................... 34 Figure 11—Control Panel Assembly........................................................................................................... 36 Figure 12—Electrical Diagram, 401-HT.....................................
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INTRODUCTION INTRODUCTION Welcome to Moyer Diebel. Thank you for choosing Moyer Diebel and for allowing us to take care of your dishwashing needs. This manual covers several models. Model numbers are shown on the front cover. Your machine has been completely assembled, inspected, and thoroughly tested at our factory to eliminate problems at installation before it was shipped to your installation site. This manual provides: •Warranty information • Installation and operation procedures • Maintenan
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WARRANTY LIMITED WARRANTY 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 manufacture bearing the name “Champion” or "Moyer Diebel" and installed within the United States and Canada to be free from defects in material and wor
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GENERAL GENERAL This manual covers the Moyer Diebel 401 undercounter dishwashing machine. This machine is fully automatic and is equipped with a 1/2 H.P. pump motor. All models are available for mounting directly to the floor or on optional stands (see accessories listed on page 4). Standard equipment includes: -Automatic tank fill -Wash/rinse arm -Common utility connections -Two dish racks (peg and flat) -120 Volt control circuit -Exclusive vent design for -Convenient, easy to use controls ven
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GENERAL Accessories • 17RS - 17" rack stand (raises working height and adds rack storage) • 17T - 17" cabinet (raises working height and adds storage) • CST - Combination sink/table (scraping and sorting station) • 101285 - Dish Rack (Peg Rack) • 101273 - Silverware Rack (Flat Bottom Rack) Electrical Power Requirements Booster Machine Power Requirement Model Voltage Rise Full Load Amp (125% Service Factor) 401-LT 115/60/1 N/A 9 15 401-HTN 115/60/1 N/A 9 15 401-HT 208/60/1 40 33 42 401-HT 240/60
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INSTALLATION INSTALLATION Unpacking WARNING: ! Care should be taken when lifting the machine to prevent damage. 1. Immediately after unpacking your machine, inspect for any shipping damage. If damage is found, save the packing material and contact the carrier immediately. 2. Remove the dishwasher from the skid. Adjust the feet if required, then move the machine to its permanent location. 3. Level the machine (if required) by placing a level on the top of the machine and adjusting the feet. Leve
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INSTALLATION Plumbing Connections CAUTION: ! Plumbing connections must comply with local sanitary and plumbing codes. Water Connections 1. Connect the hot water supply (60°C/ 140°F Min) to the 1/2" I.D. fill hose provided. The fill solenoid valve is equipped with a flow control that will accept water pressures from 172 kPa/25 psi to 665 kPa/95 psi. 2. Install a manual shut-off valve with 3/4" garden hose connection in the water supply line close to the machine to accommodate installation and ser
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INSTALLATION Completing Installation 1. Remove any foreign material from inside the machine. 2. Center the scrap screen over the sump opening. 3. Prime the booster using the following procedure (if applicable). CAUTION: ! To prime the booster, the following procedure must be followed AFTER the electrical and plumbing connections have been made and water has been turned on. a. Open the dishwasher door. b. Make sure the On-Fill/Off-Drain switch is in the Off-Drain position. c. Push the Detergent
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OPERATION OPERATION Operation Summary (See Timer Chart in back of manual) The following is a summary of your Undercounter Dishwashing Machine operating cycle: 1. The cycle begins when you close and latch the door. 2. The green cycle lamp lights and the wash pump starts. 3. The pump runs during the wash cycle for approximately 80 seconds. 4. The wash pump stops, and the drain valve is opened. 5. After a 2-3 second pause, the pump drain cycle begins and continues for approximately 30 seconds. 6. A
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OPERATION NOTE: The machine may be stopped at any time by opening the door. When restarted, the cycle does not start over. It will continue from the point at which it was interrupted. 7. Check the rinse temperature during the final rinse (120 seconds into cycle). The rinse temperature must be 82°C/180°F minimum for models 401-HT and 401-HTN and 60°C/140°F for model 401-LT. 8. The pump will automatically stop and the green cycle light will turn off indicating the cycle is completed. 9. Open the
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MAINTENANCE MAINTENANCE The efficiency and life of your machine is increased by regularly scheduled preventive maintenance. A well maintained machine gives better results and service. An investment of a few minutes of daily maintenance will be worthwhile. The best maintenance you can provide is to keep your machine clean. Components that are not regularly cleaned and flushed will clog and become inoperative. Intervals shown in the following schedules represent an average length of time between n
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MAINTENANCE Deliming Your dishwasher should be delimed regularly as required. This will depend on the mineral content of your water. Inspect your machine interior for lime deposits. If deliming is required, a deliming agent should be used for best results. If you have the chemical sanitizing model (401-LT), carefully follow the following procedure before deliming: DANGER: ! Deliming solution or other acids must not come in contact with household bleach (sodium hypochlorite) or any chemicals con
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MAINTENANCE Maintenance Schedule • As Required 1. Check the temperature gauge reading. 2. Check the chemical supplies and refill as necessary. • Weekly 1. Inspect all water lines for leaks and tighten them at joints if required. 2. Clean all detergent residue from the exterior of the machine. 3. Check the drain for leaks. 4. Remove and closely inspect the spray arm for blockage. 5. Check for damage to the scrap screen. Ineffective screening can cause wash system failures, or poor washing result
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TROUBLESHOOTING TROUBLESHOOTING Before determining any specific cause of a breakdown or abnormal operation of your dishwasher, check that: 1. Power supply is turned on. All switches are ON. 2. Wash arm is clean. 3. Scrap screen is properly positioned and clean. 4. Thermostat is at the correct setting. 5. Sanitizer, detergent, and rinse additive dispensers (if equipped) are adequately filled. 6. All plumbing valves are open and drain hose is not kinked. If a problem still exists, use the followin
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