High temperature undercounter dishwasher
hot water sanitizing with 4kw built-in
stainless steel electric booster
option:
6kw built-in electric stainless steel booster (32 pages)
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June, 2005 P. O. Box 4183 Winston-Salem, North Carolina 27115-4149 336/661-1992 Fax: 336/661-1660 Technical Manual Undercounter Dishwasher Model 301HT High Temperature with Built-in Booster Manual www.moyerdiebel.com Machine Serial No. 113648 Rev H 2674 N. Service Road Jordan Station, Ontario, Canada L0R 1S0...
Moyer Diebel within ten (10) days after installation. If warranty card is not returned to Moyer Diebel within such period, the warranty will expire after one year from the date of ship- ment.
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FOREWORD 1. Read the instructions in this manual carefully. It contains important information on installation, operation, and safety. 2. Store this manual carefully for future reference. 3. After removing packing material, check for loose parts in dishracks. 4. Before switching the equipment on, make sure that the model data plate conforms to the electrical and water requirements supplied to this particular machine.
TABLE OF CONTENTS R evision R ecord... L imited Warranty ... Forward... INSTALLATION ... OPERATION ... MAINTENANCE ... REPLACEMENT PARTS ... ELECTRICAL SCHEMATICS ... LIST OF FIGURES Figure – Control Panel Detail ... Figure – Power Switch Position ... Figure –...
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Part 1: INSTALLATION AND MAINTENANCE This Page Intentionally Left Blank...
GENERAL This manual covers the Moyer Diebel 301 undercounter high temperature dishwashing machine with built-in booster. Liquid detergent and rinse aid dispensing pumps are standard. Even though chemical dispensing settings are preset at the factory for average water conditions, to ensure maximum performance and best results, have your chemical supplier perform a water titration test and adjust dispensing pumps for your specific water conditions.
Electrical and grounding connections must comply with the National Electrical Code and/or Local Electrical Codes. WARNING: When working on the dishwasher, disconnect the electric service and tag it to indicate work is being done on that circuit. 1. The electrician should compare the electrical specifications on the machine electrical data plate (located in the control panel) to the electrical power supply before connecting the machine to the incoming service at a fused disconnect switch.
Always wash the hands under running water if they come into contact with the detergent and comply with the specific instructions pertaining to the specific type of detergent. NOTE: A nonchlorinated detergent is recommended for your dishwasher. To prime the peristaltic pump: 1. Insert pump inlet hose into the detergent container.
INSTALLATION (CONT.) COMPLETING THE INSTALLATION 1. Recheck for and remove any foreign materials from inside the machine. 2. Center the scrap screens over the sump opening 3. After Plumbing and electrical connections are completed, check machine for water leaks by closing the door, then depressing the ON switch.
OPERATION OPERATION SUMMARY The following is a summary of your model 301HT dishwasher operating cycle: 1. The door must be closed to begin the cycle. 2. Pressing the POWER button begins to fill the wash tank. 3. When the correct water level has been reached the booster heater comes on.
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OPERATION OPERATIONS (CONT.) MAINTENANCE 7. Check the rinse temperature during the final rinse. The final rinse must be 82°C/180°F minimum. 8. When the green cycle light turns off, the cycle is complete. 9. Open the door and remove the rack. 10.
MAINTENANCE The efficiency and life of your machine in increased be regularly scheduled preventive mainte- nance. 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. Should poor results occur: first drain, next clean the machine as described below in the Daily-Every 8 Hours procedure, then refill.
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MAINTENANCE MAINTENANCE (CONT.) CLEANING SCHEDULE (CONT.) •As Required 1. Check temperature gauge readings. Replace as necessary. 2. Check chemical supplies and refill as necessary. •Weekly 1. Inspect all water lines for leaks and tighten any joints of required. 2. Clean all detergent residue from exterior of machine. 3.
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MAINTENANCE (CONT.) CLEANING SCHEDULE (CONT.) DELIMING Your dishwasher should be delimed regularly as required. This will depend on the mineral content of your water. Inspect the machine interior for lime deposits. If deliming is required, a deliming agent should be used for best results.
TROUBLESHOOTING TROUBLESHOOTING Before determining any specific cause of a breakdown or abnormal operation of your dishwasher, check that: 1. All switches are turned on. 2. Wash and rinse arms are clean and clear of any debris. 3. Overflow tube is properly positioned.
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TROUBLESHOOTING (CONT.) CONDITION CAUSE Insufficient pumped spray Clogged pump intake screen ... Clean pressure Clogged spray pipe ... Clean Scrap screen full ... Must be kept clean and in place Low water level in tank ... Check drain and overflow tube Defective pump seal ...
Fig. 5 Part Item No. H25791 Nut Plain ... 106486 Washer ... 107623 Nut Door Support ... H160909 Door Rod Plate ... H160837 Gasket ... H34144 Door Rod ... H15568 Door Dowels ... H30438 Door Spring ... H33336 Door Catch ... H25693 Self-Tapping Screw Bevel 2 x 13 ...
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