Moyer Diebel 301HT manual

T echnical Manual Model Undercounter Dishwasher www .moy erdiebel.com June, 2005 Manual P/N 1 13648 Rev H 301HT High T emperature with Built-in Booster Machine Serial No . Simply Engineered Better P . O. Box 4183 Winston-Salem, North Car olina 271 15-4149 336/661-1992 Fax: 336/661-1660 2674 N. Service Road Jordan S tation, Ontario, Canada L0R 1S0 9[...]

Complete the infor ma tion below for quic k reference. Model Number Serial Number V oltage and Phase Moyer Diebel Parts Supplier Phone Moyer Diebel Service Agency Phone Note: When calling to order parts, be sure to have the model number , serial number , voltage and phase of your machine. COPYRIGHT © 2005 by Moyer Diebel (USA). All Right s Reserve[...]

i R e vision Recor d Revision Revised Serial Number Comments Date Pages Effectivity 7/3/03 All —— Fir st is sue o f man ual a nd replacement parts lists 10/2/03 2, 30-31 Inserted pressure reducing valve information (107550). 10/14/03 22-23 Inserted rinse aid dispenser parts breakdown information. 10/14/03 33 Revised part number for solenoid val[...]

ii REVISION RECORD R e vision R ecor d (Cont.’)[...]

iii LIMITED W ARRANTY Limited W ar r anty 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. Warranty of Machines: Moyer Diebel warrants all new machines of its manufacture bearing the name “Moyer Dieb[...]

iv FOREW ORD 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[...]

v R e vis io n R e c o r d........................................................................................................... i L im it e d W a r r a n t y ......................................................................................................... iii F o rwa rd .................................................................[...]

vi T his Page Intentionall y Left Blank Part 1: INST ALLA TION AND MAINTENANCE[...]

1 ! INST ALLA TION 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, ha[...]

2 ! INST ALLA TION INST ALLA TION (CONT .) ELECTRICAL CONNECTIONS NOTE: Leave enough electrical cable behind the machine so that the dishwasher can be pulled forwar d a minimum of two feet to be serviced. WARNING: Electrical and gr ounding connections must comply with the National Electrical Code and/or Local Electrical Codes. WARNING: When working[...]

3 ! INST ALLA TION (CONT .) PLUMBING CONNECTIONS (CONT .) Drain Connections 1. Drain hose must be supported by bracket provided (shipped inside of machine). 2. The drain hose bracket must be mounted a minimum of 2 feet above the finished drain, either on the rear of the machine or on the wall. 3. The maximum height of the drain from the floor must [...]

4 INST ALLA TION (CONT .) COMPLETING THE INST ALLA TION 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. This allows the tank to begi[...]

5 OPERA TION OPERA TION OPERA TION SUMMAR Y 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. 4. Press and holding the ST ART button starts t[...]

6 ! ! 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. Repeat steps 4-9 for additional cycles. Machine operation is automatic. 11. Clean the scrap screens after every meal period. During heavy[...]

7 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 d[...]

8 MAINTENANCE MAINTENANCE (CONT .) CLEANING SCHEDULE (CONT .) •As Required 1. Check temperature gauge readings. Replace as necessary . 2. Check chemical supplies and refill as necessary . •W eekly 1. Inspect all water lines for leaks and tighten any joints of required. 2. Clean all detergent residue from exterior of machine. 3. Check drain for [...]

9 MAINTENANCE (CONT .) CLEANING SCHEDULE (CONT .) DELIMING Y our 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. Carefully follow the following procedure to preform de[...]

10 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. W ash and rinse arms are clean and clear of any debris. 3. Overflow tube is properly positioned. 4. Scrap screen is properly positioned and clean. 5. Thermostats are at the [...]

11 TROUBLESHOOTING (CONT .) CONDITION CA USE SOLUTION 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[...]

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13 REPLACEMENT P ARTS REPLA CEMENT PA R T S[...]

14 REPLACEMENT P ARTS Figure 4- Hood and T ank 2 3 A 9 10 11 11 4 5 7 8 6 3 1 7 7 7 11 11 12 12 12 12 13[...]

15 REPLACEMENT P ARTS HOOD AND TANK Fig. 4 Part Item No. No. Part Description Qty 1 H36145 Panel, Control Cabinet .................................................................. 1 2 H36147 Panel, Side RH .............................................................................. 1 3 H35551 T racks, Rack .......................................[...]

16 REPLACEMENT P ARTS Figure 5- Door Assembly A 5 6 5 11 7 9 10 16 A 3 2 1 A 8 8 12 12 15 14 16 4 A 4[...]

17 REPLACEMENT P ARTS DOOR ASSEMBL Y Fig. 5 Part Item No. No. Part Description Qty 1 H25791 Nut Plain ....................................................................................... 2 2 106486 W asher .......................................................................................... 2 3 107623 Nut Door Support ......................[...]

18 REPLACEMENT P ARTS Figure 6- W ash and Rinse Arms 6 5 1 4 2 1 6 8 6 6 5 1 2 1 4 3 8 7 7 3 9 9[...]

19 REPLACEMENT P ARTS WASH AND RINSE ARMS Fig. 6 Part Item No. No. Part Description Qty 1 112551 Bearing, W ash Arm ....................................................................... 4 2 112549 Hub, W ash Arm ............................................................................. 2 3 112793 W ash Arm .....................................[...]

20 REPLACEMENT P ARTS Figure 7- T ank Components 4 13 12 4 2 1 4 8 7 4 5 6 11 10 16 15 14 9 3[...]

21 REPLACEMENT P ARTS TANK COMPONENTS Fig. 7 Part Item No. No. Part Description Qty 1 H35162 Heater 2000W 230V ..................................................................... 1 2 113604 Th e rmostat Handle ........................................................................ 1 3 H36351 Support Plate, for Thermostat Handle .................[...]

22 REPLACEMENT P ARTS 1 2 3 4 5 6 8 7 9 10 11 12 13 14 15 16 17 18 19 20 21 22 Figure 8- Rinse Aid Dispenser[...]

23 REPLACEMENT P ARTS RINSE AID DISPENSER Fig. 8 Part Item No. No. Part Description Qty 1 H15229 Locknut, Rinse Aid Dispenser ...................................................... 1 2 H25757 Spacer Slotted ............................................................................... 1 3 H36343 Support, Rinse Aid Dispenser .......................[...]

24 REPLACEMENT P ARTS Figure 9- Drain Assembly 8 9 13 14 14 17 18 12 14 15 16 2 6 4 3 5 7 1 10 11 20 19[...]

25 REPLACEMENT P ARTS DRAIN ASSMEBL Y Fig. 9 Part Item No. No. Part Description Qty 1 H32796 Cover , Round Filter ........................................................................ 1 2 H32795 Bottom, Round Filter ..................................................................... 1 3 H36160 Overflow T ube, Drain Pump ...... ................[...]

26 REPLACEMENT P ARTS Figure 10- W ash and Rinse Piping A 14 13 12 11 10 9 5 4 8 BOTTOM OF T ANK 7 3 1 5 6 4 A 2[...]

27 REPLACEMENT P ARTS WASH AND RINSE PIPING Fig. 10 Part Item No. No. Part Description Qty 1 H25807 Jubilee Clip ................................................................................... 1 2 110215 Screw SS ....................................................................................... 1 3 H35509 Hub, Upper Arm ...................[...]

28 REPLACEMENT P ARTS Figure 1 1- Pump Assembly 1 2 3 4 5[...]

29 REPLACEMENT P ARTS PUMP ASSEMBL Y Fig. 1 1 Part Item No. No. Part Description Qty 1 H36354 Pump Body ................................................................................... 1 2 H26224 Gasket Pump Body ....................................................................... 1 3 H26204 Impeller ..........................................[...]

30 REPLACEMENT P ARTS Figure 12- Booster Assembly 1 2 3 5 6 7 5 6 4 8[...]

31 REPLACEMENT P ARTS BOOSTER ASSMEBL Y Fig. 12 Part Item No. No. Part Description Qty 1 H36250 H e ater 4000W 230/380V (40° Rise) ............................................. 1 H33400 He ater 6000W 230/380V (70° Rise) ............................................. 1 2 H161 123 Element Cap .........................................................[...]

32 REPLACEMENT P ARTS Figure 13- Fill Piping Assembly 5 1 2 3 4 2 3 4 3 4 3 6 6 7 10 3 4 18 16 15 14 13 22 23 19 19 3 18 20 4 25 24 17 12 8 4 21 11 9 27 NOT SUPPLIED 26 28[...]

33 REPLACEMENT P ARTS FILL PIPING ASSEMBL Y Fig. 13 Part Item No. No. Part Description Qty 1 H36156 V acuum Breaker Mounting Box .................................................... 1 2 H36361 Hose Barb ..................................................................................... 2 3 H25803 Clamp, Hose ......................................[...]

34 REPLACEMENT P ARTS Figure 14- Control Panel Prior to S/N 54256 & After S/N 54305 2 3 5 6 9 13 14 13 14 1 4 5 6 8 7 11 12 3 10[...]

35 REPLACEMENT P ARTS CONTROL PANEL (PRIOR T O 54256 & AFTER S/N 54305) Fig. 14 Part Item No. No. Part Description Qty 1 H36131 Data Plate ...................................................................................... 1 2 H35336 Cap, Drain Pushbutton .................................................................. 1 3 H32928 Lamp Neon[...]

36 REPLACEMENT P ARTS PO W ER S T A R T CYCLE DRAIN W A S H RINSE 3 2 6 3 12 13 12 13 1 3 5 6 3 10 3 2 4 7 8 9 4 11 Figure 15- Control Panel S/N Range 54256 to S/N 54304[...]

37 REPLACEMENT P ARTS CONTROL PANEL (S/N RANGE 54257 TO 54304) Fig. 15 Part Item No. No. Part Description Qty 1 H36648 Data Plate ..................................................................................... 1 2 H36799 Ke y , Black Drain ........................................................................... 2 3 H36795 Holder , D.25 Bla[...]

38 REPLACEMENT P ARTS Figure 15- Contr ol Cabinet 10 11 1 2 3 5 7 8 4 6 9 13 12[...]

39 REPLACEMENT P ARTS CONTROL CABINET Fig. 15 Part Item No. No. Part Description Qty 1 H160121 Hose, Black Rubber ...................................................................... 1 2 H31643 Clamp, Hose .................................................................................. 1 3 H31171 Pressure Switch ................................[...]

40 T his P a ge Intentionally Left Blank[...]

41 REPLACEMENT P ARTS Part 4: ELECTRICAL SCHEMA TICS PA R T 4 : ELECTRICAL SCHEMA TICS[...]

42 ELECTRICAL SCHEMATICS DRIP PAUSE DM2 DM3 DM4 120 SEC WASH RINSE DM1 0 SELF FEEDING 150 SEC * TIMER MOTOR OFF = DELAY FOR BOOSTER HEATING * TIMER SEQUENCE DIAGRAM BH BTS DSS HLTS PS PSW 2 1 3 15 HLTS WTS TH 13 11 4 12 7 7 18 16 PL 3 4 1CR CL 6 M1 M3 M2 M4 8 8 6 6 10 10 1CR PB DRP 5 RV STMD 9 9 9 20 6 5 21 21 1 1 1 1 4 11 42 41 40 DOOR CONTACT BOO[...]

43 REPLACEMENT P ARTS ELECTRICAL SCHEMA TICS DRIP PAUSE DM2 DM3 DM4 120 SEC WASH RINSE DM1 0 SELF FEEDING 150 SEC * TIMER MOTOR OFF = DELAY FOR BOOSTER HEATING * TIMER SEQUENCE DIAGRAM BTS DSS HLTS PS PSW 2 1 3 15 HLTS WTS TH 13 11 4 12 7 7 18 16 PL 3 4 1CR CL 6 M1 M3 M2 M4 8 8 6 6 10 10 1CR PB DRP 5 RV STMD 9 9 9 20 6 5 21 21 1 1 1 1 4 11 42 41 40[...]

45 REPLACEMENT P ARTS[...]