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DISHWASHER MODEL 24P-NSU 

SPECIFICATION: 

440 VOLT - 60 HERTZ - 3 PHASE 

HIGH TEMPERATURE SANITIZING 

UNDERCOUNTER UNIT 

SERVICE MANUAL 

DGSC MANUAL NUMBER: 

S6161 -A1 -FSC010-17228 

INCLUDES: 

-Warranty Policy                                                               -Installation Requirements 

-Operating Instructions                                                   -Basic Functions of Dishwasher 

-Description of Components                                          -Maintenance and Care 

-Troubleshooting Guide                                                 -Wiring Diagrams 

 

MANUFACTURING OPERATIONS & WORLD HEADQUARTERS  

Highway 25E, P.O. Box1060  

Barbourville, KY 40906  

888/800-JMSC  

Fax: 606/523-9196 

January 8, 1999                                                                                            

 

 

 

 

       7610-100-37-00 Rev B 

Summary of Contents for 24P-NSU

Page 1: ...C010 17228 INCLUDES Warranty Policy Installation Requirements Operating Instructions Basic Functions of Dishwasher Description of Components Maintenance and Care Troubleshooting Guide Wiring Diagrams...

Page 2: ...CONTROL 10 SWITCHES CIRCUIT BREAKER AND INDICATOR LIGHTS 11 SERVICE AND ADJUSTMENTS 12 13 THERMOSTAT ADJUSTMENT 12 INCOMING WATER SOLENOID SERVICE 13 TROUBLESHOOTING 14 16 ILLUSTRATED PARTS LIST 15 23...

Page 3: ...GPM 60 WATER REQUIREMENTS Inlet Temperature F 140 Gallons per hour 52 3 Flow pressure PSI 20 Flow gallons per minute 7 1 Inlet size NPT 1 2 Drain size OD 1 1 2 WASH PUMP MOTOR HP 1 2 WASH HEATER KW 1...

Page 4: ...ility of personal injury to yourself or others CAUTION means there is the possibility of damage to the machine UNPACKING AND INSPECTION STEPS 1 Remove wooden blocks securing carton to skid and lift bo...

Page 5: ...ed Install 3 8 inch stainless steel lug bolts to secure tracks and caps to deck 4 Drill holes into deck as shown in FIGURE 1 and insure rear holes are located 2 1 4 inch from wall 5 The tracks and the...

Page 6: ...FIGURE 1 INSTALLATION OF DECK HARDWARE TO SECURE DISHMACHINE...

Page 7: ...ing of steam ELECTRICAL POWER CONNECTION WARNING All field wiring connections must conform to the Local and National electrical codes Install proper circuit breaker wire and conduit size MACHINE DATA...

Page 8: ...FIGURE 2 LEGEND A ELECTRICAL HOOK UP B 1 2 F S P S WATER INLET C 1 1 2 DRAIN CONNECTION D EQUALIZING VENT 1 1 4 REFERENCE ONLY SUBJECT to CHANGE...

Page 9: ...2 Insert wash head assembly down into upper pump housing as far as possible 3 Insert retaining pin to secure wash head to pump housing PAGE5 1 Line up stud to match with slot in nipple 2 Insert rinse...

Page 10: ...ition 8 To drain the machine close the door and latch Push the On Fill Off Drain switch to the OFF position All machine functions will be off Push On Fill Off Drain switch down to the momentary drain...

Page 11: ...around overflow and strainer pan b Clean around pump intake toothbrush makes excellent tool for cleaning 3 Clean Y strainer on incoming water line Water to machine must be turned off for this operatio...

Page 12: ...Clean ball bearings by soaking in de liming solution 12 Ball bearing race ways may be cleaned by either brushing with de liming solution toothbrush makes excellent tool or gently clean by rubbing wit...

Page 13: ...heat Interval will begin After the preheat the wash cycle will start and last 130 seconds Between wash and rinse there Is a 4 second dwell followed by a 15 second rinse Cycle by opening and closing do...

Page 14: ...ing the Auto Fill circuit Symptoms of Level Control Failure 1 Auto Fill will not shut off when water reaches the proper level 2 Machine will partially fill Proceed with Checkouts 1 Remove power source...

Page 15: ...t off This green light comes on only when the automatic cycle is in progress and goes off when the cycle is complete This switch is used to bypass the timer and operate the wash pump manually The wash...

Page 16: ...crew 1 so that it can be turned equal distances in either direction then if screw 1 stopped while turning in CW direction turn screw 2 in CW direction slowly and only 1 8 of a turn or less per complet...

Page 17: ...nd diaphragm cartridge can now be lifted out Be careful not to damage the machined faces while the valve is apart To Reassemble Place the diaphragm cartridge in the body with the pilot port extension...

Page 18: ...starting field in the wash pump motor once the motor has gained speed the running winding will then take over and the starting winding will be removed when the relay kicks out This relay is the ampera...

Page 19: ...ll switch Replace continuously with power applied to machine but when circuit Defective timer that has Replace timer motor or breaker to machine Is turned stopped In a position timer as necessary off...

Page 20: ...r system s checkout page Replace it necessary Defective neater relay on If defective replace See note contactor on heater system above After filling machine with Overflow drain clogged Clean away obst...

Page 21: ...0108500 PROPELLER FOR DRAIN PUMP 7 0108500 0 RING SEAL 8 0108500 DRAIN INLET PLATE 9 0109500 SUCTION ADAPTER PLATE 10 0109000 IMPELLER FOR WASH PUMP 11 0108500 TRUSS HEAD SCREW 12 0109500 DIFFUSER ALS...

Page 22: ...ER ELEMENT GASKET 8 WATER INLET 7 THERMOMETER COUPLING 8 WATER OUTLET ITEM P N DESCRIPTION 1 566 WASH TANK RING ELEMENT 2 0125200 RINSE ASSEMBLY LOWER 3 0188900 WASH ASSEMBLY 4 WASH RESERVOIR 5 HOLES...

Page 23: ...1 BOOSTER TANK HEATER ELEMENT P N 2 ELEMENT GASKET P N 0060002 THERMOSTATIC OVERLOAD P N 0169601...

Page 24: ...N 0153100 VACUUM BREAKER P N 0184101 P N 0184200 ITEM P N DESCRIPTION 1 0153600 Y STRAINER 2 REMOVABLE FILTER 3 0185000 VALVE FOR HEALTH INSPECTOR 4 0142100 SOLENOID VALVE 110V used on 60 cycle machin...

Page 25: ...2 0125100 RINSE ASSEMBLY UPPER 2A 0125200 RINSE ASSEMBLY LOWER 3 0004000 SIDE FRAME BRACE RIGHT HAND 4 0188900 WASH ASSEMBLY 5 0005700 BOOSTER TANK 6 0083400 ADJUSTING FEET 7 0054902 KICK PANEL 8 005...

Page 26: ...ITEM P N DESCRIPTION 1 2 1541 1051 VACUUM BREAKER ASSEMBLY PUMP MOTOR ASSEMBLY 3 DRAIN GRAVITY FEED 4 56 BOOSTER TANK 5 EQUALIZING VENT 6 INCOMING WATER CONNECTION 7 TRANSFORMER BOX W LID 8 TRANSFORME...

Page 27: ...R HANDLE ASSEMBLY 3 0052600 FRONT DOOR OUTER 4 0054902 KICK PANEL 5 INCOMING WATER CONNECTION 6 0083400 ADJUSTING FEET 7 0108100 PUMP MOTOR ASSEMBLY 110V 60 cycle 8 DRAIN GRAVITY FEED 9 0142400 DRAIN...

Page 28: ...MALL MANIFOLD 9 0188601 WASH HEAD ASSEMBLY w TUBES RETAINING PIN w RING 5 0189500 WASH HEAD LARGE MANIFOLD w TUBES ITEM P N DESCRIPTION ITEM P N DESCRIPTION 1 0125200 RINSE HEAD ARM 5 0126500 RINSE HE...

Page 29: ...5 0083518 POWER LIGHT 6 0083507 CYCLE LIGHT 7 0159700 MANUAL AUTO SWITCH 8 0083518 HEATER RESET LIGHT 9 0121300 MOTOR RELAY R 3 10 0169601 THERMOSTATIC OVERLOAD 11 0165600 TERMINAL BOARD INCOMING ELE...

Page 30: ...Diffuser only 1 0109000 Pump Impeller kit 1 0109500 Pump Upper Housing kit 1 0109600 Pump Upper Housing only 1 0109700 Pump Fill Head Machine Screws short 4 0109800 Pump Fill Head Machine Screws long...

Page 31: ...0184200 Vacuum Breaker Repair Kit Conbraco 1 0186500 Wash Head Cap w Race 1 0187000 Wash Head Cap Set Screw 1 0187500 Wash Head Center Shaft 1 0188600 Wash Head Holding Pin 1 0188601 Wash Head Disconn...

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