Jackson Hot Water Sanitizing Undercounter Dishmachines JPX-300NSU, Technical Manual

Page 1: ...CKSON MODEL JPX 300NSU Jackson MSC Inc P O Box 1060 Barbourville KY 40906 606 523 9795 Fax 606 523 9196 www jacksonmsc com An Company HOT WATER SANITIZING UNDERCOUNTER DISHMACHINE August 16 2005 P N 7610 002 75 96 Revision E ...

Page 2: ...ersons improper installation if serial number has been removed or altered or if unit is used for purpose other than it was origi nally intended TRAVEL LIMITATIONS Jackson MSC limits warranty travel time to 2 two hours and mileage to 100 one hundred miles Jackson MSC will not pay for travel time and mileage that exceeds this or any fees such as those for air or boat travel without prior authorizati...

Page 3: ... 04 18 05 MAW N A Removed title Installation Manual for Export Units from cover E 08 16 05 MAW 6964 6988 7006 7383 Changed thermostat from 5930 121 71 36 to 5930 011 49 43 Added 4 3 4 Din Rail 5700 002 90 18 to Control Box Assembly Changed thermostat bracket from 5700 011 73 72 to 5700 011 81 64 Changed vacuum breaker from 4820 300 07 00 to 4820 003 06 13 Added service procedure pages i ...

Page 4: ...allation Date Service Rep Name Phone No JPX 300NSU Technical Manual 7610 002 75 96 Rev E 08 16 2005 NOMENCLATURE FOR THE MODEL COVERED IN THIS MANUAL JPX 300NSU JPX 300NSU Hot water sanitizing electrically heated dishmachine ...

Page 5: ... Rinse Solenoid Valve Repair Parts Kit 16 Vacuum Breaker Repair Parts Kit 20 VI PARTS SECTION Electric Panel Assembly 23 Switch Panel Assembly 24 Switch Panel Assembly Stainless Steel Switches 25 Kick Panel Assembly 26 Incoming Plumbing Assembly 27 Solenoid Valve Repair Kit Vacuum Breaker Repair Kit 30 Drain Valve Assembly 31 Drain Plumbing Assembly 32 Wash Motor to Wash Tub Assembly 33 Rinse Tank...

Page 6: ...THIS PAGE IS INTENTIONALLY LEFT BLANK iv ...

Page 7: ...1 SECTION 1 SPECIFICATION INFORMATION ...

Page 8: ... AMPS CIRCUIT 460 3 60 8 2KW 460V 11 A 15 AMP 460 3 60 10KW 460V 14 A 20 AMP WATER REQUIREMENTS INLET TEMPERATURE 40 BOOSTER 140 F INLET TEMPERATURE 70 BOOSTER 110 F GALLONS PER HOUR 52 3 WATER LINE SIZE NPT MINIMUM 1 2 DRAIN LINE SIZE NPT MINIMUM 1 1 2 FLOW PRESSURE P S I 20 A5 FLOW GALLONS PER MINUTE 7 1 FRAME DIMENSIONS HEIGHT MINIMUM 33 1 4 HEIGHT MAXIMUM 34 1 4 WIDTH 24 1 4 DEPTH 22 5 8 MAXIM...

Page 9: ...rance Width 20 1 4 Width 24 1 4 Inside Clearance Depth 21 1 4 Depth 22 5 8 Door Open Depth 39 1 2 Wall Clearance minimum 2 1 2 JPX 300NSU Technical Manual 7610 002 75 96 Rev E 08 16 2005 Undercounters C B A D B C A LEGEND A Water Inlet 1 2 ID Female Pipe Thread 2 1 2 B Chemical Feeder Connection C Electrical Connection B Rinse Additive Connection ...

Page 10: ...4 SECTION 2 INSTALLATION OPERATION INSTRUCTIONS ...

Page 11: ... raised safely Ensure that the unit is level from side to side and from front to back before making any connections PLUMBING THE DISHMACHINE All plumbing connections must comply with all applicable local state and national plumb ing codes The plumber is responsible for ensuring that the incoming water line is thoroughly flushed prior to connecting it to any component of the dishmachine It is neces...

Page 12: ...t of the way Install 3 4 conduit into the pre punched holes in the back of the control box Route power wires and connect to power block and grounding lug Install the service wires L1 L2 and L3 to the appropriate terminals as they are marked on the ter minal block Install the grounding wire into the lug provided It is recommended that DE OX or another similar anti oxidation agent be used on all pow...

Page 13: ...ow at the location where the dishmachine will be permanently positioned Install 3 8 stainless steel lug bolts to secure tracks and caps to the deck Drill holes into deck as shown below and insure rear holes are located 2 1 4 from the wall The racks and rear end caps may be tightened at this time Slide dishmachine onto tracks and into position at rear end caps Install front end caps into place and ...

Page 14: ...ecialist and detergent vendor and come up with a complete training program for operators Using too much detergent has as detrimental effects as using too little The proper amount of detergent must be used for job It is important to remember that certain menu items may require extra detergent by their nature and personnel need to be made aware of this Experience in using the dishmachine under a var...

Page 15: ...sanitize as well to destroy all of the bacteria that could be harmful to human beings In order to do this ware must be properly prepared prior to being placed in the machine DAILY MACHINE PREPARATION Refer to the section entitled PREPARATION at the top of this page and follow the instructions there Afterwards check that all of the chemical levels are correct and or that there is plenty of detergen...

Page 16: ...10 SECTION 3 PREVENTATIVE MAINTENANCE ...

Page 17: ...to remind operators that trying to perform corrective maintenance on the dishmachine could lead to larg er problems or even cause harm to the operator If a problem is discovered secure the dishmachine using proper shut down procedures as listed in this manual and contact Jackson Some problems however may having nothing to do with the machine itself and no amount of preventative maintanence is goin...

Page 18: ...12 SECTION 4 TROUBLESHOOTING ...

Page 19: ...in manual wash switch Replace switch Problem No water comes through the rinse arms when the START CYCLE switch is depressed 1 Water not turned on Turn water on 2 Defective solenoid valve Replace solenoid valve 3 Probes are dirty or coated Clean probes 4 Defective water level control Replace Problem Little or no water coming through the rinse assemblies 1 Limed up rinse heads or piping Delime rinse...

Page 20: ...hine doesn t drain when POWER OFF switch is pressed 1 Drain solenoid clogged Remove obstruction 2 Defective POWER OFF switch Replace 3 Defective motor or motor start relay Replace 4 Defective drain solenoid Replace 5 Defective timer Replace Problem No indication of pressure 1 Water turned off Turn water on 2 1 4 test cock ball valve is closed Open the ball valve JPX 300NSU Technical Manual 7610 00...

Page 21: ...15 SECTION 5 SERVICE PROCEDURES ...

Page 22: ...s estimated that it will take 1 person twenty min utes to perform this task not including all of the items indicat ed in the section entitled PREPARATION IMPORTANT NOTES 1 Read these instructions thoroughly before attempt ing this maintenance evolution Become familiar with the parts and what actions need to be taken This will save time in the long run 2 The procedures demonstrated in this manual a...

Page 23: ...ke the new coil and attach the conduit reinstall tighten the conduit nut and pull the wires through so that you will be able to wire the valve back up 9 Reconnect the wires from the conduit to the wires from the solenoid as they had been connected previously Ensure that the wire nuts are on tight 10 Slide the coil wire cover back on taking care not to dam age the wires 11 If you are done performin...

Page 24: ...is recommended that the entire valve should be replaced These instructions do not provide information on replacing the solenoid valve 16 Note Even though an O ring may not appear damaged it is a good idea to go ahead and replace it if you have a new one This will help ensure that your valve remains leak free in the future 17 Remove the diaphragm retainer and then the diaphragm itself Many problems...

Page 25: ...eversing the steps needed to take it apart Replace defective replacement parts with new parts from ordered kits Ensure that components are sufficiently tightened to prevent leakage AFTER MAINTENANCE ACTIONS Reconnect the incoming water if disconnected and turn on Then restore power to the unit Run the unit for at least 10 minutes to ensure there are no leaks If any problems arise please contact Ja...

Page 26: ...ad screwdriver 2 Needle nose pliers TIME REQUIRED It is estimated that it will take 1 person twenty min utes to perform this task not including all of the items indicat ed in the section entitled PREPARATION IMPORTANT NOTES 1 Read these instructions thoroughly before attempt ing this maintenance evolution Become familiar with the parts and what actions need to be taken This will save time in the l...

Page 27: ...d examine it With a soft towel remove any grit grime or debris that may have gotten caught in the threads of both the cap retainer or the vacuum breaker body There is an O ring that should be present on the cap retainer as well Regardless of the condition of the plunger this O ring should be replaced once the cap is removed Using a small flathead screwdriver remove the old O ring 10 With the new O...

Page 28: ...22 SECTION 6 PARTS SECTION ...

Page 29: ...yco 5975 210 08 00 11 1 Wire Lug 5940 200 76 00 12 1 Ground Decal 9905 011 41 82 13 1 Overload Contactor 5945 111 60 08 14 1 ACME Transformer 480 to 120 Volt 5950 011 50 70 15 1 Terminal Board 1 4 QC 5940 021 94 85 16 2 Screw 6 32 x 3 8 Sems with External Tooth Lockwasher 5305 002 25 91 17 1 Locknut 10 24 S S Hex with Nylon Insert 5310 373 01 00 18 1 Timer 6 Cam 5945 121 44 69 19 1 Decal Timer 990...

Page 30: ...anel 5700 002 75 75 3 1 Switch Yellow Reed 5930 011 47 50 4 1 Decal High Limit 9905 002 75 98 5 1 Switch Prime 5930 002 68 27 6 1 Light Amber 5945 504 06 18 7 2 Switch Button DPDT 5930 002 43 44 8 2 Light Red 5945 504 07 18 9 2 Light Green 5945 504 08 18 JPX 300NSU Technical Manual 7610 002 75 96 Rev E 08 16 2005 9 1 6 9 4 8 8 2 7 7 5 3 ...

Page 31: ... 1 Decal Control Panel 5700 002 75 75 3 1 Switch Yellow Reed 5930 011 47 50 4 1 Decal High Limit 9905 002 75 98 5 1 Switch Prime 5930 003 05 30 6 1 Light Amber 5945 504 06 18 7 2 Switch ON OFF 5930 003 05 29 8 2 Light Red 5945 504 07 18 9 2 Light Green 5945 504 08 18 JPX 300NSU Technical Manual 7610 002 75 96 Rev E 08 16 2005 9 1 6 9 4 8 8 3 7 7 5 2 ...

Page 32: ...5 002 68 95 Fitting 1 4 4730 011 95 42 Pressure Hose Assembly 5700 002 72 17 Nylon Loop 4320 002 71 22 Locknut 6 32 Hex S S with Nylon Insert 5310 373 03 00 Hose 5 16 x 12 Long 5700 011 86 45 Fitting 1 4 4730 011 95 41 Kick Panel Weldment 5700 002 71 19 Gauge Pressure 0 100 PSI 6680 011 86 42 Thermometer Rinse 120 6685 111 68 49 Decal Rinse 9905 002 68 96 ...

Page 33: ...8 16 2005 Union 1 2 C to C 4730 412 05 01 Nipple 1 2 Close 4730 207 15 00 Valve Solenoid 1 2 220 volt 4810 100 09 18 Tee 1 2 x 1 2 x 1 4 4730 411 25 01 Adapter 1 2 Ftg x Male 4730 401 03 01 Copper Tube 1 2 x 1 1 4 5700 000 38 78 Adapter 1 2 Ftg x Male 4730 011 59 53 Y Strainer 1 2 4730 217 01 10 ...

Page 34: ...machine 4730 209 01 00 Injector Weldment 5700 031 41 83 Fitting Outlet Elbow 4820 111 51 18 Nut P P for 1 8 Tubing 4730 011 59 45 Valve Check 4820 111 51 14 Adapter 1 2 Ftg x Male 4730 401 03 01 Copper Tube 1 2 x 20 1 4 5700 031 41 83 Elbow 1 2 NPT 90B Brass 4730 011 42 96 Nipple 1 2 Close Brass 4730 207 15 00 Pipe Clamp 5700 011 38 62 Secure with Locknut 1 4 20 S S Hex with Nylon Insert 5310 374 ...

Page 35: ...16 2005 Rinse Stiffener Weldment 5700 002 59 79 Locknut 1 4 20 S S Hex with Nylon Insert 5310 374 01 00 Gasket Manifold 5330 002 34 77 Gasket Rinse 330 111 42 81 Rinse Hub Weldment 5700 021 38 31 Locknut 1 4 20 S S Hex with Nylon Insert 5310 374 01 00 Hose 3 4 x 8 1 2 5700 011 38 83 Clamp Hose 4730 719 06 09 ...

Page 36: ... Valve Bonnet Spring Plunger Kit 6401 003 07 40 Diaphragm Retainer Screen Retainer Mesh Screen Valve Body Complete 110 Volt Solenoid Valve Assembly 4810 100 09 18 Coil Housing only 6401 003 07 44 Complete Vacuum Breaker Assembly 4820 003 06 13 Components of Repair Kit 6401 003 06 23 Cap Screw Data Plate Cap O Ring Plunger Body Cap Retainer Diaphragm O ring Kit 6401 003 07 41 ...

Page 37: ...7 1 Grommet Heyco 5975 210 03 00 8 1 Cam Weldment 5700 011 65 78 9 1 Plate Dielectric 5700 011 65 80 10 1 Switch Micro 5930 011 65 81 11 2 Screw 4 40 x 5 8 5305 011 49 70 12 1 Motor Chemical Feeder Pump 14 RPM 4320 011 79 34 13 1 Terminal Ground Spade 5940 011 75 70 14 4 Locknut 10 32 S S Hex with Nylon Insert 5310 373 02 00 15 1 Valve Cover 5700 031 65 70 16 4 Screw 10 32 x 3 8 Truss Head 5305 17...

Page 38: ...Diverter Valve Assembly 5700 002 23 21 5 1 Clamp 11 16 to 1 1 4 4730 002 18 40 6 1 Hose 1 I D x 10 Feet Long 5700 011 39 72 7 2 Locknut 1 4 20 S S Hex with Nylon Insert 5310 374 01 00 8 2 Bolt 1 4 20 x 1 2 Long 5305 274 02 00 9 1 Bracket Valve Mounting with Tricnuts 5700 021 66 37 10 2 Washer 10 External Tooth Star 5311 273 02 00 JPX 300NSU Technical Manual 7610 002 75 96 Rev E 08 16 2005 1 2 5 6 ...

Page 39: ...7 5 1 Hose 1 1 4 x 2 1 4 Reinforced 5700 011 44 48 6 1 Motor Wash 460V 3 4 HP 6105 121 60 06 7 1 Hose Bottom Manifold Pump 5700 001 22 92 8 1 Gasket Suction Adapter 5330 021 40 87 9 1 Casting Suction Adapter 9515 031 39 86 10 4 Washer S S 1 4 20 I D 5311 174 01 00 11 6 Locknut 1 4 20 S S 5310 374 01 00 12 4 Washer 1 4 I D x 3 4 O D S S 5311 011 76 30 JPX 300NSU Technical Manual 7610 002 75 96 Rev ...

Page 40: ...40 50 Thermostat Mounting Bracket 5700 011 81 64 The thermostat attaches with 2 Screw 6 32 x 3 8 Sems w External Tooth Washer 5305 002 25 91 Rinse Tank Weldment 5700 002 71 00 Secured with Locknut 1 4 20 S S Hex with Nylon Insert 5310 374 01 00 Gasket Heater 5330 011 47 79 Fitting 1 4 Imperial Brass 5310 924 02 05 Nut 5 16 18 S S Hex 5310 275 01 00 Lockwasher 5 16 Split 5311 275 01 00 The JPX 300N...

Page 41: ... 5340 011 44 58 7 2 Door Lever Weldment 5700 002 72 97 8 1 Lever Door Left Hand 5700 002 71 64 9 2 Magnet Reed Switch 5930 002 68 53 10 6 Nut 8 32 Hex Locking 5310 272 02 00 11 8 Screw Cross Recessed Flat Countersunk Tapping 5305 002 71 12 12 2 Bolt 1 4 20 x 1 2 Long 5305 274 02 00 13 2 Washer 1 4 I D S S 5311 174 01 00 14 1 Lever Door Right Hand 5700 002 72 96 JPX 300NSU Technical Manual 7610 002...

Page 42: ...m 5330 011 42 10 Rinse Arm 5700 031 38 30 Plug Rinse Arm 4730 609 04 00 Bushing Rinse Head 5700 021 33 84 Bearing Rinse Head 3120 002 72 24 Ring Retaining 5340 112 01 11 Wash Arm Weldment 5700 021 46 58 Bearing Assembly 5700 021 35 97 O ring Not Shown 5330 002 60 69 Wash Arm Assembly 5700 021 39 23 Rinse Arm Assembly 5700 031 39 21 ...

Page 43: ... 08 16 2005 Rail Right Rack 5700 002 59 94 Rail Left Rack 5700 002 59 93 Back Panel 5700 031 44 33 Strainer Spacer 5700 002 70 60 Attaches with Nut Nylon Wing 1 4 20 5310 994 01 00 Strainer Weldment 5700 031 35 81 Left Hinge Plate Weldment 5700 002 59 39 Right Hinge Plate Weldment 5700 002 59 40 ...

Page 44: ...2005 Right Frame Weldment 5700 002 59 36 Left Frame Weldment 5700 002 59 35 The swivel feet used on the unit may be ordered using 5340 002 71 71 Right Dress Panel 5700 002 71 07 Left Dress Panel 5700 002 71 03 Top Panel 5700 002 71 10 The Panels are secured with 10 32 x 1 2 Truss Head Screws 5305 011 39 36 ...

Page 45: ...SECTION 7 ELECTRICAL DIAGRAMS 39 ...

Page 46: ...40 SECTION 7 ELECTRICAL DIAGRAMS JPX 300NSU 460 VOLT 60 HERTZ THREE PHASE JPX 300NSU Technical Manual 7610 002 75 96 Rev E 08 16 2005 ...

Page 47: ...41 SECTION 7 ELECTRICAL DIAGRAMS JPX 300NSU 460 VOLT 60 HERTZ THREE PHASE WITH STAINLESS STEEL SWITCHES JPX 300NSU Technical Manual 7610 002 75 96 Rev E 08 16 2005 ...