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

Hot water sanitizing undercounter dishmachine
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HOT WATER SANITIZING UNDERCOUNTER DISHMACHINE
TECHNICAL MANUAL
FOR JACKSON MODEL:
JPX-300NSU
An
Company
Jackson MSC Inc.
P.O. Box 1060
Barbourville, KY. 40906
(606) 523-9795
August 16, 2005
Fax: (606) 523-9196
P/N 7610-002-75-96 (Revision E)
www.jacksonmsc.com

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Summary of Contents for Jackson Hot Water Sanitizing Undercounter Dishmachines JPX-300NSU

  • Page 1 HOT WATER SANITIZING UNDERCOUNTER DISHMACHINE TECHNICAL MANUAL FOR JACKSON MODEL: JPX-300NSU Company Jackson MSC Inc. P.O. Box 1060 Barbourville, KY. 40906 (606) 523-9795 August 16, 2005 Fax: (606) 523-9196 P/N 7610-002-75-96 (Revision E) www.jacksonmsc.com...
  • Page 2 The warranty registration card supplied with the machine must be returned to Jackson MSC within 30 days to validate the warranty. REPLACEMENT PARTS WARRANTY Jackson replacement parts are warranted for a period of 90 days from the date of installation or 180 days from the date of shipment from the factory, which ever occurs first.
  • Page 3 REVISION MADE REVISION DATE 03-27-03 11-17-03 04-29-04 04-18-05 08-16-05 APPLICABLE 6698 Release to production Updated part numbers. Added 2nd Enodis logo to cover. Removed title “ Installation Manual for Export Units” from cover. 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. 6964, 6988 Changed thermostat bracket from 5700-011-73-72 to 5700-011- 7006, 7383...
  • Page 4 NOMENCLATURE FOR THE MODEL COVERED IN THIS MANUAL JPX-300NSU JPX-300NSU - Hot water sanitizing, electrically-heated dishmachine, Model: Serial No.: Installation Date: Service Rep. Name: Phone No.: JPX-300NSU Technical Manual 7610-002-75-96 Rev. E (08/16/2005)

  • Page 5: Table Of Contents

    SECTION DESCRIPTION SPECIFICATION INFORMATION Specifications Dimensions INSTALLATION & OPERATION INSTRUCTIONS Installation Instructions Electrical Installation Instructions Deck Mounting of Dishmachine Detergent Control Operation Instructions III. PREVENTATIVE MAINTENANCE TROUBLESHOOTING SERVICE PROCEDURES Rinse Solenoid Valve Repair Parts Kit Vacuum Breaker Repair Parts Kit PARTS SECTION Electric Panel Assembly Switch Panel Assembly...
  • Page 6 THIS PAGE IS INTENTIONALLY LEFT BLANK...

  • Page 7: Section 1: Specification Information

    SECTION 1: SPECIFICATION INFORMATION...

  • Page 8: Electrical Requirements

    SECTION 1: SPECIFICATION INFORMATION PERFORMANCE/CAPABILITIES OPERATING CAPACITY (RACKS/HOUR) RACKS PER HOUR DISHES PER HOUR GLASSES PER HOUR OPERATING CYCLE (SECONDS) WASH TIME DRAIN TIME RINSE TIME TOTAL CYCLE TIME (MINUTES) 5 MINUTE TIMER OPERATING CYCLE (SECONDS) WASH TIME DRAIN TIME RINSE TIME TOTAL CYCLE TIME (MINUTES) TANK CAPACITY (GALLONS)

  • Page 9: Dimensions

    DIMENSIONS LEGEND A - Water Inlet 1/2” ID Female Pipe Thread, 2 1/2” B - Chemical Feeder Connection C - Electrical Connection. B - Rinse Additive Connection Height (minimum): Height (maximum): Width: Depth: Wall Clearance (minimum): JPX-300NSU Technical Manual 7610-002-75-96 Rev. E (08/16/2005)) SECTION 1: SPECIFICATION INFORMATION Undercounters DIMENSIONS...

  • Page 10: Section 2: Installation/Operation Instructions

    SECTION 2: INSTALLATION/OPERATION INSTRUCTIONS...

  • Page 11: Installation & Operation Instructions

    UNPACKING THE DISHMACHINE: Once the machine has been removed from the container, ensure that there are no miss- ing parts from the machine. This may not be obvious at first. If it is discovered that an item is missing, contact Jackson imme- diately to have the missing item shipped to you.

  • Page 12: Electrical Installation Instructions

    SECTION 2: INSTALLATION & OPERATION INSTRUCTIONS ELECTRICAL INSTALLATION INSTRUCTIONS ELECTRICAL POWER CONNECTION: Electrical and grounding connections must comply with the applicable portions of the National Electrical Code ANSI/NFPA 70 (latest edition) and/or other electrical codes. Disconnect electrical power supply and place a tag at the disconnect switch to indicate that you are working on the circuit. The dishmachine data plate is located on the front of the machine.

  • Page 13: Deck Mounting Of Dishmachine

    EXISTING WALL TYPICAL LOCATION OF FOOT LEVELER FRONT PANEL OF DISHWASHER TYPICAL LOCATION OF FOOT LEVELER JPX-300NSU Technical Manual 7610-002-75-96 Rev. E (08/16/2005)) SECTION 2: INSTALLATION & OPERATION INSTRUCTIONS...

  • Page 14: Detergent Control

    If the water cannot get hot enough, your results may not be satisfactory. This is why Jackson recommends that if you have installed the machine in an area with hard water, that you also install some type of water treatment equipment to help remove the dissolved solids from the water before it gets to the dishmachine.

  • Page 15: Operation Instructions

    OPERATION INSTRUCTIONS PREPARATION: Before proceeding with the start-up of the unit, verify the following: 1. The strainer is in place and is clean. 2. That the wash and rinse arms are screwed securely into place and that their endcaps are tight. The wash and rinse arms should rotate freely.

  • Page 16: Section 3: Preventative Maintenance

    SECTION 3: PREVENTATIVE MAINTENANCE...
  • Page 17 Always ensure that strainers are placed back in the machine before operation and that they lay flat in the tub. You may wish to contact Jackson in order to learn more about how your water hardness will effect the performance of your machine.

  • Page 18: Section 4: Troubleshooting

    SECTION 4: TROUBLESHOOTING...

  • Page 19: Section 4: Troubleshooting Section

    COMMON PROBLEMS WARNING: Inspection, testing and repair of electrical equipment should be performed only by qualified service personnel. Certain procedures in this section require electrical tests or measurements while power is applied to the machine. Exercise extreme caution at all times. If test points are not easily accessible, disconnect power, attach test equipment and reapply power to test.
  • Page 20 SECTION 4: TROUBLESHOOTING SECTION COMMON PROBLEMS Problem: Rinse water not at required temperature range. 1. Thermometer is defective. Replace. 2. Thermostat is defective. Adjust the thermostat. Replace if necessary. Problem: Machine doesn’t drain when “POWER OFF” switch is pressed. 1. Drain solenoid clogged. Remove obstruction. 2.

  • Page 21: Section 5: Service Procedures

    SECTION 5: SERVICE PROCEDURES...

  • Page 22: Tools Required

    Jackson offers repair kits for replacing some of the wear items associated with solenoid valves which will allow you to save money in that replacement of these parts can take place without removing the solenoid valve from the plumbing assembly.
  • Page 23 RINSE SOLENOID VALVE REPAIR PARTS KIT (CONTINUED) Prying open the coil wire cover 4. When replacing the coil, ensure that when removing the coil wire cover that care is taken not to damage the wires inside. Using the medium flathead screwdriver, gently use it to open the cover enough to where it could be pulled off.
  • Page 24 SECTION 5: SERVICE PROCEDURES Removing the valve bonnet 13. Slowly remove the valve bonnet. Note: The spring for the plunger is located directly under the bonnet and may come free if you are not careful. Remove the plunger, spring and valve bonnet and place to the side.

  • Page 25: Special Parts

    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 Jackson. SPECIAL PARTS Solenoid Valve Plunger Kit...

  • Page 26: Vacuum Breaker Repair Parts Kit

    Jackson offers repair kits for replacing some of the wear items associated with vacuum breakers which will allow you to save money in that replacement of these parts can take place without removing the vacuum breaker from the plumb- ing assembly.
  • Page 27 Then restore power to the unit. Run the unit for at least 10 minutes to ensure there are no leaks. If any prob- lems arise please contact Jackson. SPECIAL PARTS To order the kit with components and instructions: Components of 1/2”...

  • Page 28: Section 6: Parts Section

    SECTION 6: PARTS SECTION...

  • Page 29: Electric Panel Assembly

    ELECTRICAL PANEL ASSEMBLY 14, 5 ITEM DESCRIPTION Bushing, Snap Track, Terminal 6 7/8" End Clamp Contactor,Mini Screw, 10-32 x 3/8 Phillips Truss Round Head Track, Terminal 4 3/4" Decal, L1, L2, L3 Block, Snap-in Terminal Electrical Control Panel Weldment Grommet, 1 1/8" Heyco Wire Lug Ground Decal Overload, Contactor...

  • Page 30: Switch Panel Assembly

    SECTION 6: PARTS SECTION ITEM DESCRIPTION Switch Panel Weldment Decal, Control Panel Switch, Yellow Reed Decal, High Limit Switch, Prime Light, Amber Switch, Button DPDT Light, Red Light, Green SWITCH PANEL ASSEMBLY Mfg. No. 5700-002-71-11 5700-002-75-75 5930-011-47-50 9905-002-75-98 5930-002-68-27 5945-504-06-18 5930-002-43-44 5945-504-07-18 5945-504-08-18...

  • Page 31: Switch Panel Assembly (Stainless Steel Switches)

    SWITCH PANEL ASSEMBLY (WITH STAINLESS STEEL SWITCHES) ITEM DESCRIPTION Switch Panel Weldment Decal, Control Panel Switch, Yellow Reed Decal, High Limit Switch, Prime Light, Amber Switch, ON/OFF Light, Red Light, Green JPX-300NSU Technical Manual 7610-002-75-96 Rev. E (08/16/2005)) SECTION 6: PARTS SECTION Mfg.

  • Page 32: Kick Panel Assembly

    SECTION 6: PARTS SECTION Gauge, Pressure 0-100 PSI 6680-011-86-42 Thermometer, Rinse 120” 6685-111-68-49 Decal, Rinse 9905-002-68-96 Nylon Loop 4320-002-71-22 Locknut, 6-32 Hex S/S with Nylon Insert 5310-373-03-00 Thermometer, Wash 48” 6685-111-68-48 Decal, Wash 9905-002-68-95 Fitting, 1/4” 4730-011-95-42 Hose, 5/16” x 12” Long 5700-011-86-45 KICK PANEL ASSEMBLY Kick Panel Weldment...

  • Page 33: Incoming Plumbing Assembly

    PLUMBING ASSEMBLY Adapter, 1/2" Ftg. x Male 4730-011-59-53 Union, 1/2" C to C 4730-412-05-01 Tee, 1/2 x 1/2 x 1/4 4730-411-25-01 JPX-300NSU Technical Manual 7610-002-75-96 Rev. E (08/16/2005)) Copper Tube, 1/2" x 1 1/4" 5700-000-38-78 Adapter, 1/2" Ftg. x Male 4730-401-03-01 Valve, Solenoid 1/2"...
  • Page 34 SECTION 6: PARTS SECTION Plug, 1/4” Brass 2 per machine 4730-209-01-00 Fitting, Outlet Elbow 4820-111-51-18 Nut, P/P for 1/8” Tubing 4730-011-59-45 Valve, Check 4820-111-51-14 Copper Tube, 1/2” x 20 1/4” Pipe, Clamp 5700-011-38-62 Secure with: Locknut, 1/4”-20 S/S Hex with Nylon Insert 5310-374-01-00 Injector Weldment 5700-031-41-83...
  • Page 35 PLUMBING ASSEMBLY (CONTINUED) Locknut, 1/4”-20 S/S Hex with Nylon Insert 5310-374-01-00 Gasket, Rinse 330-111-42-81 Locknut, 1/4”-20 S/S Hex with Nylon Insert 5310-374-01-00 JPX-300NSU Technical Manual 7610-002-75-96 Rev. E (08/16/2005)) SECTION 6: PARTS SECTION Clamp, Hose 4730-719-06-09 Hose, 3/4” x 8 1/2” 5700-011-38-83 Gasket, Manifold 5330-002-34-77...

  • Page 36: 1/2" Solenoid Valve & 1/2" Npt Vacuum Breaker Repair Parts Kits

    SECTION 6: PARTS SECTION Data Plate Valve Bonnet Spring & Plunger Kit 6401-003-07-40 Diaphragm Diaphragm & O-ring Kit Retainer 6401-003-07-41 Screen Retainer Mesh Screen Valve Body Complete 110 Volt Solenoid Valve Assembly 4810-100-09-18 Coil & Housing only 6401-003-07-44 1/2” SOLENOID VALVE & 1/2” NPT VACUUM BREAKER REPAIR PARTS KITS Screw Coil &...

  • Page 37: Drain Valve Assembly

    DRAIN VALVE ASSEMBLY ITEM DESCRIPTION Valve, With Brackets Hosebarb, 1” x 3/4” NPT Polypropylene Hosebarb, 90B 1” x 3/4” NPT Plate, Motor Mounting Weldment Tricnut, 10-32 AK Fastener, S/S Lockwasher, #10 External Tooth Grommet, Heyco Cam Weldment Plate, Dielectric Switch, Micro Screw, 4-40 x 5/8"...

  • Page 38: Drain Plumbing Assembly

    SECTION 6: PARTS SECTION ITEM DESCRIPTION Clamp, 3/16” to 1 1/2” Hose, Formed Drain Bolt, 10-32 x 1/2” Slotted Truss Head Diverter Valve Assembly Clamp, 11/16” to 1 1/4” Hose, 1” I.D. x 10 Feet Long Locknut, 1/4”-20 S/S Hex with Nylon Insert Bolt, 1/4”-20 x 1/2”...

  • Page 39: Wash Motor To Wash Tub Assembly

    WASH MOTOR TO WASH TUB ASSEMBLY 11 - NOT SHOWN ITEM DESCRIPTION Hub, Discharge Machined Gasket, 2” O.D. x 1 1/2” I.D. x 1/16” Nut, Jam 1 1/2”-12 NPT Hose Clamp, 1 5/16" - 2 1/4" # 28 Hose,1 1/4” x 2 1/4” Reinforced Motor, Wash, 460V, 3/4 HP Hose, Bottom Manifold Pump Gasket, Suction Adapter...

  • Page 40: Rinse Tank & Components

    SECTION 6: PARTS SECTION Secured with: Locknut, 1/4”-20 S/S Hex with Nylon Insert Gasket, Heater 5330-011-47-79 The JPX-300NSU comes supplied with various heaters, depending on the characteristics of the machine. To ensure that you order the correct heater for the model you are servicing, please refer to the following table: Volts Phase Rinse Tank Weldment...

  • Page 41: Door Assembly

    DOOR ASSEMBLY 12, 13 ITEM DESCRIPTION Door Weldment Inner Door Weldment Bearing, Nyliner Standard Flanged Lockwasher, 3/8” S/S Locknut, 3/8”-16 S/S Hex with Nylon Insert Spring, Door Door Lever Weldment Lever, Door, Left Hand Magnet, Reed Switch Nut, 8-32 Hex Locking Screw, Cross Recessed Flat Countersunk Tapping Bolt, 1/4”-20 x 1/2"...

  • Page 42: Rinse Arm & Wash Arm Assemblies

    SECTION 6: PARTS SECTION Bearing, Rinse Head 3120-002-72-24 Bushing, Rinse Head 5700-021-33-84 Ring, Retaining 5340-112-01-11 Wash Arm Assembly 5700-021-39-23 Wash Arm Weldment 5700-021-46-58 RINSE ARM & WASH ARM ASSEMBLIES Rinse Arm Assembly 5700-031-39-21 Plug, Rinse Arm 4730-609-04-00 Rinse Arm 5700-031-38-30 Washer, Rinse Arm 5330-011-42-10 Bearing Assembly...

  • Page 43: Miscellaneous Parts

    MISCELLANEOUS PARTS Back Panel 5700-031-44-33 Strainer Spacer 5700-002-70-60 Attaches with: Nut, Nylon Wing, 1/4”-20 5310-994-01-00 JPX-300NSU Technical Manual 7610-002-75-96 Rev. E (08/16/2005)) Left Hinge Plate Weldment Right Hinge Plate Weldment 5700-002-59-40 Rail, Right Rack 5700-002-59-94 Rail, Left Rack 5700-002-59-93 SECTION 6: PARTS SECTION 5700-002-59-39 Strainer Weldment 5700-031-35-81...

  • Page 44: Frame & Panel Components

    SECTION 6: PARTS SECTION FRAME, & PANEL COMPONENTS Right Frame Weldment Left Frame Weldment 5700-002-59-36 5700-002-59-35 The swivel feet used on the unit may be ordered using 5340-002-71-71 The Panels are secured with 10-32 x 1/2” Truss Head Screws 5305-011-39-36 Top Panel 5700-002-71-10 Left Dress Panel...

  • Page 45: Section 7: Electrical Diagrams

    SECTION 7: ELECTRICAL DIAGRAMS...
  • Page 46 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 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)

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