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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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MANUFACTURERS WARRANTY ONE YEAR LIMITED PARTS & LABOR WARRANTY ALL NEW JACKSON DISHWASHERS ARE WARRANTED TO THE ORIGINAL PURCHASER TO BE FREE FROM DEFECTS IN MATERIAL OR WORKMANSHIP, UNDER NORMAL USE AND OPERATION FOR A PERIOD OF (1) ONE YEAR FROM THE DATE OF PURCHASE, BUT IN NO EVENT TO EXCEED (18) EIGHTEEN MONTHS FROM THE DATE OF SHIPMENT FROM THE FACTORY. Jackson MSC agrees under this warranty to repair or replace , at its discretion, any original
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REVISION MADE APPLICABLE REVISION DETAILS DATE BY ECN A 03-27-03 MAW 6698 Release to production B 11-17-03 MAW N/A Updated part numbers. C 04-29-04 MAW N/A Added 2nd Enodis logo to cover. D 04-18-05 MAW N/A 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 E 08-16-05 MAW Changed thermostat bracket from 5700-011-73-72 to 5700-011- 7006, 7383 81-64. Ch
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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.:
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TABLE OF CONTENTS SECTION DESCRIPTION PAGE I. SPECIFICATION INFORMATION Specifications 2 Dimensions 3 II. INSTALLATION & OPERATION INSTRUCTIONS Installation Instructions 5 Electrical Installation Instructions 6 Deck Mounting of Dishmachine 7 Detergent Control 8 Operation Instructions 9 III. PREVENTATIVE MAINTENANCE 11 IV. TROUBLESHOOTING 13 V. SERVICE PROCEDURES Rinse Solenoid Valve Repair Parts Kit 16 Vacuum Breaker Repair Parts Kit 20 VI. PARTS SECTION Electric Panel Assembly 23 Switch Panel A
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THIS PAGE IS INTENTIONALLY LEFT BLANK iv
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SECTION 1: SPECIFICATION INFORMATION 1
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SECTION 1: SPECIFICATION INFORMATION SPECIFICATIONS ELECTRICAL REQUIREMENTS PERFORMANCE/CAPABILITIES WASH PUMP MOTOR HORSEPOWER 3/4 OPERATING CAPACITY (RACKS/HOUR) RINSE TYPICAL RACKS PER HOUR 30 HEATER TOTAL ELECTRICAL VOLTS PH HZ RATINGS AMPS CIRCUIT DISHES PER HOUR 600 460 3 60 8.2KW @ 460V 11 A 15 AMP 460 3 60 10KW @ 460V 14 A 20 AMP GLASSES PER HOUR 600
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SECTION 1: SPECIFICATION INFORMATION DIMENSIONS LEGEND A - Water Inlet 1/2” ID Female Pipe Thread, 2 1/2” B - Chemical Feeder Connection Undercounters C - Electrical Connection. B - Rinse Additive Connection B C A D C B A DIMENSIONS Height (minimum): 33 1/4” Inside Clearance Height: 14 1/2” Height (maximum): 34 1/4” Inside Clearance 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
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SECTION 2: INSTALLATION/OPERATION INSTRUCTIONS 4
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SECTION 2: INSTALLATION & OPERATION INSTRUCTIONS INSTALLATION INSTRUCTIONS Jackson MSC Inc. provides technical support for all of the dishmachines detailed in this manual. We strongly recommend that you refer to this manual before making a call to our technical support staff. Please have this manual with you when you call so that our staff can refer you, if necessary, to the proper page. Technical support is available from 8:00 a.m. to 5:00 p.m. (EST), Monday through Friday. Technical support is
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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. Refer to the data plat
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SECTION 2: INSTALLATION & OPERATION INSTRUCTIONS INSTALLATION INSTRUCTIONS (CONTINUED) DECK MOUNTING OF THE DISHMACHINE: The dishmachine must be secured in place using the deck mounting tracks and caps provided with machine. Install the (4) adjustable feet provided into screw holes where shipping bolts were removed earli- er. Adjust the level of the dishmachine by screwing the adjustable feet in or out. The front of the machine should be adjusted 1/4” to 1/2” higher than the back. Install the de
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SECTION 2: INSTALLATION & OPERATION INSTRUCTIONS DETERGENT CONTROL Detergent usage and water hardness are two factors that contribute greatly to how efficiently your dishmachine will operate. Using detergent in the proper amount can become, in time, a source of substantial savings. A qualified water treatment spe- cialist can tell you what is needed for maximum efficiency from your detergent, but you should still know some basics so you’ll understand what they are talking about. First, you must
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SECTION 2: INSTALLATION & 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. 3. Verify all chemical levels for machine chemical feeder pumps are correct. POWER UP: To energize the unit, turn on the power at the service breaker. The vol
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SECTION 3: PREVENTATIVE MAINTENANCE 10
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SECTION 3: PREVENTATIVE MAINTENANCE PREVENTATIVE MAINTENANCE The dishmachines covered in this manual are designed to operate with a minimum of interaction with the operator. However, this does not mean that some items will not wear out in time. There are many things that operators can do to prevent catastrophic damage to the dishmachine. One of the major causes of component failure has to do with prescrapping procedures. A dishmachine is not a garbage disposal; any large pieces of mate- rial th
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SECTION 4: TROUBLESHOOTING 12
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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. When replacing electrical parts, disconnect power at source cir
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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. Defective “POWER OFF” switch. Replace. 3. Defective motor or motor start relay. Replace. 4. Defective drain solenoid. Replace. 5. Defective timer. Repla
