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-Warranty Policy
-Operating Instructions
-Description of Components
-Troubleshooting Guide
MANUFACTURING OPERATIONS & WORLD HEADQUARTERS
January 8, 1999
DISHWASHER MODEL 24P-NSU
440 VOLT - 60 HERTZ - 3 PHASE
HIGH TEMPERATURE SANITIZING
UNDERCOUNTER UNIT
SERVICE MANUAL
DGSC MANUAL NUMBER:
S6161 -A1 -FSC010-17228
Highway 25E, P.O. Box1060
Barbourville, KY 40906
SPECIFICATION:
INCLUDES:
-Installation Requirements
-Basic Functions of Dishwasher
-Maintenance and Care
-Wiring Diagrams
888/800-JMSC
Fax: 606/523-9196
7610-100-37-00 Rev B
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Table of Contents
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Summary of Contents for Jackson 24P-NSU
- Page 1 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...
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Page 2: Table Of Contents
TABLE OF CONTENTS SPECIFICATIONS INSTALLATION INSTRUCTIONS SAFETY PRECAUTIONS UNCRATING INSTALLATION DECK HARDWARE FOR SECURING DISHMACHINE STRAINER INSTALLATION WASH HEAD AND RINSE SPRAY ARM INSTALLATION OPERATION OPERATING INSTRUCTIONS DETERGENT RECOMMENDATIONS CARE AND CLEANING GENERAL CLEANING WASH HEAD AND RINSE ARM CLEANING FUNCTIONAL INFORMATION 9-11 SOLID STATE TIMER... -
Page 3: Specifications
SPECIFICATIONS OPERATING CAPACITY Racks per hour Dishes per hour Glasses per hour OPERATING CYCLE Wash time-seconds Rinse time—seconds Total Cycle-seconds WASH TANK CAPACITY (Gallons) 5.65 RINSE TANK CAPACITY (Gallons) WASH PUMP CAPACITY (GPM) WATER REQUIREMENTS Inlet Temperature F. Gallons per hour 52.3 Flow pressure, PSI Flow, gallons per minute... -
Page 4: Installation Instructions
INSTALLATION INSTRUCTIONS SAFETY PRECAUTIONS Never try to repair or replace any part of the dishwasher unless it is specifically recommended in this manual. All servicing should be done by a authorized service technician. There are no user serviceable parts. Safety precautions in this manual are preceded by the words WARNING or CAUTION and are very important. -
Page 5: Installation
INSTALLATION INSTRUCTIONS DECK MOUNTING OF DISHMACHINE The dishmachine must be secured in place using the deck mounting tracks and caps provided with machine. REFER TO FIGURE 1 STEPS : Install the (4) adjustable feet provided into screw holes where shipping bolts were removed earlier. - Page 6 FIGURE 1 INSTALLATION OF DECK HARDWARE TO SECURE DISHMACHINE...
- Page 7 INSTALLATION INSTRUCTIONS STEAM EQUALIZING VENT The steam equalizing vent is located on the back upper left corner of the dishmachine. The vent should not be blocked or prevented from venting steam off from inside of unit. Under-counter machines installed inside of cabinet are not excluded from this requirement.
- Page 8 FIGURE 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 INSTALLATION OF WASH SPRAY HEAD AND RINSE SPRAY ASSEMBLIES Installation of Wash Head and Rinse Arm Assemblies: (Items disassembled for shipment) 1. Line holes up on wash head assembly to match slots in pump housing. 2. Insert wash head assembly down into upper pump housing as far as possible. 3.
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Page 10: Operation
GENERAL INSTRUCTIONS (OPERATION) Note: Read the following instructions carefully. Proper operation of your Jackson Dishwasher will assure clean and sanitized glasses and dishes, at optimum efficiency. Dish Preparation: 1. Scrape dishes thoroughly. 2. Pre-wash dishes by soaking or with hose. -
Page 11: General Instructions
GENERAL INSTRUCTIONS (PREVENTIVE MAINTENANCE) (THE FOLLOWING IS TO BE PERFORMED AS NEEDED.) Note: Read the following instructions carefully. Proper maintenance of your Jackson Dishwasher will ensure optimum service with a minimum of down time. 1. Remove all lime and corrosion deposits. - Page 12 REMOVAL of RINSE and/or WASH HEAD ASSEMBLIES (GENERAL INSTRUCTIONS) 1. Drain unit by placing switch in the off/drain position. 2. Open the door and allow the unit a few minutes to cool off. 3. Remove the pin holding the rinse feed pipe. Pull the feed pipe out of the nipple and lay it to one side. 4.
- Page 13 TIMER for MODEL 24 DISHWASHERS General Description: The timer is a solid state, 4 channel CMOS device with a 120V, 50 or 60 cycle, 1 amp rating. AH components are environmentally encapsulated and quick connect terminals are marked (or corresponding wires.
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Page 14: Water Level Control
WATER LEVEL CONTROL AS USED ON 24 P/N 0204400 (110V, 60 cycle) Function: The water level control device is utilized on this machine to automatically control the filling of the wash tank and the activation of the wash tank heater. Note: All electrical checks should be made by qualified service personnel. - Page 15 FUNCTION of SWITCHES, CIRCUIT BREAKER and INDICATING LIGHTS This switch serves as the main control for the unit. When pressed into the 'on' position, it On/Fill activates the heater controls, the automatic fill and readies the unit for the wash cycle. Off/Drain When turned off, all power is off.
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Page 16: Thermostat Adjustment
THERMOSTAT ADJUSTMENT The thermostat can be adjusted by turning screw #1 (see picture) on the thermostat control box cover. (Remember the present setting. In case the problems are elsewhere In the control circuit.) A CW rotation is used to obtain a lower temperature setting and a CCW rotation is used to obtain a higher temperature setting. A 1/4 turn of screw #1 changes the temperature approximately 15 F. -
Page 17: Service Instructions
SERVICE INSTRUCTIONS (INCOMING WATER SOLENOID VALVE) P/N 1435 (60 CYCLE) P/N 1440 (50 CYCLE) SOLENOID VALVE P/N 1420 (110V, used on 60 cycle machine P/N 1425 (220V, used on 50 cycle machine) To take the valve apart: Disassembly — These valves may be taken apart by unscrewing the bonnet and the enclosing tube assembly from the valve body assembly. -
Page 18: Troubleshooting
TROUBLE SHOOTING GUIDE SOLUTION Level machine. CAUSE Machine not level. PROBLEM Water overflow out bottom of front Slight tilt to rear door when wash pump is operating. Overflow drain clogged. Remove obstruction, checking inside of machine first. Solenoid valve not closing at end of fill or rinse Water level in machine's wash reservoir too high. -
Page 19: Troubleshooting
TROUBLE SHOOTING GUIDE PROBLEM CAUSE SOLUTION Rinse doesn't operate on Micro switch defective Replace. automatic during timed cycle (this is the micro switch (but does operate on manual furthest from the timer motor rinse/fill operation). on the timer assembly). Rinse fill switch defective Replace. -
Page 20: Trouble Shooting Guide
TROUBLE SHOOTING GUIDE PROBLEM CAUSE SOLUTION Heater switch defective. Replace. Water level protection Replace. control defective. Heater element defective. Replace. Wires loose or burned off. Retighten or Replace. Rinse water not at required Thermometer's defective. Replace. temperature range. Heater switch defective. See page on heater system checkout. -
Page 21: Pump And Motor Assembly
PUMP AND MOTOR ASSEMBLY P/N 01080100 PUMP AND MOTOR ASSEMBLY ITEM KIT # DESCRIPTION MOTOR 0108500 MOUNTING PLATE 0108500 STATIONARY SEAL ASSEMBLY 0108500 SHIM WASHERS 0108500 ROTATING CERAMIC 0108500 PROPELLER FOR DRAIN PUMP 0108500 "0" RING SEAL 0108500 DRAIN INLET PLATE 0109500 SUCTION ADAPTER PLATE 0109000 IMPELLER FOR WASH PUMP 0108500 TRUSS HEAD SCREW... - Page 22 RINSE TANK ITEM DESCRIPTION 0005700 BOOSTER TANK 0060001 BUS BAR BOOSTER HEATER ELEMENT THERMOSTAT COUPLING 0060002 HEATER ELEMENT GASKET WATER INLET THERMOMETER COUPLING WATER OUTLET WASH ASSEMBLY ITEM P/N DESCRIPTION WASH TANK RING ELEMENT 0125200 RINSE ASSEMBLY, LOWER 0188900 WASH ASSEMBLY WASH RESERVOIR HOLES FOR WASH TANK ELEMENT WASH OR RINSE...
- Page 23 BOOSTER TANK HEATER ELEMENT P/N 2. ELEMENT GASKET P/N 0060002 THERMOSTATIC OVERLOAD P/N 0169601...
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Page 24: Cycle
VACUUM BREAKER P/N 0184101 PAN STRAINER P/N 0153100 P/N 0184200 ITEM DESCRIPTION 0153600 “Y” STRAINER REMOVABLE FILTER 0185000 VALVE FOR HEALTH INSPECTOR 0142100 SOLENOID VALVE ½”, (110V, used on 60 cycle machine) PIPE UNION... - Page 25 RIGHT SIDE VIEW ITEM DESCRIPTION 0184101 VACUUM BREAKER ASSEMBLY 0125100 RINSE ASSEMBLY, UPPER 0125200 RINSE ASSEMBLY, LOWER 0004000 SIDE FRAME & BRACE, RIGHT HAND 0188900 WASH ASSEMBLY 0005700 BOOSTER TANK 0083400 ADJUSTING FEET 0054902 KICK PANEL 0052600 FRONT DOOR 0052700 DOOR HANDLE ASSEMBLY 0054700 OPTIONAL TOP...
- Page 26 BACK VIEW ITEM DESCRIPTION 1541 VACUUM BREAKER ASSEMBLY 1051 PUMP & MOTOR ASSEMBLY DRAIN — GRAVITY FEED BOOSTER TANK EQUALIZING VENT INCOMING WATER CONNECTION TRANSFORMER BOX W/LID TRANSFORMER PLATFORM...
- Page 27 LEFT SIDE VIEW ITEM DESCRIPTION 0184101 VACUUM BREAKER ASSEMBLY 0052700 DOOR HANDLE ASSEMBLY 0052600 FRONT DOOR. OUTER 0054902 KICK PANEL INCOMING WATER CONNECTION 0083400 ADJUSTING FEET 0108100 PUMP & MOTOR ASSEMBLY, (110V, 60 cycle) DRAIN — GRAVITY FEED 0142400 DRAIN SOLENOID VALVE, (110V, used on 60 cycle machine) 0004001 SIDE FRAME &...
- Page 28 WASH HEAD ASSEMBLY P/N 0188900 ITEM DESCRIPTION ITEM DESCRIPTION 0186500 WASH HEAD CAP WITH RACE 0187500 WASH HEAD CENTER SHAFT 0187000 WASH HEAD CAP SET SCREW 0193601 WASH HEAD FIXED RACE 0194000 WASH HEAD BEARING 1/4" S/S 0109600 UPPER PUMP HOUSING 0189000 WASH HEAD...
- Page 29 DRAIN VALVE P/N 0142400 (110V, used in 60 cycle machine) PANEL ITEM DESCRIPTION 0169100 THERMOMETERS. WASH AND RINSE 0170018 THERMOSTAT, RINSE 0170023 THERMOSTAT, WASH DETERGENT FUSE BLOCK 0155600 POWER SWITCH 0083518 POWER LIGHT 0083507 CYCLE LIGHT 0159700 MANUAL/AUTO SWITCH 0083518 HEATER RESET LIGHT 0121300 MOTOR RELAY (R-3)
- Page 30 COMPLETE PARTS LIST for MODEL 24 0005700 Booster Tank(stripped) 0051700 Door Latch and Switch Bracket 0052300 Door Gasket 0052400 Door Gasket, Clamp Assembly 0052600 Door Front, Outer only (stripped) 0052700 Door Handle 0053400 Drain Hose-Pump to Solenoid Valve, short 0053500 Drain Hose Clamps 0053600 Drain Hose-Solenoid Valve to Drain, long...
- Page 31 COMPLETE PARTS LIST for MODEL 24 0165600 Terminal Board 3-pole 0169100 Thermometer, 36” Cap, Rinse 0169601 Thermostatic Overload, Heater 0170018 Thermostat Rinse, 180º, fixed 0170023 Thermostat, Wash, 150º, fixed 0174400 Timer Solid State 0177500 Timer Micro Switches, Plastic Module-Type 0184101 Vacuum Breaker, ½”...