Hoshizaki JWE-24000CUA-L-25B, JWE-2400CUA-R-25B service manual Removal and Replacement of Heater

Page 66

J. Removal and Replacement of Heater

When replacing the wash tank heater or the booster tank heater, remove the nuts using a 7/8" crowfoot wrench.

When replacing the booster tank heater, move the clean dishtable above the booster tank before following the procedure below.

1)Use the “ON/OFF” button on the operation panel to turn off the unit, then turn off the dishwasher and booster tank power supplies. Lockout/Tagout to prevent the power supplies from being turned back on inadvertently.

2)Remove the front panel of the dishwasher (wash tank heater). Remove the front panel of the booster tank (booster tank heater).

3)Use the overflow pipe to drain the wash water tank (wash tank heater).

Use the booster tank drain hose to drain the booster tank (booster tank heater).

WARNING! To avoid possible burns, allow the rinse water temperature to fall below 104°F (40°C) before draining.

4)Remove the tank filters and the separator (wash tank heater). Remove the top panel of the booster tank (booster tank heater).

5)Disconnect the heater wiring at the closed end connectors.

6)Use a 7/8" crowfoot wrench to remove the nuts from the heater.

7)Remove the band from the heater inside the tank.

8)Remove the heater.

9)To replace, reverse the above procedure. Note:

1.When rewiring the heater, refer to the wiring diagram to prevent miswiring.

2.The tightening torque for the nuts securing the heater must be no more and no less than 23 lbf•in.

3.To fit the band on the heater inside the tank, first slide the band from the front straight part to the back of the heater, hook one end in the square hole, and secure the other end with the bolt.

Bolt

Band

Heater

* The illustration shows the boster tank heater

Washer

Nut

61

Image 66
Contents Model JWE-2400CUA-L-25B JWE-2400CUA-R-25B Hoshizaki AMERICA, INC Contents Page Property Important Safety InformationSerious injury Indicates important information about the use and careDishwasher Side Booster Side AC Supply Voltage Right to Left Nameplate Rating Dimensions/Connections JWE-2400CUA-L-25BJWE-2400CUA-R-25B II. General Information A. Construction DishwasherBooster Tank Top ViewBox Functions Sequence of OperationIncreasing Rinse Water Flow Rate Page Table Limit Switch Emergency Stop ButtonDrain Flow Chart Dishwasher Sequence Flow Chart JWE-2400CUA-25BChart Auto FillCycle Wash Cycle/Rinse Cycle Control Board and Operation Board Control Board LocationControl Board Layout CN4Control Board Diagram CN1 CN2Water Temperature Lamps Service Menu and Error LogError Codes DisplayReady Lamp Conveyor Speed SwitchService Menu Access Wash LampService Menu Chart Item and Details Setting Range DisplayTemperature Display Error CodesBuzzer Operation Time Display Continuous Wash ModeLow Water Temperature Lock Function Special ModesOFF III. Service Diagnosis Diagnostic ProcedureSwitch Open/Closed Display Mode Page Error Codes Error Code TableError Code Log Error Code Details Auto Fill Error A1Page Booster Tank Auto Fill Error A2 Wash Tank Water Level Error A3 Page Page Wash Tank Thermistor Error H1, H2 Booster Tank Thermistor Error H3, H4 ROM/RAM Error H5 Eeprom Error H6Conveyor Overload or Table Limit Error 1 L1 Conveyor Overload or Table Limit Error 2 L2 Booster Tank Error b1 Booster Tank Water Level Safety Error b2 Service Flow Charts Unit Will Not StartSee III.B. Error Codes Replace Dishes Not Clean Page Inadequate Rinse Dishwasher Will Not Start Wash/Rinse Cycle Dishwasher will not start wash/rinse cycleNo or Inadequate Detergent/Rinse Aid Supply Wash Tank Water BoilsWash Tank Water Not Draining Float Switch Check and Cleaning Float Switch CheckFloat Switch Cleaning Thermistor Check IV. Removal and Replacement of Components Removal and Replacement of Wash Pump MotorsRemoval of Panels Removal and Replacement of Rinse Pump Motor Rinse Pump Motor Page Removal and Replacement of Gear Motor Removal and Replacement of Conveyor Removal and Replacement of Crankshaft Removal and Replacement of Control Box Removal and Replacement of ThermistorRemoval and Replacement of Control Board or Operation Board Control BoardOperation Board Removal and Replacement of Heater Removal and Replacement of Float Switch Removal and Replacement of Thermostat Cleaning and Maintenance Instructions Daily Maintenance Wash the curtains Silverware Rack Rail Ring Install the curtain L in the wash compartment Heater Weekly MaintenanceMonthly Inspection ExteriorDescaling As Required ShutdownService Panel Hook Long Storage, Relocation, Disposal, Transfer VI. Operating InstructionsVII. Technical Information Water Circuit Wiring Diagram
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JWE-2400CUA-R-25B, JWE-24000CUA-L-25B specifications

The Hoshizaki JWE-2400CUA-R-25B and JWE-24000CUA-L-25B are advanced ice machines designed to meet the diverse needs of commercial establishments requiring high volumes of ice. These state-of-the-art units combine innovative technology with energy efficiency, making them ideal for restaurants, hotels, bars, and other hospitality settings.

One of the main features of the JWE-2400CUA-R-25B is its high production capacity. This model can produce up to 2,400 pounds of ice in a 24-hour period, ensuring a continuous supply for busy operations. Similarly, the JWE-24000CUA-L-25B boasts an impressive production rate, accommodating even larger establishments. Both machines deliver crescent-shaped ice, which is favored for its rapid cooling properties and ease of use in beverages.

Energy efficiency is a highlight of both models. They are designed with environmentally friendly refrigerants, aligning with modern sustainability practices. These machines also incorporate advanced heat-exchange systems that maximize energy savings while maintaining optimal ice production. As a result, operators can enjoy significant reductions in energy costs without compromising on performance.

Durability and reliability are essential characteristics of the Hoshizaki JWE series. Constructed with high-quality materials, these units feature stainless steel exteriors that resist corrosion and wear, ensuring long-term operation in demanding environments. Additionally, the ice-making components are built to endure frequent use, allowing for consistent ice output over time.

The technology integrated into the JWE-2400CUA-R-25B and JWE-24000CUA-L-25B includes user-friendly digital controls that simplify operation and monitoring. These controls help operators track production levels, ice thickness, and machine status, allowing for proactive maintenance and reducing downtime. Furthermore, routine cleaning and maintenance are made straightforward, contributing to enhanced hygiene and overall ice quality.

In conclusion, the Hoshizaki JWE-2400CUA-R-25B and JWE-24000CUA-L-25B ice machines present a perfect blend of high capacity, energy efficiency, and durability. Their advanced features and technologies make them a reliable choice for any business requiring dependable ice production. With their user-friendly controls and robust design, these machines stand out as top contenders in the commercial ice maker market.