Hoshizaki HR24A service manual Control Board and Display Module

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C. Control Board and Display Module

•For factory default settings, see "II.H. Service Menu."

•For control board check procedure, see "IV.B. Control Board Check."

NOTICE

•The control board and display module are fragile; handle very carefully.

•The control board and display module contain integrated circuits, which are susceptible to failure due to static discharge. It is especially important to touch the metal part of the appliance before handling or replacing the control board and display module .

•Do not touch the electronic devices on the control board and display module or the back of the control board or display module.

•Do not change wiring and connections. Do not misconnect terminals.

•Do not short out power supply to test for voltage.

•Always replace the whole control board and display module assembly if it goes bad.

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Contents HR24A Hoshizaki AMERICA, INC Contents Page Important Safety Information Page Storage Capacity and Dimensions Specifications Electrical and Refrigerant DataStorage Capacity Unit mm DimensionsHR24A II. General Information ConstructionSequence Cycles and Shutdown Sequence of OperationEvapFM and Defrost icons are on Cool Down RestartSequence Flow Chart HR24A Sequence Flow ChartControl Board and Display Module Display Module Layout Control Board LayoutDefault Settings Cabinet TemperatureControl Panel Lockout Display Module IconsHigh and Low Temperature Alarm Values AH or AL Alarm SafetiesService Menu Access Service MenuService Menu Chart Page AL alarm sensor. Do not adjust Fan operation with door closed 247 Address not used Baud Rate not used Parity not used III. Technical Data Refrigeration Circuit Wiring Diagram Diagnostic Procedure IV. Service DiagnosisPage Energy Saving Mode Startup and Cool Down Control Board CheckDefrost Thermistor Check Appliance Not Cooling Diagnostic ChartDefrost Fails to Start or Terminate Evaporator is Frozen UpService for Refrigerant Lines Replacement of ComponentsRefrigerant Recovery Evacuation and Recharge R-134a BrazingImportant Notes for Component Replacement Door Reversal Maintenance CleaningVII. Preparing the Appliance for Periods of Non-Use VIII. Disposal

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HR24A specifications

The Hoshizaki HR24A is an advanced refrigeration unit designed to meet the cooling needs of commercial kitchens and food storage facilities. Known for its reliability and efficiency, this model showcases several innovative features that set it apart in the competitive market of commercial refrigeration.

One of the standout characteristics of the Hoshizaki HR24A is its robust construction. Built with a durable stainless steel exterior, it not only adds aesthetic appeal but also ensures longevity and resistance to corrosion and wear. The interior is designed for easy cleaning, with rounded corners that minimize the buildup of grime and food particles.

The HR24A offers an impressive storage capacity, making it ideal for establishments with high-volume food storage requirements. With a temperature range typically between 33°F and 38°F, the unit maintains optimal conditions for preserving perishables such as meats, dairy, and vegetables. This precision in temperature control is essential for maintaining food safety and quality.

One of the key technologies integrated into the Hoshizaki HR24A is its advanced refrigeration system. Utilizing a highly efficient compressor and a fan-assisted cooling feature, the unit ensures rapid temperature recovery even in busy kitchen environments. This is crucial during peak hours when door openings are frequent, as it helps maintain consistent internal temperatures.

Energy efficiency is another hallmark of the HR24A. It is designed with environmentally friendly refrigerants and complies with Energy Star standards, which can lead to significant cost savings over time through reduced electricity consumption. This commitment to environmental responsibility makes it an attractive option for eco-conscious businesses.

In terms of user-friendliness, the HR24A is equipped with digital controls and adjustable shelving, allowing for customized organization according to specific storage needs. The LED lighting inside the unit provides excellent visibility, making it easy to locate items quickly, which is particularly beneficial during busy service periods.

Overall, the Hoshizaki HR24A combines durability, efficiency, and functionality, making it an exceptional choice for anyone seeking a reliable refrigeration solution in a commercial kitchen setting. Whether used in restaurants, hotels, or catering businesses, its impressive features and state-of-the-art technology continue to meet the demanding requirements of the foodservice industry.