D. Display Icons

D. Display Icons

Display icons inform you of energized components and if the unit is in alarm.

Display Icons

Icon

Meaning

Compressor

Steady: Compressor running.

Flashing: Compressor delay timer. Compressor will start within 3 minutes.

In temperature setpoint adjustment mode. For temperature setpoint adjustment, see "II.C.2 Adjusting the Temperature Setpoint."

Defrost

Unit is in defrost cycle. See "II.G. Defrost" for details.

Evaporator Fan

Evaporator fan is running. Evaporator fan is de-energized when door is open.

Alarm

Unit is in alarm. See "II.E. Alarm Safeties" for details.

E. Alarm Safeties

Alarm signals are designed to protect the unit and items inside. These alarms give information or warnings in the event the unit is operating out of acceptable parameters. Should one of the alarms occur, follow the instructions below to address the alarm. The alarm icon appears on the display and the alarm code alternates with the cabinet temperature. For high temperature, low temperature, and door alarms, the unit beeps in addition to displaying the alarm icon and alarm code.

To obtain the name and phone number of your local Hoshizaki Certified Service Representative, visit www.hoshizaki.com.

Alarm Signals

Alarm Code

Problem

Corrective Action

 

High Temperature Alarm

If obvious corrections such as closing the

 

 

door and cleaning the condenser do not

AH

Cabinet temperature has exceeded the setpoint

bring temperature back in range, contact a

temperature by 10°F for more than 2 hours after

qualified service technician.

 

 

startup or 1 hour after setpoint has been achieved

 

 

for the first time.

 

 

Low Temperature Alarm

If obvious corrections do not bring the

AL

 

temperature back in range, contact a

Cabinet temperature has remained below the

qualified service technician.

 

 

setpoint temperature by 10°F for more than 1 hour.

 

 

 

 

Ld

Door Open

Close the door.

Door has been open for more than 10 minutes.

 

 

 

 

Cabinet Thermistor Malfunction Alarm

Contact a qualified service technician.

Pr1

 

 

 

Cabinet thermistor has failed.

Unit cycles 10 min. on, 10 min. off.

 

 

 

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Hoshizaki HR24A instruction manual D. Display Icons, E. Alarm Safeties

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.