HR24A Sequence Flow Chart

1. Startup

2. Cool Down

3. Cool Down Achieved

4. Defrost

• Defrost icon turns on.

• If Comp run time

• CTh cools to setpoint.

< 3 min., Comp icon

and Comp continue

Factory default is 39°F.

towarmsCTh4°F

setpointabove

until 3-min. Comp run

F4CTh° setpointabove

• 3-min. Comp run timer

timer terminates. Once

• 2-min. Comp delay.

3-min. Comp

terminates.

3-min. Comp run timer

• 2-min. Comp off timer

terminates, Comp

• Comp icon flashes

run timer starts.

starts.

de‑energizes and defrost

during Comp delay.

starts.

Power on

CTh in control

EvapFM energized EvapFM continues

EvapFM continues

30-min. DT terminates

Comp energized

Comp de-energized

6-hr. DT starts

2. Sequence Flow Chart

Setpoint Achieved

	Energy Saving Mode
	Energy Saving Mode
	• Door must remain		• When Comp de-energized, EvapFM
	closed for 20 min. after		• When Comp de-energized, EvapFM
	setpoint achieved.		operates 1 min. on, 5 min. off.

20-Min. ESM Timer Starts		20-Min. ESM Timer Terminates
EvapFM continues		Comp cycles on and off as
Comp cycles on and off as			required by CTh
	required by CTh	EvapFM energizes on and off
			with Comp cycle
		EvapFM when Comp de-energized:
			1 min. on, 5 min. off

Door Switch activated (door open): 20-min. ESM Timer resets EvapFM energizes

Legend: Comp-compressorCTh-cabinet thermistor ESM-energy saving mode EvapFM-evaporator fan motor

DT-defrost timer

Note:

•EvapFM de-energizes when door is open.

•There is a Comp delay of 2 min. at startup.

•There is a minimum Comp run time of 3 min.

•There is a Comp delay of 2 min. after a power interruption.

•To initiate manual defrost, press and hold the "+" button until the defrost icon turns on the display module.

•Defrost lasts 30 min.

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.