Hoshizaki HR24B User Manual
Instruction Manual
Undercounter Refrigerator
Models
HR24B
hoshizakiamerica.com
Issued: 5-11-2018
WARNING
Only qualied service technicians should install and service the appliance. To
obtain the name and phone number of your local Hoshizaki Certied Service
Representative, visit www.hoshizaki.com. No installation or service should be
undertaken until the technician has thoroughly read this Instruction Manual.
Likewise, the owner/manager should not proceed to operate the appliance until the
installer has instructed them on its proper operation. Failure to install, operate, and
maintain the appliance in accordance with this manual will adversely affect safety,
performance, component life, and warranty coverage. Proper installation is the
responsibility of the installer. Product failure or property damage due to improper
installation is not covered under warranty.
Hoshizaki provides this manual primarily to assist qualied service technicians in the
installation, maintenance, and service of the appliance.
Should the reader have any questions or concerns which have not been satisfactorily
addressed, please call, send an e-mail message, or write to the Hoshizaki Technical
Support Department for assistance.
Phone: 1-800-233-1940; (770) 487-2331
Fax: 1-800-843-1056; (770) 487-3360
E-mail: techsupport@hoshizaki.com
618 Highway 74 South
Peachtree City, GA 30269
Attn: Hoshizaki Technical Support Department
NOTE: To expedite assistance, all correspondence/communication MUST include the
following information:
• Model Number
• Serial Number
• Complete and detailed explanation of the problem.
2
IMPORTANT
This manual should be read carefully before the appliance is installed and operated.
Read the warnings and guidelines contained in this manual carefully as they
provide essential information for the continued safe use and maintenance of the
appliance. Retain this manual for any further reference that may be necessary.
CONTENTS
Important Safety Information ................................................................................................. 4
I. Installation Instructions ....................................................................................................... 7
A. Checks Before Installation ............................................................................................. 7
B. Location ......................................................................................................................... 7
1. General .................................................................................................................... 7
2. Built-In Installation Site ............................................................................................ 8
C. Door Reversal ............................................................................................................... 9
D. Setup ........................................................................................................................... 10
E. Electrical Connection ...................................................................................................11
F. Final Checklist .............................................................................................................. 12
II. Operating Instructions ...................................................................................................... 13
A. Important Notes About Usage ..................................................................................... 13
B. Startup ........................................................................................................................ 15
C. Cabinet Temperature ................................................................................................... 15
1. Temperature Display ............................................................................................... 15
2. Adjusting the Temperature Setpoint ....................................................................... 15
D. Display Icons ............................................................................................................... 16
E. Alarm Safeties ............................................................................................................. 16
F. Control Panel Lockout .................................................................................................. 17
G. Door Lock ................................................................................................................... 17
H. Defrost ........................................................................................................................ 18
1. Automatic Defrost ................................................................................................... 18
2. Manual Defrost ...................................................................................................... 18
I. Cooling Performance .................................................................................................... 18
J. Cabinet Condensation ................................................................................................. 18
K. Power Outage ............................................................................................................. 19
III. Cleaning and Maintenance Instructions .......................................................................... 20
A. Cleaning ...................................................................................................................... 20
B. Maintenance ................................................................................................................ 21
IV. Preparing the Appliance for Periods of Non-Use ............................................................ 22
A. Shutdown and Long Storage ....................................................................................... 22
V. Disposal ........................................................................................................................... 23
3
Important Safety Information
Throughout this manual, notices appear to bring your attention to situations which could
result in death, serious injury, damage to the appliance, or damage to property.
DANGER
DANGER
WARNING
NOTICE
IMPORTANT
Indicates a hazardous situation that, if not avoided, will result in
death or serious injury.
Indique un risque imminent qui causera la mort ou de graves
blessures, s’il n’est pas évité.
Indicates a hazardous situation that, if not avoided, could result
in death or serious injury.
Indicates a situation that, if not avoided, could result in damage
to the appliance or property.
Indicates important information about the use and care of the
appliance.
DANGER
Risk of Fire or Explosion
Flammable Refrigerant Used
• Follow handling instructions carefully
in compliance with U.S. government
regulations.
• Do not use mechanical devices to defrost.
• Do not puncture refrigerant tubing. Risk
of re or explosion due to puncture
of refrigerant tubing; follow handling
instructions carefully.
• Component parts shall be replaced with
like components.
• Servicing shall be done by factory
authorized service personnel to minimize
the risk of possible ignition due to
incorrect parts or improper service.
• Consult instruction manual/ service
manual before attempting to install or
service this product. All safety precautions
must be followed.
• Dispose of properly in accordance with
federal or local regulations.
• Do not place any potential ignition sources
in or near the appliance.
Risque De Feu Ou D'Explosion
Le Frigorigène Est Inammable
• Suivre attentivement les instructions
de manipulation conformément à la
réglementation gouvernementale.
• Ne pas utiliser d'appareils mécaniques
pour dégivrer le réfrigérateur.
• Ne pas perforer la tubulure contenant le
frigorigène. Risque de feu ou d'explosion
si la tubulure contenant le frigorigène
est perforée; suivre les instructions de
manutention avec soin.
• Les pièces des composants doivent être
remplacées par des pièces et accessoires
équivalents.
• L’entretien doit être effectué par le
personnel de service autorisé par le
fabricant an de minimiser les risques
d’inammation attribuables à l’installation
d’une pièce inadéquate ou à la mauvaise
exécution du service.
• Consulter le manuel du propriétaire/
guide de réparation avant de tenter une
réparation. Toutes les mesures de sécurité
doivent être respectées.
• Éliminer conformément aux règlements
fédéraux ou locaux.
• Ne placez aucune source d’inammation
potentielle dans ou près de l’appareil.
4
WARNING
The appliance should be destined only to
the use for which it has been expressly
conceived. Any other use should be
considered improper and therefore
dangerous. The manufacturer cannot be
held responsible for injury or damage
resulting from improper, incorrect, and
unreasonable use. Failure to install,
operate, and maintain the appliance
in accordance with this manual will
adversely affect safety, performance,
component life, and warranty coverage.
To reduce the risk of death, electric
shock, serious injury, or re, follow
basic precautions including the
following:
• Only qualied service technicians should
install and service the appliance.
• Wear appropriate personal protective
equipment (PPE) when servicing the
appliance.
• The appliance must be installed in
accordance with applicable national,
state, and local codes and regulations.
• Appliance is heavy. Use care when lifting
or positioning. Work in pairs when needed
to prevent injury or damage. Do not lift
using the top section or the door.
• To reduce the risk of electric shock, do not
touch the plug with damp hands.
• Unplug the appliance before servicing.
• The appliance requires an independent
power supply of proper capacity. See the
nameplate for electrical specications.
Failure to use an independent power
supply of proper capacity can result in a
tripped breaker, blown fuse, damage to
existing wiring, or component failure. This
could lead to heat generation or re.
• THE APPLIANCE MUST BE
GROUNDED. The appliance is equipped
with a NEMA5-15 three-prong grounding
plug to reduce the risk of potential
shock hazards. It must be plugged into a
properly grounded, independent 3-prong
wall outlet. If the outlet is a 2-prong outlet,
it is your personal responsibility to have
a qualied electrician replace it with a
properly grounded, independent 3-prong
wall outlet. Do not remove the ground
prong from the power cord and do not use
an adapter plug. Failure to follow these
instructions may result in death, electric
shock, or re.
• Do not use an extension cord.
• Do not use an appliance with a damaged
power cord. The power cord should not be
altered, jerked, bundled, weighed down,
pinched, or tangled. Such actions could
result in electric shock or re. To unplug
the appliance, be sure to pull the plug, not
the cord, and do not jerk the cord.
• The GREEN ground wire in the factoryinstalled power cord is connected to the
appliance. If it becomes necessary to
remove or replace the power cord, be
sure to connect the power cord's ground
wire.
• Do not splash, pour, or spray water
directly onto or into the appliance. This
might cause short circuit, electric shock,
corrosion, or failure.
• Do not make any alterations to the
appliance. Alterations could result in
electric shock, injury, re, or damage to
the appliance.
• The appliance is not intended for use by
persons (including children) with reduced
physical, sensory, or mental capabilities,
or lack of experience and knowledge,
unless they have been given supervision
or instruction concerning use of the
appliance by a person responsible for
their safety.
5
WARNING, continued
• Children should be properly supervised
around the appliance.
• Do not climb, stand, or hang on the
appliance or door or allow children or
animals to do so. Do not climb into the
appliance or allow children or animals to
do so. Death or serious injury could occur
or the appliance could be damaged.
• Be careful not to pinch ngers when
opening and closing the door. Be careful
when opening and closing the door when
children are in the area.
• Open and close the door with care.
Opening the door too quickly or forcefully
may cause injury or damage to the
appliance or surrounding equipment.
• Do not use combustible spray or place
volatile or ammable substances in or
near the appliance. They might catch re.
• Food storage and handling must comply
with applicable codes and regulations.
• All foods should be wrapped in plastic
lm or stored in sealed containers.
Otherwise foods may dry up, pass their
smells onto other foods, cause frost
to develop, result in poor appliance
performance, or increase the likelihood
of cross-contamination. Certain
dressings and food ingredients, if
not stored in sealed containers, may
accelerate corrosion of the evaporator,
resulting in failure.
• Do not store items near air outlets.
Otherwise, items may freeze up and
crack or break causing a risk of injury or
contamination of other food.
NOTICE
• Protect the oor when moving the
appliance to prevent damage to the oor.
• Keep the area around the appliance clean.
Dirt, dust, or insects in the appliance
could cause harm to individuals or
damage to the equipment.
• Do not throw anything onto the shelves or
load any single shelf with more than 66lb.
(30 kg) of product. They might fall off and
cause injury.
• The appliance is designed only for
temporary storage of food. Employ
sanitary methods. Use for any other
purposes (for example, storage of
chemicals or medical supplies such
as vaccine and serum) could cause
deterioration of stored items.
• Do not block air inlets or outlets, otherwise
cooling performance may be reduced.
• Do not tightly pack the cabinet. Allow
some space between items to ensure
good air ow. Also allow space between
items and interior surfaces.
• Keep ventilation openings, in the
appliance enclosure or in the built-in
structure, clear of obstruction. Do not
place anything on top of the appliance
in an undercounter installation. The
appliance must have a minimum of 3/4"
(2 cm) clearance at top. Air must be able
to circulate freely under, behind, and
above the appliance. Blockage of airow
could negatively affect performance and
damage the appliance.
• Do not allow the appliance to bear any
outside weight.
• To prevent deformation or cracks, do not
spray insecticide onto the plastic parts or
let them come into contact with oil.
• To avoid damage to the gasket, use
only the door handle when opening and
closing.
• To avoid damage, do not lift the appliance
by the top panel.
• Do not put warm or hot foods in the
cabinet. Let them cool rst, or they will
raise the cabinet temperature and could
deteriorate other foods in the cabinet or
overload the appliance.
6
I. Installation Instructions
WARNING
• The appliance must be installed in accordance with applicable national, state, and
local codes and regulations.
• The appliance is heavy. Use care when lifting or positioning. Work in pairs when
needed to prevent injury or damage.
• Do not tilt the appliance more than 45°.
A. Checks Before Installation
• Visually inspect the exterior of the shipping package and immediately report any damage
to the carrier. Upon opening the package, any concealed damage should also be
immediately reported to the carrier.
• Remove the shipping carton, tape, and packing material. Also remove the protective
plastic lm from both the exterior panels and the interior door panel. If the appliance is
exposed to the sun or to heat, remove the lm after the appliance cools.
• Remove all accessory containers before discarding the packing materials.
B. Location
1. General
This appliance is approved for indoor or outdoor use.
NOTICE
• Normal operating ambient temperature must be within 61°F to 86°F (16°C to
30°C).
• Operation of the appliance, for extended periods, outside of this normal
temperature range may affect appliance performance.
For best operating results:
• The appliance should not be located next to ovens, grills, or other high heat producing
equipment.
• The location should provide a rm and level foundation for the appliance.
• The appliance should not be located in a corrosive environment.
• The appliance must have a minimum of 3/4" (2 cm) clearance at top. Air must be able to
circulate freely under, behind, and above the appliance.
7
2. Built-In Installation Site
NOTICE
• Do not let the weight of the counter rest on the appliance. There must be at
least 3/4" (2cm) clearance between the top of the appliance and the bottom of
the counter. Air must be able to circulate freely under, behind, and above the
appliance.
• Do not install the appliance in a corner where the door will interfere with other
equipment or where the appliance cannot be pulled out for service.
Installation Space
Model Height Width Depth
HR24B 32-1/2" (826 mm) minimum 24" (610 mm) minimum 24-1/2" (623 mm) minimum
Between Two Cabinets Between a Cabinet and
the End of a Counter
Min. 32-1/2"
(826 mm)
Min. 24"
(610 mm)
There must be at least 3/4" (2cm) clearance between the
top of the appliance and the bottom of the counter.
Between a Cabinet and
a Wall or Tall Cabinet
Secure: Do not
let the weight
of the counter
rest on the
appliance.
There must be at least 3/4" (2cm) clearance between the
top of the appliance and the bottom of the counter.
Min. 32-1/2"
(826 mm)
In a Corner
Oven
Min. 32
(826 mm)
Min. 24"
(610 mm)
"
-1/2
Support: Do not
let the weight
of the counter
rest on the
appliance.
Top Trim
Refrigerator
Toe Kick
8
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