
Models
IM-200BAK
Self-Contained Cuber
Instruction Manual
Issued: 9-15-2025
hoshizakiamerica.com

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.hoshizakiamerica.com. No installation, operation, or
maintenance should be undertaken until the technician has thoroughly read this
Instruction Manual. No service should be undertaken until the technician has
thoroughly read the service manual available at www.hoshizakiamerica.com.
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 and may result in costly water
damage. 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, operation, 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
E-mail: tech-suppor[email protected]
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

CONTENTS
Important Safety Information ................................................................................................. 4
I. Specications ...................................................................................................................... 9
A. Construction .................................................................................................................. 9
B. Electrical and Refrigerant Data ................................................................................... 10
C. Dimensions/Connections .............................................................................................11
II. Installation Instructions .................................................................................................... 12
A. Location ...................................................................................................................... 12
B. Checks Before Installation ........................................................................................... 14
C. How to Remove Panels ............................................................................................... 15
D. Setup ........................................................................................................................... 16
E. Electrical Connection .................................................................................................. 17
F. Water Supply and Drain Connections .......................................................................... 18
G. Final Checklist ............................................................................................................ 20
III. Operating Instructions ..................................................................................................... 21
A. Important Notes About Usage ..................................................................................... 21
B. Startup and Bin Control Check .................................................................................... 22
C. Control Board Display ................................................................................................. 23
IV. Maintenance ................................................................................................................... 24
A. User Maintenance Schedule ....................................................................................... 24
B. Service Maintenance Schedule ................................................................................... 25
C. Cleaning and Sanitizing Instructions ........................................................................... 25
1. Cleaning Procedure ................................................................................................ 25
2. Sanitizing Procedure - Following Cleaning Procedure ........................................... 27
3. Bin Control Cleaning .............................................................................................. 28
V. Preparing the Appliance for Periods of Non-Use ............................................................. 29
VI. Decommissioning and Disposal ..................................................................................... 31
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.
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.
R-290 Class A3 Flammable Refrigerant Used
DANGER
Indicates a hazardous situation that, if not avoided, will result in
death or serious injury.
WARNING
Indicates a hazardous situation that, if not avoided, could result in
death or serious injury.
NOTICE
Indicates a situation that, if not avoided, could result in damage to
the appliance or property.
IMPORTANT
Indicates important information about the use and care of the
appliance.
DANGER
• Servicing shall be done by trained service
personnel with certied competence
in handling ammable refrigerants to
minimize the risk of possible ignition due
to incorrect parts or improper service.
• Component parts shall be replaced with
like components. So as to minimize the
risk of possible ignition due to incorrect
parts.
• Dispose of properly in accordance with
federal or local regulations.
• Do not pierce or burn.
• Be aware that refrigerants may not contain
an odor.
• Do not damage the refrigeration circuit.
• See nameplate for R-290 refrigerant
charge:
• If greater than 114 g (4 oz.), do not install
in public corridor or lobby.
• If greater than 152 g (5.3 oz.), do not
install within 6 m (20 ft) of open ame.
• The appliance shall be stored in a room
without continuously operating ignition
sources (for example: open ames, an
operating gas appliance, or an operating
electric heater).
Risk of Fire or Explosion
Flammable Refrigerant Used
• Only qualied service technicians should
install and service the appliance.
• No installation, operation, or maintenance
should be undertaken until the technician
has thoroughly read this Instruction
Manual. All safety precautions must be
followed.
• No service should be undertaken until the
technician has thoroughly read the Service
Manual available at
www.hoshizakiamerica.com. All safety
precautions must be followed.
• This appliance to be installed in
accordance with the Safety Standard for
Refrigeration Systems ANSI/ASHRAE 15.
• Follow handling instructions carefully in
compliance with national regulations.
• Do not use mechanical devices or other
means to accelerate the defrosting
process or to clean, other than those
recommended by the manufacturer.
• Do not puncture refrigerant tubing. Risk
of re or explosion due to puncture
of refrigerant tubing; follow handling
instructions carefully.
4

DANGER continued
• Do not place any potential ignition sources
in or near the appliance.
• Keep clear of obstruction all ventilation
openings in the appliance enclosure or in
the structure for building-in.
• No potential sources of ignition are to be
used in the searching for or detection of
refrigerant leaks.
• Do not use electrical appliances inside
the appliance unless they are of the type
recommended by the manufacturer.
• Do not store explosive substances such as
aerosol cans with a ammable propellant
in this appliance.
• Check that cabling will not be subject
to wear, corrosion, excessive pressure,
vibration, sharp edges, or any other
adverse environmental effects. The check
shall also take into account the effects of
aging or continual vibration from sources
such as compressors or fans.
• Ensure that the area is in the open or that
it is adequately ventilated before breaking
into the system or conducting any hot
work. A degree of ventilation shall continue
during the period that the work is carried
out. The ventilation should safely disperse
any released refrigerant and preferably
expel it externally into the atmosphere.
Risque D’Incendie ou D’Explosion
Fluide Frigorigène Inammable Utilisé
• Seuls des techniciens de service qualiés
doivent installer et entretenir l’appareil.
• Aucune installation, opération ou
maintenance ne doit être entreprise avant
que le technicien n’ait lu attentivement
ce manuel d’instructions. Toutes les
précautions de sécurité doivent être
suivies.
• Aucune opération d’entretien ne doit être
entreprise avant que le technicien n’ait
lu attentivement le manuel d’entretien
disponible sur le site
www.hoshizakiamerica.com. Toutes les
précautions de sécurité doivent être
suivies.
• Cet appareil doit être installé
conformément à la norme de sécurité
pour les systèmes de réfrigération ANSI/
ASHRAE 15.
• Suivez attentivement les instructions
de manutention conformément aux
réglements nationaux.
• Ne pas utiliser de dispositifs mécaniques
ou d’autres moyens pour accélérer le
processus de dégivrage ou pour nettoyer,
autres que ceux recommandés par le
fabricant.
• Ne pas perforer la conduite de uide
frigorigène. Risque d’incendie ou
d’explosion en cas de perforation
d’une canalisation de uide frigorigène;
suivez attentivement les instructions de
manutention.
• L’entretien doit être effectué par du
personnel formé et certié pour la
manipulation de réfrigérants inammables
an de réduire au minimum le risque
d’inammation dû à des pièces incorrectes
ou à un entretien inadéquat.
5

DANGER continued
• Les pièces doivent être remplacées
par des pièces similaires, de manière
à réduire au minimum le risque
d’inammation dû à des pièces
incorrectes.
• Mettre au rebut conformément aux
réglements fédéraux ou locaux.
• Ne pas percer ou brûler.
• Attention, les uides frigorigénes peuvent
ne pas dégager d’odeur.
• Ne pas endommager les composants du
circuit de réfrigération.
• Voir plaque signalétique pour la charge de
réfrigérant R-290:
• Si elle est supérieure à 114 g (4 oz.), ne
pas l’installer dans un couloir public ou
un hall d’entrée.
• Si elle est supérieure à 152 g (5.3 oz.),
ne pas l’installer à moins de 6 m (20 pi)
d’une amme nue.
• L’appareil doit être entreposé dans un
local ne contenant pas de sources
d’inammation permanentes (ammes
nues, appareil à gaz ou dispositif de
chauffage électrique en fonctionnement,
par exemple).
• Ne placer aucune source d’inammation
potentielle à l’intérieur ou à proximité de
l’appareil.
• Ne pas obstruer les ouvertures de
ventilation dans l’enceinte de l’appareil ou
dans la structure d’encastrement.
• Aucune source potentielle d’inammation
ne doit être utilisée pour rechercher ou
détecter des fuites de réfrigérant.
• Ne pas utiliser d’appareils électriques à
l’intérieur de l’appareil, sauf s’ils sont du
type recommandé par le fabricant.
• Ne pas entreposer dans cet appareil
des substances explosives telles que
des bombes aérosols contenant un gaz
propulseur inammable.
• Vérier que le câblage ne sera pas soumis
à l’usure, à la corrosion, à une pression
excessive, à des vibrations, à des arêtes
vives ou à tout autre effet environnemental
négatif. Le contrôle doit également prendre
en compte les effets du vieillissement ou
des vibrations continues provenant de
sources telles que les compresseurs ou
les ventilateurs.
• S’assurer que la zone est à l’air libre ou
qu’elle est correctement ventilée avant de
pénétrer dans le système ou d’effectuer
un travail à chaud. Une certaine ventilation
doit être maintenue pendant la durée des
travaux. La ventilation doit permettre de
disperser en toute sécurité tout réfrigérant
libéré et, de préférence, de l’expulser dans
l’atmosphère.
6

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
and may result in costly water damage.
To reduce the risk of death, electric
shock, serious injury, or re, follow
basic precautions including the
following:
• This appliance is not intended for use
above 2,000 m (6,561 ft).
Installation above 2,000 m (6,561 ft) may
adversely affect safety, performance, and
component life.
• 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.
• 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.
• To reduce the risk of electric shock, do not
touch the control switch or plug with damp
hands.
• To reduce the risk of electric shock, make
sure the control switch is in the "OFF"
position before plugging in or unplugging
the appliance.
• Unplug the appliance before servicing.
• 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.
• Do not use an extension cord.
• If the supply cord is damaged, it must
be replaced by the manufacturer, its
service agent, or similarly qualied
persons in order to avoid a hazard. Upon
replacement, the GREEN ground wire in
the power cord must be connected to the
designated grounding screw.
• Do not make any alterations to the
appliance. Alterations could result in
electric shock, injury, re, or damage to
the appliance.
• Appliance is heavy. Use care when lifting
or positioning. Work in pairs when needed
to prevent injury or damage.
WARNING
7

NOTICE
• To help ensure that the ice storage bin
drain remains clear, follow the instructions
in "IV.B.Cleaning and Sanitizing
Instructions" as often as necessary for
conditions. If the ice storage bin drain
becomes clogged, water could build up
in the bin and overow, leading to costly
water damage.
• Do not leave the appliance on during
extended periods of non-use, extended
absences, or in sub-freezing temperatures.
To properly prepare the appliance for
these occasions, follow the instructions in
"V. Preparing the Appliance for Periods of
Non-Use."
• If water collects in the bin and will not
drain, turn off the icemaker and close the
water supply line shut-off valve. Call for
service.
• If water seeps from the base of the
appliance, turn off the appliance and close
the water supply line shut-off valve. Call
for service. Failure to do so could lead to
costly water damage.
• Do not place objects on top of the
appliance.
• The ice storage bin is for ice use only.
Do not store anything else in the ice
storage bin.
• Protect the oor when moving the
appliance to prevent damage to the oor.
• Do not allow the appliance to bear any
outside weight.
WARNING continued
• 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.
• Do not splash, pour, or spray water
directly onto or into the appliance. This
might cause short circuit, electric shock,
corrosion, or failure.
• Children should be properly supervised
around the appliance.
• Do not climb, stand, or hang on the
appliance or allow children or animals to
do so. 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.
• Do not use combustible spray or place
volatile or ammable substances in or
near the appliance. They might catch re.
• Keep the area around the appliance clean.
Dirt, dust, or insects in the appliance could
cause harm to individuals or damage to
the appliance.
NOTICE
• Follow the water supply, drain connection,
and maintenance instructions carefully to
reduce the risk of costly water damage.
• In areas where water damage is a
concern, install in a contained area with a
oor drain.
• Install the icemaker in a location that stays
above freezing. Normal operating ambient
temperature must be within 45°F to 100°F
(7°C to 38°C).
8

I. Specications
A. Construction
Top Panel
Front Frame
Control Switch
Louver/Air Filter
Bin Control
Door
Power Cord
Control Box
Front Panel
9

B. Electrical and Refrigerant Data
The rating label and nameplate provide electrical and refrigerant data. The rating label
can be seen by removing the front panel. The nameplate is located on the rear panel.
For certication marks, see the nameplate.
We reserve the right to make changes in specications and design without prior notice.
1. IM-200BAK
Model Number IM-200BAK
AC SUPPLY VOLTAGE ~115/60/1
AMPERES 5.0
DESIGN PRESSURE kPa (PSI) HI-2069 (300) LO-896 (130)
REFRIGERANT g (oz.) R-290 125 (4.4)
CLIMATIC CLASS 5
INSULATION BLOWING GAS HFO 1233zd(E)
MINIMUM ROOM FLOOR AREA m² (ft² ) 6.0 (64.4)
HARVEST RATE ≤1,000 LB/DAY (BATCH)
Note: Climatic Class 5: This appliance electrical safety tested for operation in maximum
ambient temperature of 104°F (40°C) with 40% relative humidity. However,
normal operating ambient temperature must be within 45°F to 100°F (7°C to
38°C); Normal operating water temperature must be within 45°F to 90°F (7°C to
32°C). Operation of the appliance, for extended periods, outside of these normal
temperature ranges may affect appliance performance.
10

ADJUSTABLE LEGS
149
[ 5 - 7/8 ]
785
[ 30 - 7/8 ]
665
[ 26 - 1/8 ]
225
[ 8 - 7/8 ]
607
[ 23 - 7/8 ]
307
[ 12 - 1/8 ]
700
[ 27 - 1/2 ]
852
[ 33 - 1/2 ]
1004
[ 39 - 1/2 ]
314
[ 12 - 3/8 ]
600
[ 23 - 5/8 ]
86
[ 3 - 3/8 ]
230
[ 9 ]
185
[ 7 - 1/4 ]
POWER SUPPLY CORD
1.8 m [ 5 ft. 8 - 1/2 ] LONG
WATER INLET
1/2" FPT
71
[ 2 - 3/4 ]
82
[ 3 - 1/4 ]
WATER DRAIN
3/4" FPT
93
[ 3 - 5/8 ]
22
[ 7/8 ]
AIR OUT
AIR IN
C. Dimensions/Connections
Unit: mm [inches]
11

II. Installation Instructions
WARNING
• This appliance must be installed in accordance with applicable national, state,
and local codes and regulations.
• This appliance to be installed in accordance with the Safety Standard for
Refrigeration Systems ANSI/ASHRAE 15.
• Failure to install, operate, and maintain the appliance in accordance with this
manual will adversely affect safety, performance, component life, and warranty
coverage and may result in costly water damage.
• CHOKING HAZARD: Ensure all components, fasteners, and thumbscrews are
securely in place after installation. Make sure that none have fallen into the ice
storage bin.
A. Location
1. General
This appliance is approved for indoor use.
This appliance uses an A3 ammable refrigerant. For refrigerant charge and room oor
area requirement, see the table below.
DANGER
R-290 Class A3 Flammable Refrigerant Used
Model
R-290 Refrigerant
Charge g (oz.)
Minimum Room Floor Area
(operating or storage)
Supercie Minimale du Local
(service ou stockage)
m² (ft²); m² (pi²)
IM-200BAK 125 (4.4) 6.0 (64.4)
≥ Area m
2
(ft
2
) (see "Minimum Room Floor Area" above)
≥ Supercie m
2
(pi
2
) (voir « Supercie Minimale du Local » ci-dessus)
12

DANGER continued
R-290 Refrigerant Charge:
• If greater than 114 g (4 oz.), do not install in public corridor or lobby.
• If greater than 152 g (5.3 oz.), do not install within 6 m (20 ft) of open ame.
R-290 De réfrigérant:
• Si elle est supérieure à 114 g (4 oz.), ne pas l’installer dans un couloir public ou un
hall d’entrée.
• Si elle est supérieure à 152 g (5.3 oz.), ne pas l’installer à moins de 6 m (20 pi)
d’une amme nue.
This appliance is not intended for use above 2,000 m (6,561 ft). Installation above
2,000 m (6,561 ft) may adversely affect safety, performance, and component life.
NOTICE
• Normal operating ambient temperature must be within 45°F to 100°F (7°C to
38°C); Normal operating water temperature must be within 45°F to 90°F (7°C to
32°C). Operation of the appliance, for extended periods, outside of these normal
temperature ranges may affect appliance performance.
• This appliance will not work at sub-freezing temperatures. To prevent damage to
the water supply line, drain the appliance if the air temperature is going to go below
32°F (0°C). See "V. Preparing the Appliance for Periods of Non-Use."
• The appliance should not be located next to ovens, grills, or other high heat producing
equipment.
• In areas where water damage is a concern, install in a contained area with a oor drain.
• The location must provide a rm and level foundation for the appliance.
• Minimum Clearance:
Left Side and Top Right Side Rear
2" (5-cm) on Left Side and 0" on Top
or
5/8" (16-mm) on Left Side and 2" (5-cm) on Top
6" (15-cm) 2" (5-cm)
13

B. Checks Before Installation
NOTICE
• Remove all shipping cartons, tape, and packing material. If any are left in the
appliance, it will not work properly.
• Remove the shipping tape holding the door and the bin control actuator.
• Visually inspect the exterior of the shipping container and immediately report any
damage to the carrier. Upon opening the container, any concealed damage should also
be immediately reported to the carrier.
• Remove the package containing the accessories.
• Remove the shipping carton, tape, and packing material. If any are left in the appliance,
it will not work properly.
• Remove the protective plastic lm from the panels. If the appliance is exposed to the
sun or to heat, remove the lm after the appliance cools.
• Check that refrigerant lines do not rub or touch lines or other surfaces, and that the fan
blade turns freely.
• Check that the compressor is snug on all mounting pads.
• See the nameplate on the rear panel and check that your voltage supplied corresponds
with the voltage specied on the nameplate.
14

Fig. 1
Screw
Screw
Screw
Screw
Screw
Front Sheet
Front Frame
Top Sheet
Top Insulation
Top Panel
Screw
Front Panel
C. How to Remove Panels
See Fig. 1
• Top Panel: Remove the screws and lift up.
• Top Insulation: Lift up.
• Top Sheet: Lift up.
• Front Panel: Remove the screw and pull towards you.
• Right Side Panel: Remove the screws (front and rear) and slide right slightly.
• Front Frame: Loosen the screws. Lift up and pull towards you.
• Front Sheet: Lift up and pull towards you.
15

D. Setup
NOTICE
• Do not place more than 33 lb. (15 kg) on the top panel.
• Do not use the frame to lift the appliance. Lift the appliance from the base.
• Handle the appliance carefully to avoid damaging the exterior.
1) Attach the ve adjustable legs provided to the bottom of the appliance.
2) Position the appliance in its permanent location.
3) Level the appliance from side-to-side and front-to-rear by adjusting the legs.
A
A
Fig. 3
Fig. 2
Max. Max.
1/8" (3-mm)
[0.3°][0.3°]
16

E. Electrical Connection
WARNING
• Electrical connection must meet national, state, and local electrical code
requirements. Failure to meet these code requirements could result in death,
electric shock, serious injury, re, or damage.
• 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 ICEMAKER MUST BE GROUNDED: The appliance is equipped with a
NEMA 5-15 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 plug and do not use an
adapter plug. Failure to properly ground the appliance could result in death or
serious injury.
• Do not use an extension cord.
• To reduce the risk of electric shock, do not touch the control switch or plug
with damp hands. Make sure the control switch is in the "OFF" position before
plugging in or unplugging the appliance.
• 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.
• If the supply cord is damaged, it must be replaced by the manufacturer, its
service agent, or similarly qualied persons in order to avoid a hazard. Upon
replacement, the GREEN ground wire in the power cord must be connected to
the designated grounding screw.
• Usually an electrical permit and services of a licensed electrician are required.
• The maximum allowable voltage variation is ±6 percent of the nameplate rating.
17

F. Water Supply and Drain Connections
See Fig. 4
WARNING
• Water supply and drain connections must be installed in accordance with
applicable national, state, and local regulations.
• Connect to potable water supply only. Do not connect to a hot-water supply.
NOTICE
• Water supply line size is critical to the operation of the appliance. Failure to
provide adequate water supply to the appliance may result in damage to the
appliance, damage to property, and may void the warranty.
• Normal operating water temperature should be within 45°F to 90°F (7°C to
32°C). Operation of the appliance, for extended periods, outside of this normal
temperature range may affect appliance performance.
• Water supply pressure must be a minimum of 10 PSIG (68 kPaG) and a maximum
of 113 PSIG (779 kPaG). If the pressure exceeds 113 PSIG (779 kPaG), the use
of a pressure reducing valve is required.
• External lters, strainers, or softeners may be required depending on water quality.
Contact your local Hoshizaki Certied Service Representative or local Hoshizaki
distributor for recommendations.
• In areas where water damage is a concern, install in a contained area with a oor
drain.
• Water line installation to the appliance is not warranted by Hoshizaki.
• Be sure there is sufficient extra water supply line and drain line for the appliance
to be pulled out for service.
• Water-hammer issues must be resolved by a qualied plumber before installing
the appliance. Water hammer can cause appliance damage that may lead to
water leakage or ooding.
• A minimum of 3/4" nominal ID hard pipe or equivalent is required for the drain
line. Installing a smaller diameter drain line will reduce water ow and may lead to
water leakage or ooding.
• To prevent damage to the appliance, do not operate the appliance when the
water supply is off, or if the pressure is below 10 PSIG (68 kPaG). Do not run the
appliance until the proper water pressure is reached.
• A plumbing permit and services of a licensed plumber may be required in some areas.
• Drain lines must have 1/4" fall per foot (2-cm per 1-m) on horizontal runs to get a good
ow. A vented tee connection is also required for proper ow.
• Drain lines should not be piped directly to the sewer system. An air gap of a minimum
of 2vertical inches (5-cm) should be between the end of the drain pipes from the
icemaker/ice storage bin and water-cooled condenser (if applicable) and the oor
drain.
18

1. Icemaker
Icemaker Water
Supply Inlet
Minimum Icemaker
Water Supply Line Size
Icemaker / Ice
Storage Bin
Drain Outlet
Minimum Icemaker
Drain Line Size
1/2" Female Pipe
Thread (FPT)
1/4" Nominal ID Copper
Water Tubing or Equivalent
3/4" Female Pipe
Thread (FPT)
3/4" Nominal ID Hard
Pipe or Equivalent
• An icemaker water supply line shut-off valve and drain valve must be installed.
Icemaker Water Supply
Inlet 1/2" FPT
Icemaker / Ice Storage Bin
Drain Outlet 3/4" FPT
Fig. 4
To approved
oor drain
1/4" fall per foot
Shut-off ValveDrain Valve
Minimum 3/4" Nominal
ID Hard Pipe or
Equivalent
Minimum 1/4" Nominal ID
Copper Water Tubing or
Equivalent
Be sure there is sufficient
extra water supply line
and drain line for the
appliance to be pulled out
for service.
Separate piping to
approved drain. Leave a
2-inch (5-cm) vertical air
gap between the end of
each pipe and the drain.
Vent Tube
2-inch (5-cm)
air gap
Drain
Floor
19

G. Final Checklist
1. Pre-Startup
1) Is the appliance level?
2) Is the appliance in a site where the ambient temperature is within 45°F to 100°F (7°C to
38°C) and the water temperature within 45°F to 90°F (7°C to 32°C) all year around?
3) Have the minimum clearance requirements specied below been met?
Left Side and Top Right Side Rear
2" (5-cm) on Left Side and 0" on Top
or
5/8" (16-mm) on Left Side and 2" (5-cm) on Top
6" (15-cm) 2" (5-cm)
4) Have all shipping cartons, tape, and packing material been removed from the
appliance?
5) Have all electrical and water connections been made? Do electrical and water
connections meet applicable national, state, and local code and regulation
requirements?
6) Has the power supply voltage been checked or tested against the nameplate rating?
Is the power supply a properly grounded, independent 3-prong wall outlet?
7) Are the water supply and drain lines sized as specied? Are the water supply line
shut-off valve(s) and drain valve(s) installed? Has the water supply pressure been
checked to ensure a minimum of 10 PSIG (68.9 kPa) and a maximum of 113 PSIG
(779.1 kPa)?
8) Is the compressor snug on all mounting pads? Have the refrigerant lines been checked
to make sure they do not rub or touch other lines or surfaces? Has the fan blade
(if applicable) been checked to make sure it turns freely?
9) Continue to "III. Operating Instructions."
2. Post-Startup
WARNING
CHOKING HAZARD: Ensure all components, fasteners, and thumbscrews are
securely in place after installation. Make sure that none have fallen into the ice
storage bin.
1) Has the bin control operation been conrmed?
2) Are all components, fasteners, and thumbscrews securely in place?
3) Has the end user been given the instruction manual, and instructed on how to operate
the appliance and the importance of the recommended periodic maintenance?
4) Has the end user been given the contact information of an authorized service agent?
5) Has the warranty card been lled out and forwarded to the factory for warranty
registration?
20

III. Operating Instructions
R-290 Class A3 Flammable Refrigerant Used
DANGER
Risk of Fire or Explosion. Flammable Refrigerant Used.
• Be sure to follow all Important Safety Information located at the beginning of this
manual.
• Failure to install, operate, and maintain the appliance in accordance with this manual
will adversely affect safety, performance, component life, and warranty coverage and
may result is costly water damage.
• Keep clear of obstruction all ventilation openings in the appliance enclosure or in the
structure for building-in.
Risque D’Incendie ou D’Explosion. Fluide Frigorigène Inammable Utilisé.
• Veillez à respecter toutes les consignes de sécurité importantes gurant au début de
ce manuel.
• Le fait de ne pas installer, utiliser et entretenir l’appareil conformément à ce manuel
aura des conséquences négatives sur la sécurité, les performances, la durée de vie
des composants et la couverture de la garantie, et peut entraîner des dégâts des
eaux coûteux.
• Ne pas obstruer les ouvertures de ventilation dans l’enceinte de l’appareil ou dans la
structure d’encastrement.
A. Important Notes About Usage
NOTICE
• Protect the oor when moving the appliance to prevent damage to the oor.
• If water collects in the bin and will not drain, turn off the appliance and close the
water supply line shut-off valve. Call for service.
• Do not leave the appliance on during extended periods of non-use, extended
absences, or in sub-freezing temperatures. To properly prepare the appliance for
these occasions, follow the instructions in "V. Preparing the Appliance for Periods
of Non-Use."
• Do not place objects on top of the appliance.
• The ice storage bin is for ice use only. Do not store anything else in the ice storage
bin.
21

B. Startup and Bin Control Check
WARNING
• All parts are factory-adjusted. Improper adjustments may adversely affect safety,
performance, component life, and warranty coverage.
• To reduce the risk of electric shock, do not touch the power switch, control switch,
or plug (on corded models) with damp hands. If you have to slide the appliance
back for a built-in installation, make sure you do not damage or pinch the water
supply line, drain line, or power cord.
NOTICE
• If the appliance is turned off, wait for at least 3 minutes before restarting the
appliance to prevent damage to the compressor.
• To prevent damage to the water pump, do not leave the control switch in the
"WASH" position for extended periods of time when the water tank is empty.
1) Open the door.
2) Clean the ice storage bin using a neutral cleaner. Rinse thoroughly after cleaning.
3) Close the door.
4) Open the water supply line shut-off valve.
5) Remove the front panel.
6) Make sure the control switch is in the "OFF" position. Plug the appliance into the
electrical outlet. WARNING! To reduce the risk of electric shock, do not touch the
control switch or plug with damp hands.
7) Move the control switch to the "ICE" position.
8) Allow the icemaker to cycle on.
9) Conrm bin control operation: In the initial harvest cycle, as the water pan starts
dropping, press and hold the bin control's actuator paddle (open). Continue holding
the bin control actuator paddle until the appliance shuts down. Release the bin control
actuator paddle.
Restart: 80 sec. after the bin control actuator paddle is released (closed), the automatic
icemaking process restarts.
10) Replace the front panel in its correct position.
11) Return to “II.G.2. Post-Startup.
22

C. Control Board Display
1. Normal Operation
Display for normal operation is "on". See the gure on the right.
2. Error Code
The control board will show an error code and safely stop if the appliance is operating
outside of acceptable parameters. See the gure below. If an error code appears, please
contact your local Hoshizaki Certied Service Representative for assistance.
E1: Abnormal freeze cycle
E2: Abnormal harvest cycle
EE: Other
23

IV. Maintenance
The appliance must be maintained in accordance with the instruction manual and
labels provided with the appliance. Consult with your local Hoshizaki Certied Service
Representative about maintenance service. To obtain the name and phone number of
your local Hoshizaki Certied Service Representative, visit www.hoshizakiamerica.com.
WARNING
• Items listed under "IV.A. User Maintenance Schedule" may be performed by the
user; otherwise, only qualied service technicians should service the appliance.
• Failure to install, operate, and maintain the equipment in accordance with this
manual will adversely affect safety, performance, component life, and warranty
coverage.
• To reduce the risk of electric shock, do not touch the control switch or plug with
damp hands. Make sure the control switch is in the "OFF" position before plugging
in or unplugging the appliance.
• Before Performing Maintenance/Service: Move the control switch to the "OFF"
position, then unplug the appliance from the electrical outlet.
• CHOKING HAZARD: Ensure all components, fasteners, and thumbscrews are
securely in place after any maintenance is done to the appliance. Make sure that
none have fallen into the ice storage bin.
• After service, make sure that there are no wires pinched between the panels and
appliance. Make sure you do not damage or pinch the water supply line, drain line,
or power cord.
A. User Maintenance Schedule
The user maintenance schedule below is a guideline. More frequent maintenance may
be required depending on water quality, the appliance's environment, and local sanitation
regulations.
Maintenance Schedule
Frequency Area Task
Daily Scoop Clean the ice scoop using a neutral cleaner. Rinse thoroughly after
cleaning.
Bi-Weekly Air Filters Inspect. Wash with warm water and neutral cleaner if dirty.
Monthly Appliance Exterior Wipe down with a clean, soft cloth. Use a damp cloth containing a neutral
cleaner to wipe off oil or dirt build up. Clean any chlorine staining (rust
colored spots) using a non-abrasive cleanser.
24

B. Service Maintenance Schedule
The service maintenance schedule below is a guideline; service maintenance items are
to be performed by qualied service technicians only. More frequent maintenance may
be required depending on water quality, the appliance's environment, and local sanitation
regulations.
Maintenance Schedule
Frequency Area Task
Monthly External Water
Filters
Check for proper pressure and change if necessary.
Yearly
Icemaker and Ice
Storage Bin Liner
Clean and sanitize per the cleaning and sanitizing instructions provided in
this manual or on the maintenance label on the icemaker.
Water Supply Inlet Close the icemaker water supply line shut-off valve and drain the water
system. Clean the water supply inlet screen.
Condenser Inspect. Clean if necessary by using a brush or vacuum cleaner. More
frequent cleaning may be required depending on location.
Water Hoses
Inspect the water hoses and clean/replace if necessary.
Appliance Inspect for oil spots, loose components, fasteners, and wires.
C. Cleaning and Sanitizing Instructions
The appliance must be cleaned and sanitized at least once a year. More frequent
cleaning and sanitizing may be required in some water conditions.
WARNING
• To prevent injury to individuals and damage to the appliance, do not use
ammonia type cleaners.
• Carefully follow any instructions provided with the bottles of cleaning and
sanitizing solution.
• Always wear liquid-proof gloves and goggles to prevent the cleaning and
sanitizing solutions from coming into contact with skin or eyes.
• After cleaning and sanitizing, be careful not to leave any solution in the
appliance.
NOTICE
To prevent damage to the water pump, do not leave the control switch in the "WASH"
position for extended periods of time when the water tank is empty.
1. Cleaning Procedure
1) Dilute 3 . oz. (88.7 ml) of Hoshizaki "Scale Away" with 0.5 gallon (1.9 l) of warm water.
IMPORTANT! For safety and maximum effectiveness, use the solution immediately
after dilution.
2) Remove the front panel and then move the control switch to the "OFF" position.
Unplug the appliance.
3) Remove all ice from the ice storage bin.
4) Remove the top panel, top insulation, top sheet, front frame, and front sheet.
25

5) Remove the screw and then move the water tank drain pipe to the drain position.
See Fig. 5. Use the screw to secure the water tank drain pipe in the drain position.
Fig. 5
[Normal Position]
[Drain Position]
Screw
Tank Drain
Pipe
6) Replace the front sheet, front frame, top sheet, top insulation, and top panel.
7) Close the icemaker water supply line shut-off valve.
8) Plug in the appliance. Move the control switch to the "ICE" position and then replace the
front panel.
9) Allow the appliance to operate for 3 minutes; the water tank drains and cubes are
removed from the evaporator.
10) Remove the front panel and then move the control switch to the "OFF" position.
Unplug the appliance.
11) Remove the top panel, top insulation, and top sheet.
12) Slowly pour the cleaning solution over the top of the evaporator and into the water tank.
Do not splash or spill the solution onto other parts.
13) Replace the top sheet, top insulation, and top panel.
14) Plug in the appliance. Move the control switch to the "WASH" position to start the
cleaning process and then replace the front panel.
15) After 30 minutes, remove the front panel and then move the control switch to the "OFF"
position. Unplug the appliance.
16) Open the icemaker water supply line shut-off valve.
17) Plug in the appliance. Move the control switch to the "ICE" position and then replace the
front panel.
18) Allow the appliance to operate for 3 minutes to drain the water tank, and then remove
the front panel.
19) Move the control switch to the "OFF" position. After 5 seconds, move the control switch
to the "ICE" position and then replace the front panel.
20) Repeat steps 18 and 19 three more times to rise thoroughly.
Note: If not sanitizing the icemaker, go to step 18 in "IV.C.2. Sanitizing Procedure -
Following Cleaning Procedure."
26

2. Sanitizing Procedure - Following Cleaning Procedure
1) Dilute 0.17 . oz. (5.05 ml) of a 7.5% sodium hypochlorite solution (chlorine bleach) with
0.5 gal. (1.9 l) of warm water. IMPORTANT! For safety and maximum effectiveness,
use the solution immediately after dilution.
2) Remove the front panel and then move the control switch to the "OFF" position. Unplug
the appliance.
3) Close the icemaker water supply line shut-off valve.
4) Plug in the appliance and then move the control switch to the "ICE" position. Replace
the front panel.
5) Allow the appliance to operate for 3 minutes to drain the water tank.
6) Remove the front panel and then move the control switch to the "OFF" position. Unplug
the appliance.
7) Remove the top panel, top insulation, and top sheet.
8) Slowly pour the sanitizing solution over the top of the evaporator and into the water tank.
Do not splash or spill the solution onto the other parts.
9) Replace the top sheet, top insulation, and top panel.
10) Plug in the appliance. Move the control switch to the "WASH" position to start the
sanitizing process and then replace the front panel.
11) After 15 minutes, remove the front panel and then move the control switch to the "OFF"
position. Unplug the appliance.
12) Open the icemaker water supply line shut-off valve.
13) Plug in the appliance. Move the control switch to the "ICE" position and then replace the
front panel.
14) Allow the appliance to operate for 3 minutes to drain the water tank and then remove
the front panel.
15) Move the control switch to the "OFF" position. After 5 seconds, move the control switch
to the "ICE" position and then replace the front panel.
16) Repeat steps 14 and 15 three more times to rise thoroughly.
17) Repeat steps 1 through 16 one more time.
18) Remove the front panel and then move the control switch to the "OFF" position. Unplug
the appliance.
19) Remove the top panel, top insulation, top sheet, front frame, and front sheet.
20) Remove the screw and then move the water tank drain pipe to the normal position.
See Fig. 5. Use the screw to secure the water tank drain pipe in the normal position.
21) Replace the front sheet, front frame, top sheet, top insulation, and top panel.
22) Clean the ice storage bin liner using a neutral cleaner. Rinse thoroughly after cleaning.
23) Plug in the appliance. Move the control switch to the "ICE" position and then replace the
front panel to start the automatic icemaking process.
27

3. Bin Control Cleaning
Scale may build up on the bin control. Scale can cause the actuator paddle and magnet
to stick. In this case, the bin control should be cleaned.
WARNING
CHOKING HAZARD: Ensure all components, fasteners, and thumbscrews are
securely in place after the icemaker is serviced. Make sure that none have fallen
into the dispense unit/ice storage bin.
1) Turn off the power supply.
2) Remove the front panel, then move the control switch to the "OFF" position.
3) Clear any ice away from the bin control actuator paddle.
4) Carefully remove the bin control cable from the cable ties in the evaporator case,
then remove the bin control from the bin control bracket and move to the front of the
icemaker for cleaning.
5) Remove the actuator paddle from the switch mount. See Fig. 6.
6) Wipe down the bin control with a mixture of 1 part of Hoshizaki "Scale Away" and 25
parts of warm water. Rinse the parts thoroughly with clean water.
7) Reassemble the bin control and replace it in its correct position.
Note: If the magnet was removed for cleaning, be sure to replace it in its correct
position.
8) Replace the bin control cable into the cable ties in the evaporator case, then move the
control switch to the "ICE" position.
9) Turn on the power supply to start the automatic icemaking process.
10) Replace the front panel in its correct position.
Bin Control Cable Connector
Actuator Paddle
Switch Mount
Magnet
Thumbscrew
Bin Control Bracket
Bin Control
Fig. 6
28

V. Preparing the Appliance for Periods of Non-Use
WARNING
Only qualied service technicians should service this appliance.
NOTICE
• During extended periods of non-use, extended absences, or in sub-freezing
temperatures, follow the instructions below to reduce the risk of costly water
damage.
• When the appliance is not used for two or three days under normal conditions, it
is sufficient to move the control switch to the "OFF" position.
• To prevent damage to the water pump seal, do not leave the control switch in the
"WASH" position for extended periods when the water tank is empty.
1. Remove the water from the icemaker water supply line:
1) Remove the front panel.
2) Move the control switch to the "OFF" position.
3) Close the icemaker water supply line shut-off valve and then open the icemaker water
supply line drain valve. See Fig. 4.
4) Allow the icemaker water supply line to drain by gravity.
5) Attach compressed air or carbon dioxide supply to the icemaker water supply line drain
valve.
6) Move the control switch to the "ICE" position.
7) Blow the icemaker water supply line out using compressed air or carbon dioxide.
29

2. Drain the water tank:
1) Move the control switch to the "OFF"
position and then unplug the appliance.
2) Remove the top panel, top insulation, and
top sheet.
3) Remove the screw and then move the tank
drain pipe to the drain position. See Fig. 7.
4) Replace the top sheet, top insulation, and
top panel.
5) Close the icemaker water supply line drain
valve.
6) Plug in the appliance and then move the
control switch to the "ICE" position.
7) Press the "RESET" button. See Fig. 8. The
water tank will start to open.
Note: This procedure is necessary to
protect the appliance from freezing up at
sub-freezing temperatures.
8) Move the control switch to the "OFF"
position and then unplug the appliance
when the water tank is fully opened.
9) Remove the top panel, top insulation, and
top sheet.
10) Move the tank drain pipe to the normal
position and then secure it with the screw.
See Fig. 7.
11) Replace the top sheet, top insulation, top
panel, and front panel.
Fig. 8
Fig. 7
[Normal Position]
[Drain Position]
Screw
Tank Drain
Pipe
30

VI. Decommissioning and Disposal
R-290 Class A3 Flammable Refrigerant Used
DANGER
Risk of Fire or Explosion. Flammable Refrigerant Used.
• Only qualied service technicians should install and service the appliance.
• Follow handling instructions carefully in compliance with national regulations.
• Dispose of properly in accordance with federal or local regulations.
• Do not puncture refrigerant tubing. Risk of re or explosion due to puncture of
refrigerant tubing; follow handling instructions carefully.
• Be sure to follow the full Decommissioning and Disposal information located in the
Service Manual for this model. The Service Manual is available at
www.hoshizakiamerica.com.
Risque D’Incendie ou D’Explosion. Fluide Frigorigène Inammable Utilisé.
• Seuls des techniciens de service qualiés doivent installer et entretenir l’appareil.
• Suivre attentivement les instructions de manutention conformément aux réglements
nationaux.
• Mettre au rebut conformément aux conformément aux réglements fédéraux ou
locaux.
• 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.
• Veiller à respecter l’ensemble des informations relatives à la mise hors service et
à la mise au rebut gurant dans le manuel d’entretien de ce modèle. Le manuel
d’entretien est disponible à l’adresse suivante: www.hoshizakiamerica.com.
31

32
HOSHIZAKI AMERICA, INC.
618 Hwy. 74 S., Peachtree City, GA 30269 USA TEL (770) 487-2331 FAX (770) 487-3360 www.hoshizaki.com 1A8203-010
