Models
F-330BAK(-C)
Self-Contained Flaker
Instruction Manual
Issued: 8-19-2025
hoshizakiamerica.com
2
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,
maintenance, or service 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.
3
CONTENTS
Important Safety Information ................................................................................................. 4
I. Specications ...................................................................................................................... 9
A. Electrical and Refrigerant Data ..................................................................................... 9
B. Dimensions/Connections ............................................................................................ 10
II. Installation and Operating Instructions .............................................................................11
A. Location .......................................................................................................................11
B. Checks Before Installation ........................................................................................... 13
C. How to Remove Panels .............................................................................................. 13
D. Setup ........................................................................................................................... 14
E. Electrical Connection .................................................................................................. 15
F. Water Supply and Drain Connections .......................................................................... 16
G. Final Checklist ............................................................................................................ 18
1. Pre-Startup ............................................................................................................. 18
2. Post-Startup ........................................................................................................... 18
III. Operating Instructions ..................................................................................................... 19
A. Important Notes About Usage ..................................................................................... 19
B. Startup ........................................................................................................................ 20
C. Bin Control Check ....................................................................................................... 21
D. Alarm Safeties ............................................................................................................. 23
IV. Maintenance ................................................................................................................... 24
A. User Maintenance Schedule ....................................................................................... 24
B. Service Maintenance Schedule ................................................................................... 25
C. Cleaning and Sanitizing Instructions ........................................................................... 26
V. Preparing the Appliance for Periods of Non-Use ............................................................. 30
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.
4
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.
• 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.
DANGER
5
• 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.
DANGER continued
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.
6
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.
7
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
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.
8
NOTICE
• To help ensure that the ice storage bin
drain remains clear, follow the instructions
in "IV.C.Ice Storage Bin Drain" once
every 3 months or 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 appliance 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 supervised to ensure
that they do not play with 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 appliance in a location that stays
above freezing. Normal operating ambient
temperature must be within 45°F to 100°F
(7°C to 38°C).
9
I. Specications
A. Electrical and Refrigerant Data
The nameplate provides electrical and refrigerant data and Year of Manufacture (YOM).
The nameplate is located inside the ice storage bin. For certication marks, see the
nameplate.
We reserve the right to make changes in specications and design without prior notice.
Model Number F-330 BAK F-330 BAK-C
AC SUPPLY VOLTAGE ~115/60/1 115/60/1
AMPERES 6.3 6.3
DESIGN PRESSURE kPa (PSI) HI-2730 (396) LO-1310 (190) HI-2730 (396) LO-1310 (190)
REFRIGERANT g (oz.) R-290 78 (2.8) R-290 78 (2.8)
CLIMATIC CLASS 5 5
INSULATION BLOWING GAS HFO 1233zd(E) HFO 1233zd(E)
MINIMUM ROOM FLOOR AREA
m² (ft² )
3.7 (40.2) 3.7 m² (40.2 ft²)
HARVEST RATE ≤1,200 LB/DAY (CONTINUOUS) ≤1,200 LB/DAY (CONTINUOUS)
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 100°F (7°C to
38°C). Operation of the appliance, for extended periods, outside of these normal
temperature ranges may affect appliance performance.
10
B. Dimensions/Connections
1. F-330 BAK(-C)
Unit: in. (mm)
11
II. Installation and Operating 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 uses an A3 ammable refrigerant. For refrigerant charge and minimum
room oor area, 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)
F-330BAK(-C) 78 (2.8) 3.7 (40.2)
≥ 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.
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.
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
• This appliance is not intended for outdoor use. 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 95°F (7°C to 35°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.
• The location must provide a rm foundation for the appliance.
• This appliance requires no side or top clearance. But allow enough space at rear for
water supply and drain connections and at least 15" (38 cm) clearance at front.
• The appliance must be at oor level on a nished oor even if under a cabinet. In areas
where water damage is a concern, install in a contained area with a oor drain.
13
Fig. 1
Top Panel
Screws
Front Panel
Screw
Door
Air Filter
Right Side Louver
B. Checks Before Installation
• 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 shipping carton, tape, and packing material. If any are left in the appliance, it
will not work properly.
• See the nameplate on the rear panel, and check that your voltage supplied corresponds
with the voltage specied on the nameplate.
• Remove the package containing the accessories.
• 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 the 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.
C. How to Remove Panels
See Fig. 1
• Front Panel: Remove the screw. Lift up and towards you.
• Top Panel: Open the door. Remove the screws. Lift up at the front slightly, push rearward,
and lift off.
Notice! The F-330 BAK(-C) utilizes 1 air lter in the right side louver.
14
D. Setup
1) Attach the four adjustable legs provided to the bottom of the appliance.
2) Position the appliance in the selected permanent location.
3) Level the appliance from side-to-side and front-to-rear by adjusting the legs.
15
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 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 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 power switch or plug with
damp hands.
• To reduce the risk of electric shock, make sure the power 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 ±10 percent of the nameplate rating.
16
F. Water Supply and Drain Connections
See Fig. 2
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
• 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 this normal
temperature range may affect appliance performance.
• Water supply pressure must be a minimum of 10 PSIG (69 kPa) and a maximum
of 113PSIG (779 kPa). If the pressure exceeds 113 PSIG (779 kPa), 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.
• 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.
• Be sure there is sufficient extra water supply line and drain line for the appliance
to be pulled out for service.
Water Supply Inlet Minimum Water Supply Line Size Drain Outlet Minimum 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" NominalID Hard Pipe
or Equivalent
• A plumbing permit and services of a licensed plumber may be required in some areas.
• 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.
17
Floor
Drain
2-inch (5-cm) air gap
Fig. 2
Shut-Off Valve
Drain Valve
Drain Outlet
3/4" FPT
Piping to
approved
drain.
Water Supply Inlet
1/2" FPT
Minimum 3/4" Nominal ID
Hard Pipe or Equivalent
Minimum 1/4" Nominal ID Copper
Water Tubing or Equivalent
• A water supply line shut-off valve and drain valve must be installed.
• Water supply pressure must be a minimum of 10 PSIG (69 kPa) and a maximum of
113 PSIG (779 kPa). Ifthe pressure exceeds 113 PSIG (779 kPa), the use of a pressure
reducing valve is required.
• 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 line should not be piped directly to the sewer system. An air gap of a minimum of
2vertical inches (5 cm) must be between the end of the drain pipe from the appliance
and the oor drain.
18
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) Is there at least 6" (15-cm) clearance at rear and sides and 24" (61-cm) at the top of the
appliance?
4) Have the shipping carton, tape, and packing material been removed from the
appliance? Hasthe protective plastic lm been removed from the panels?
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 (69 kPa) and a maximum of 113 PSIG
(779 kPa)?
8) Are all components, fasteners, and thumbscrews securely in place?
9) 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?
10) Continue to "III.B. Startup."
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) Has the ice and water dispenser operation been conrmed?
3) Are all components, fasteners, and thumbscrews securely in place?
4) 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?
5) Has the end user been given the contact information of an authorized service agent?
6) Has the warranty card been lled out and forwarded to the factory for warranty
registration?
19
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.
• To help ensure that the ice storage bin drain remains clear, follow the instructions
in "IV.C.Ice Storage Bin Drain" once every 3 months or 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.
• 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.
20
B. Startup
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.
• At startup, conrm that all internal and external connections are free of leaks.
1) Open the water supply line shut-off valve.
2) Remove the top and front panels.
3) Make sure the power switch is in the "OFF" position.
4) Plug the appliance into the electrical outlet.
5) Move the control switch to the "ICE" position, then move the power switch to the "ON"
position to start the automatic icemaking process. Replace the front and top panels.
6) Once the unit starts to produce ice, allow it to run for another 30 min.
7) Remove the top and front panels.
8) Move the power switch to the "OFF" position, then move the control switch to the
"DRAIN" position. Move the power switch to the "ON" position, then replace the front
and top panels. Allow the water system to drain for 5 min.
9) Remove the top and front panels, then move the power switch to the "OFF" position.
10) Unplug the appliance from the electrical outlet.
11) Pour warm water into the ice storage bin and melt any remaining ice. Clean the ice
storage bin liner using a neutral cleaner. Rinse thoroughly after cleaning.
12) Conrm bin control operation. See "II.I. Bin Control Check."
21
C. Bin Control Check
A mechanical bin control controls the level of ice in the ice storage bin.
IMPORTANT
• Make sure the appliance has been installed as outlined in this manual and that
the water supply is on.
• Make sure S2 dip switch 7 is in the "OFF" position and dip switch 8 is in the "ON"
position.
1) Remove the top and front panels and the control box cover.
2) Make sure the power switch is in the "OFF" position.
3) Plug the appliance into the electrical outlet.
4) Move the control switch to the "ICE" position, then move the power switch to the "ON"
position.
5) Make sure the "GM" LED on the control board is on. See Fig. 3. There is a delay of
at least 30 seconds before the "GM" LED turns on after power-up. After the "GM"
LED turns on, press the "SERVICE" button on the control board to bypass the 5-min.
compressor delay. WARNING! Risk of electric shock. Care should be taken not to
touch live terminals. Conrm the "COMP" LED turns on.
Note: If the "SERVICE" button is not pressed, the "COMP" LED turns on and
compressor energizes 5 min. after gear motor starts.
Fig. 3
Control Board
"BIN FULL" LED
"COMP" LED
"GM" LED
"POWER" LED
S2 DIP SWITCH
"ALARM" LED
"SERVICE" Button
Part Number
Label: 2A9874-01
22
Actuator
Fig. 4
Proximity Switch
6) Once the "COMP" LED is on and compressor is energized, press the actuator paddle
located in the ice storage bin (actuator paddle engaged). See Fig. 4.
The 90-sec. compressor shutdown timer starts. Once the 90-sec. compressor shutdown
timer terminates, compressor and fan motor de-energize and the 60-sec. gear motor
shutdown timer starts. Once the 60-sec. gear motor timer terminates, gear motor
de-energizes. Release the actuator to start the automatic icemaking process.
7) Move the power switch to the "OFF" position.
8) Unplug the appliance from the electrical outlet.
9) Replace the control box cover in its correct position.
10) Plug the appliance into the electrical outlet.
11) Move the control switch to the "ICE" position, then move the power switch to the "ON"
position to start the automatic icemaking process.
12) Replace the front and top panels.
13) Return to "II.G.2. Post Startup."
23
D. Alarm Safeties
Should an alarm occur, follow the instructions in the table below to address the alarm.
If an alarm continues to occur, contact an authorized service agent.
In case of alarm, the built-in safeties shut down the unit, the orange "ALARM" LED turns
on, and audible alarms sound as listed below.
No. of Beeps
(every 5 sec.)
Type of Alarm Notes and Reset Options
1 Low-Water Safety
UFS open
>
90 sec. after WV energized.
Automatic reset once water supply is restored and
UFS closes.
2 Control Switch
In "DRAIN" position longer than 15 min.
Automatic reset once the control switch is moved to
the "ICE" position.
3 High-Pressure Switch
First and second activation in 1 hr.
Automatic reset once pressure drops below the high
pressure threshold and the high-pressure switch
closes.
4 High-Pressure Switch
Third activation in 1 hr.
Turn power off. Call for service.
To avoid possible catastrophic failure, it is
recommended to leave the icemaker off until this
alarm is resolved.
5 Freeze Timer
WV off
>
30 min. since last WV activation.
Call for service. Manual reset. Turn power off and
on again. Check for FS stuck (up), WV leaking by,
TXV defective, LLV not opening, low charge, HM not
bypassing, or inefficient Comp.
6 Low Voltage
92VAC
±
5% or less.
Green "POWER" LED turns off if voltage
protection operates.
Control voltage safeties automatically reset when
voltage is corrected.
7 High Voltage
147VAC
±
5% or more.
8 a) Gear Motor Fuse or Protector Open
CCR contacts fail to close.
Used on all models.
Turn power off. Check for GM fuse or protector open.
Replace fuse or let protector cool and reset.
If persistent trips occur, call for service.
b) Evaporator Thermistor
At GM startup Evaporator
thermistor < -4°F (-20°C).
Used on cubelet (-C)(-SC)(-CB)
models only.
Turn power off. Call for service.
To avoid possible catastrophic failure, it is
recommended to leave the icemaker off until this
alarm is resolved.
Manual reset. Turn power off and on again.
9 Bin Control 2 (Mechanical)
Open Circuit Control Board K8
(#3 and #4)
Not used on DCM or self-contained
models.
Manual reset. Turn power off and on again.
Modular Flaker and Cubelet (-C)(-SC)(-CB) Models:
Control Board S2 Dip Switch #7 must be ON.
DCM and Self-Contained Models:
Control Board S2 Dip Switch #7 must be OFF.
10 Evaporator Thermistor
Evaporator thermistor reaches -22°F
(-30°C) for 3 consecutive cycles.
Used on cubelet (-C)(-SC)(-CB)
models only.
Turn power off. Call for service.
To avoid possible catastrophic failure, it is
recommended to leave the icemaker off until this
alarm is resolved.
Manual reset. Turn power off and on again.
Legend: Comp–compressor; DV–drain valve; EH–evaporator heater; FM–fan motor;
FMR–fan motor-remote; FS–oat switch; GM–gear motor; HM–headmaster
(C.P.R.); LLV-liquid line valve; SLV –suction line valve; TXV–thermostatic
expansion valve; UFS–upper oat switch; WV–inlet water valve
Dip switches are factory set and must be adjusted per the unit’s service manual or
Hoshizaki Technical Support recommendation.
24
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 icemaker power switch or
control switch with damp hands.
• Before Servicing: Move the power switch to the "OFF" position, then unplug
the appliance from the electrical outlet. Power switch in "OFF" position does not
de-energize all loads.
• 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.
• Do not place ngers or any other objects into the ice discharge opening.
• 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.
25
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.
Every 6
Months
Icemaker and Ice
Storage Bin
Clean and sanitize per the cleaning and sanitizing instructions provided in
this manual. See "III.B. Cleaning and Sanitizing Instructions."
Evaporator
Condensate Drain
Pan and Gear
Motor Drain Pan
Wipe down with a clean cloth and warm water. Slowly pour one cup of
sanitizing solution (prepare as outlined in the sanitizing instructions in this
manual) into the evaporator condensate drain pan and then slowly pour
one cup into the gear motor drain pan. Be careful not to overow the pans.
Repeat with a cup of clean water to rinse.
Icemaker/Ice
Storage Bin Drain
Check to make sure the drain is clear.
Extruding Head
Seal Bolts
Inspect for leakage around seal bolts. Tighten (see torque value below) or
replace as necessary. Seal bolts must be replaced once removed because
seal material is one-time use only. If new seal bolts do not have preapplied
threadlocker, apply Loctite243 or equivalent threadlocker to seal bolt
threads.
• Torque for F-1001 and Smaller: 11.1 ft-lb/15 N·m
Tighten 2 times. Allow at least 5 sec. in between each tightening.
Yearly Inlet Water Valve
and Drain Valve
Close the water supply line shut-off valve and drain the water system. Clean
the inlet water valve screen and clean and inspect the drain valve.
Water Hoses Inspect the water hoses and clean/replace if necessary.
Condenser Inspect. Clean if necessary by using a brush or vacuum cleaner.
Icemaker Inspect for oil spots, loose components, fasteners, and wires.
Upper Bearing
(extruding head)
Check for wear using .02" round stock or pin gauge. Replace both upper
bearing and lower bearing if wear exceeds factory recommendations. See
the Service Manual for details.
After
3 Years,
then Yearly
Upper Bearing
(extruding head);
Lower Bearing
and O-Ring
(lower housing);
Mechanical
Seal; Evaporator
Cylinder; Auger
Inspect. Replace both upper bearing and lower bearing if wear exceeds
factory recommendations. Replace the mechanical seal if the seal's contact
surfaces are worn, cracked, or scratched.
26
C. Cleaning and Sanitizing Instructions
The appliance must be cleaned and sanitized at least twice a year. More frequent
cleaning and sanitizing may be required insome 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 cleaning and sanitizing
solutions.
• Always wear liquid-proof gloves and goggles to prevent the cleaning and sanitizing
solutions from coming into contact with skin or eyes.
• Do not use ice made from the cleaning and sanitizing solutions. After cleaning and
sanitizing, be careful not to leave any solution in the appliance.
• Do not place ngers or any other objects into the ice discharge opening.
1. Cleaning Solution
Dilute 4.8 . oz. (142 ml) of Hoshizaki "Scale Away" with 0.8 gallons (3 l) of warm water.
This is a minimum amount. Make more solution if necessary. IMPORTANT! For safety
and maximum effectiveness, use the solution immediately after dilution.
2. Cleaning Procedure
1) Close the water supply line shut-off valve.
2) Remove the front panel and top panel. Move the power switch to the "OFF" position,
then unplug the appliance from the electrical outlet.
3) Remove all ice from the ice storage bin.
4) Plug the appliance back in. Move the control switch to the "DRAIN" position, then move
the power switch to the "ON" position to drain the appliance.
5) After the water has drained, move the power switch to the "OFF" position. Unplug the
appliance.
6) Lift up the top insulation and unsnap the bin control assembly. Lift the assembly up
through the insulation and set it aside. See Fig. 5.
7) Remove the top insulation.
Top Insulation
Bin Control
Assembly
Fig. 5
27
8) Remove spout B, then remove spout A. See Fig. 6.
9) Pour the cleaning solution over the extruding head until the evaporator assembly and
the reservoir are full and the solution starts to run through the overow hose on the
reservoir.
Note: If there is excess scale on the extruding head, ll the evaporator assembly and
reservoir as described above, then use a clamp on the reservoir hose between
the reservoir and evaporator assembly to block ow. Pour additional cleaning
solution over the extruding head until the evaporator assembly is completely full.
10) Allow the appliance to sit for about 10 minutes before operation. If you placed a clamp
on the reservoir hose in step 9, remove it before operation.
11) In bad or severe water conditions, clean the oat switch as described below. Otherwise,
continue to step 12.
a. Remove the oat switch from the reservoir cover.
b. Wipe down the oat switch with the cleaning solution.
c. Rinse the oat switch thoroughly with clean water.
d. Replace the oat switch in its correct position.
12) Replace all parts and the top panel.
13) Plug the appliance back in. Move the control switch to the "ICE" position, then move the
power switch to the "ON" position. Replace the front panel and allow the appliance to
make ice using the solution until it stops automatically.
14) Remove the front panel.
15) Move the power switch to the "OFF" position, then move the control switch to the
"DRAIN" position. Move the power switch to the "ON" position to drain the remainder of
the solution.
16) After the solution has drained, move the control switch to the "ICE" position.
17) Replace the front panel.
Fig. 6
Evaporator Assembly
Spout
Packing A
Cylinder Packing
Extruding Head
Spout A
Thumbscrew
Spout B
Thumbscrew
28
18) Open the water supply line shut-off valve to supply water to the reservoir.
19) After the gear motor starts, remove the front panel. Move the power switch to the "OFF"
position, then move the control switch to the "DRAIN" position. Move the power switch
to the "ON" position to drain the appliance.
20) After the water has drained, move the power switch to the "OFF" position. Unplug the
appliance.
Note: If you do not sanitize the appliance, leave the appliance plugged in with the power
switch in the "ON" position and go to step 17 in "5. Sanitizing Procedure - Final."
3. Sanitizing Solution
Dilute 2.5 . oz. (74 ml or 5 tbs) of a 7.5% sodium hypochlorite solution (chlorine bleach)
with 5 gallons (19 l) of warm water. This is a minimum amount. Make more solution if
necessary. IMPORTANT! For safety and maximum effectiveness, use the solution
immediately after dilution.
4. Sanitizing Procedure - Initial
1) Close the water supply line shut-off valve.
2) Remove the top panel. Remove the bin control assembly from the top insulation and set
it aside. Remove the top insulation.
3) Remove spout B, then remove spout A. Remove spout packing A and the cylinder
packing. See Fig. 6.
4) Pour the sanitizing solution over the extruding head until
the evaporator assembly and the reservoir are full and
the solution starts to run through the overow hose on the
reservoir.
5) Lift up slightly on the clip securing the bin control switch to
the paddle assembly and slide the switch out. See Fig. 7.
6) Soak the spouts, packings and paddle assembly in the
sanitizing solution for 10 minutes then wipe them down.
7) Rinse the parts thoroughly, then replace all parts and the top
panel.
8) Plug the appliance back in. Move the control switch to the "ICE" position, then move the
power switch to the "ON" position. Replace the front panel and allow the appliance to
make ice using the solution until it stops automatically.
5. Sanitizing Procedure - Final
1) Dilute 2.5 . oz. (74 ml or 5 tbs) of a 7.5% sodium hypochlorite solution (chlorine bleach)
with 5 gallons (19 l) of warm water. This is a minimum amount. Make more solution if
necessary. IMPORTANT! For safety and maximum effectiveness, use the solution
immediately after dilution.
2) Remove the front panel. Move the power switch to the "OFF" position, then move the
control switch to the "DRAIN" position. Move the power switch to the "ON" position to
drain the remainder of the solution.
Clip
Bin Control
Switch
Paddle
Assembly
Fig. 7
29
3) After the solution has drained, move the power switch to the "OFF" position. Unplug the
appliance.
4) Remove the top panel.
5) Remove the bin control assembly from the top insulation and set it aside. Remove the
top insulation.
6) Remove spout B, then remove spout A.
7) Pour the sanitizing solution over the extruding head until the evaporator assembly and
the reservoir are full and the solution starts to run through the overow hose on the
reservoir.
8) Allow the appliance to sit for about 10 minutes before operation.
9) Replace all parts and the top panel.
10) Plug the appliance back in. Move the control switch to the "ICE" position, then move the
power switch to the "ON" position. Replace the front panel and allow the appliance to
make ice using the solution until it stops automatically.
11) Remove the front panel.
12) Move the power switch to the "OFF" position, then move the control switch to the
"DRAIN" position. Move the power switch to the "ON" position to drain the remainder of
the solution.
13) After the solution has drained, move the control switch to the "ICE" position.
14) Replace the front panel.
15) Open the water supply line shut-off valve to supply water to the reservoir.
16) After the gear motor starts, remove the front panel. Move the power switch to the "OFF"
position, then move the control switch to the "DRAIN" position. Move the power switch
to the "ON" position to drain the appliance.
17) After the water has drained, move the control switch to the "ICE" position and allow the
appliance to run. Replace the front panel.
18) After 30 minutes, remove the front panel and move the power switch to the "OFF"
position. Unplug the appliance.
19) Pour warm water into the ice storage bin to melt all ice, then clean the bin liner with the
solution.
20) Rinse out any solution from the ice storage bin.
21) Plug the appliance back in. Move the power switch to the "ON" position to start the
automatic icemaking process.
22) Replace the front panel.
30
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 power switch to the "OFF" position.
1) Run the appliance with the water supply line shut-off valve closed. Allow the appliance to
make ice until it stops automatically.
2) Open the water supply line drain valve and blow the line out using compressed air or
carbon dioxide.
3) Remove the front panel. Move the power switch to the "OFF" position, then move the
control switch to the "DRAIN" position. Move the power switch to the "ON" position to
drain the remaining water from the appliance.
4) After the water has drained, move the power switch to the "OFF" position. Unplug the
appliance.
5) Replace the front panel.
6) Close the water supply line drain valve.
7) Remove all ice from the ice storage bin, then clean and rinse the bin.
31
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 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.
• 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.
32
618 Hwy. 74 South, Peachtree City, GA 30269 USA (P) 770.487.2331 (F) 770.487.3360 hoshizakiamerica.com 1A7605-010
