Models
DCM-271BAK(-OS)
Cubelet Icemaker/Dispenser
Instruction Manual
Issued: 12-18-2024
Revised: 8-21-2025
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
IMPORTANT
This manual should be read carefully before the appliance is installed and operated.
Read the warnings and guidelines contained in this manual carefully as they
provide essential information for the continued safe use and maintenance of the
appliance. Retain this manual for any further reference that may be necessary.
CONTENTS
Important Safety Information ................................................................................................. 4
I. Specications ...................................................................................................................... 9
A. Electrical and Refrigerant Data ..................................................................................... 9
B. Dimensions/Connections ............................................................................................ 10
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
1. Pre-Startup ............................................................................................................... 20
2. Post-Startup ............................................................................................................ 20
III. Operating Instructions ..................................................................................................... 21
A. Important Notes About Usage ..................................................................................... 21
B. Startup ........................................................................................................................ 22
C. Alarm Safeties ............................................................................................................. 25
IV. Maintenance ................................................................................................................... 26
A. User Maintenance Schedule ....................................................................................... 27
B. Service Maintenance Schedule ................................................................................... 27
C. Cleaning and Sanitizing Instructions ........................................................................... 28
V. Preparing the Appliance for Periods of Non-Use ............................................................. 32
VI. Decommissioning and Disposal ..................................................................................... 33
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.
• 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.
• 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 power switch, control 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.
• 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.
8
NOTICE
• 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.
• Protect the oor when moving the
appliance to prevent damage to the oor.
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.
• 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).
• Level the icemaker. An out-of-level
icemaker could result in improper
operation, poor performance, water leaks,
and/or damage to the icemaker.
9
I. Specications
A. Electrical and Refrigerant Data
The rating label and nameplate provide electrical and refrigerant data and Year of
Manufacture (YOM). The rating label can be seen by removing the right side 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.
Model Number DCM-271BAK(-OS)
AC SUPPLY VOLTAGE ~115/60/1
AMPERES 6.4
DESIGN PRESSURE kPa (PSI) HI-1979 (287) LO-883 (128)
REFRIGERANT g (oz.) R-290 150 (5.3)
CLIMATE CLASS 5
INSULATION BLOWING GAS HFO 1233 ZD (E)
MINIMUM ROOM FLOOR AREA M² (FT² ) 7.2 (77.3)
HARVEST RATE ≤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 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
B. Dimensions/Connections
1. DCM-271BAK
Unit: mm [in.]
NOTICE
Allow 6" (15 cm) clearance
at rear and sides for proper
air circulation and ease of
maintenance and/or service
should they be required.
Allow 24" (61 cm) clearance
at top to allow for removal
of the auger.
11
2. DCM-271BAK-OS
Unit: mm [in.]
NOTICE
Allow 6" (15 cm) clearance
at rear and sides for proper
air circulation and ease of
maintenance and/or service
should they be required.
Allow 24" (61 cm) clearance
at top to allow for removal
of the auger.
12
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 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)
DCM-271BAK(-OS) 150 (5.3) 7.2 (77.3)
≥ Area m
2
(ft
2
) (see "Minimum Room Floor Area" above)
≥ Supercie m
2
(pi
2
) (voir « Supercie Minimale du Local » ci-dessus)
13
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
• The 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 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."
• Opti-Serve Model (-OS): Sunlight, direct and indirect, can have an effect on the
operation of the dispense sensors. If a problem is noticed, the appliance should
be moved out of direct sunlight and/or farther away from any outside windows.
• The appliance should not be located next to ovens, grills, or other high heat producing
equipment.
• The location should provide a rm and level foundation for the appliance.
• Allow 6" (15 cm) clearance at rear and sides for proper air circulation and ease of
maintenance and/or service should they be required. Allow 24" (61 cm) clearance at top
to allow for removal of the auger.
14
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 panels to prevent damage when installing the appliance. See "II.C. How to
Remove Panels."
• 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 (if applicable) turns freely.
• This appliance can be installed on a countertop or on an optional stand. If using an
optional stand, see the table below. For further options, contact your local Hoshizaki
distributor.
Model Number SD Stand
DCM-271BAK(-OS) SD-271
15
C. How to Remove Panels
See Fig. 1 or Fig. 2
• Front Panel: Remove the screw. Lift up and towards you. Disconnect the connectors on
push-button models.
• Top Panel: Lift up at front slightly, pull towards you and lift off.
• Apron Panel: Remove the screws and pull towards you. Disconnect the connectors on
optical-sensor models.
• Side Panel: Remove the screws and pull towards you.
• Ice Storage Bin Cover: Remove the thumbscrews and lift off.
Fig. 1
Push-Button Models
Opti-Serve Models
Top Panel
Side Panel
Side Panel
Front Panel
Apron Panel
Top Panel
Side Panel
Side Panel
Front Panel
Apron Panel
Connectors
DCM-271BAK
DCM-271BAK-OS
Rear Panel
Grille
Rear Panel
Connectors
Grille
Fig. 2
16
D. Setup
1) Position the appliance in the selected permanent location. If applicable, attach optional
4" legs or attach to an optional stand. If attaching to a stand, refer to the instructions
included with the stand.
2) Level the appliance in both the left-to-right and front-to-rear directions. If using optional
4" legs or an optional stand, adjust the legs to make the appliance level.
3) If mounting at to a counter, seal the perimeter where the appliance contacts the
counter with approved caulk compound in a smooth and easily cleanable manner.
4) Replace the panels in their correct positions.
17
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
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 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.
• Provide a safe routing for the power cord to protect it from wear, corrosion,
excessive pressure, vibration, sharp edges, or any other adverse environmental
effects.
• To reduce the risk of electric shock, make sure the control switch is in the "OFF"
position before plugging in or unplugging the appliance.
• To reduce the risk of electric shock, do not touch the control switch or plug with
damp hands.
• 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.
18
F. Water Supply and Drain Connections
See Fig. 3
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 (68 kPaG) and a maximum
of 113PSIG (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.
• 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.
• 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.
19
Fig. 3
Shut-Off Valve
Drain Valve
Water Supply Inlet
1/2" FPT
Drain Outlet 3/4" MPT
2-inch (5-cm) air gap
Floor
Drain
Separate piping to approved drain. Leave
a 2-inch (5-cm) vertical air gap between
the end of the pipe and the drain.
Minimum 3/4" Nominal ID
Hard Pipe or Equivalent
Minimum 1/4"
Nominal ID Copper
Water Tubing or
Equivalent
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" Male Pipe
Thread (MPT)
3/4" NominalID Hard Pipe 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 kPaG) and a maximum of
113 PSIG (779 kPaG). Ifthe pressure exceeds 113 PSIG (779 kPaG), 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
2 vertical inches (5 cm) must be between the end of the drain pipe from the appliance
and the oor drain.
20
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) at the rear and sides and 24" (61 cm) at the top of the
appliance for maintenance and service?
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 kPaG) and a maximum of 113 PSIG
(779 kPaG)?
8) If the appliance is mounted at to a counter, has the perimeter where the appliance
contacts the counter been sealed with approved caulk compound? If the appliance is on
a stand, has it been secured to the stand as outlined in the stand's instructions?
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.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) 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 registration been completed and submitted to the factory?
21
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.
• 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.
• If applicable, keep ventilation openings in the appliance clear of obstruction.
22
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 min. before restarting the appliance
to prevent damage to the compressor.
• At startup, conrm that all internal and external connections are free of leaks.
1) Make sure the power switch is in the "OFF" position, and the appliance is unplugged
from the electrical outlet.
2) Open the water supply line shut-off valve.
3) Remove the louver and air lter. Move the control switch to the "ICE" position. Replace
the louver and air lter in their correct positions. See Fig. 4.
Air Filter
Louver
Control Switch
Control Switch
4) Plug the appliance into the electrical outlet, then move the power switch to the "ON"
position to start the automatic icemaking process. See Fig. 5.
5) Once the appliance starts to produce ice, allow it to run for 30 min.
Power Switch
Fig. 5
Fig. 4
23
6) After 30 min., remove the louver and air lter. Move the control switch to the "OFF"
position, pause momentarily, then move the control switch to the "DRAIN" position.
Allow the water system to drain completely (you will see the water draining into the drain
pan). Move the control switch to the "OFF" position.
Note: a) A momentary pause in the "OFF" position is necessary to de-energize the
control board when moving the control switch between "DRAIN" and "ICE."
Otherwise there is a delay of several minutes before the new selection takes
effect.
b) If control switch is left in the "DRAIN" position for 10 minutes or more, a 2-beep
alarm sounds every 5 seconds. If this occurs, move the control switch out of
the "DRAIN" position to clear the alarm.
9) Dispense all of the ice from the ice storage bin. Also conrm that the water dispenser is
operating correctly.
10) Move the power switch to the "OFF" position, then unplug the appliance from the
electrical outlet.
11) Remove the top panel, then remove the bin top. Clean the ice storage bin liner and
actuator using a neutral cleaner. See Fig. 6. Rinse thoroughly after cleaning.
NOTICE! Be sure to keep the micro switch mounted on the bin top dry.
12) Place the bin top back in its correct position and secure.
Grille
Control Switch
Louver
Air Filter
Front Panel
Top Panel
Bin Top
Actuator
Fig. 6
Agitator
Dispense Drain Pan
Storage Bin
Power Cord
Micro Switch
Power Switch
Spout
12) Move the control switch to the "ICE" position. Plug the appliance into the electrical
outlet.
24
Fig. 7
Control Board
"BIN FULL" LED
"COMP" LED
"GM" LED
"POWER" LED
S2 DIP SWITCH
"ALARM" LED"SERVICE" Button
Part Number
Label: 2A9874-03
Bin Control Check
13) Move the power switch to the "ON" position to start the automatic icemaking process.
There is a delay of at least 10 seconds before the "GM" LED turns on after power-up.
Make sure the "GM" energizes. The control board "GM" LED turns on. See Fig. 7.
1 min. later, the compressor energizes. Conrm the "COMP" LED turns on.
Balance Plate
Micro Switch
Micro Switch Lever
Fig. 8
14) Lift the balance plate located on the bin top until the micro switch lever lifts and micro
switch opens. See Fig. 8. 90-second compressor shutdown timer starts. Once the
90-second compressor shutdown timer terminates, compressor de-energizes and the
60-second gear motor shutdown timer starts. Once the 60-second gear motor shutdown
timer terminates, gear motor de-energizes. Release the balance plate back to its correct
position.
15) Move the control switch to the "OFF" position, then unplug the appliance from the
electrical outlet.
16) Replace all removed parts and panels in their correct positions. If removed, on the
push-button model, reconnect the connectors (5VDC). WARNING! CHOKING
HAZARD: Ensure all components, fasteners, and thumbscrews are securely in
place. Make sure that none have fallen into the ice storage bin.
17) Plug the appliance into the electrical outlet. Move the control switch to the "ICE" position
to start the automatic icemaking process.
18) Return to "II.G.2. Post-Startup" and complete nal checklist.
25
C. 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),
and (-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),
and (-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),
and (-CB) models only.
Not used on DCM or
self-contained models.
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: CCR–compressor control relay; 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.); L LV-liquid line valve; S LV–suction
line valve; TXV–thermostatic expansion valve; UFS–upper oat switch; WV–inlet
water valve
26
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 power switch, control switch,
or plug with damp hands. Make sure the power switch is in the "OFF" position
before plugging in or unplugging the appliance.
• Before Performing Maintenance/Service: Move the power 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.
• 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.
Fig. 9
Model Shown: DCM-271BAK
Air Filter
Agitator
Top Panel
Ice Chute
Drip Ring
Front Panel
Bin Top
Ice Storage Bin
Spout
Control
Switch
Power Switch
Grille
Louver
Reservoir
Evaporator Assembly
Extruding Head
Push Button ADA
Push Buttons
Dispense Drain Pan
27
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
Bi-Weekly Air Filter 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.
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
Appliance and Ice
Storage Bin
Clean and sanitize per the cleaning and sanitizing instructions provided in
this manual.
Dispense 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 dispense drain pan and gear motor drain pan. Be careful
not to overow the dispense or gear motor drain pan. Repeat with a cup of
clean water to rinse.
Appliance Drain Check to make sure it 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: 11.1 ft-lb/15 N·m
Tighten 2 times. Allow at least 5 sec. in between each tightening.
Yearly Inlet Water Valve,
Dispense Water
Valve, and Drain
Valve
Close the water supply line shut-off valve and drain the water system. Clean
the inlet water valve and dispense water valve screens 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.
Appliance 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. See the Service Manual for
details.
28
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 in some conditions.
WARNING
• To prevent injury to individuals and damage to the appliance, do not use ammonia
type cleaners.
• Before Servicing: Move the power switch to the "OFF" position, then unplug the
appliance from the electrical outlet.
• 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.
• After cleaning and sanitizing, do not use ice made from the cleaning and sanitizing
solutions. Be careful not to leave any solution on the parts or in the ice storage
bin.
1. Cleaning Solution
Dilute 9.6 . oz. (284 ml or 19 tbs) of Hoshizaki "Scale Away" with 1.6 gal. (6.0 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. See Fig. 3.
2) Dispense all of the ice from the ice storage bin.
3) Move the power switch to the "OFF" position, then remove the louver and air lter.
See Fig. 6. Move the control switch to the "DRAIN" position, then move the power
switch to the "ON" position. Allow the water system to drain completely (you will see the
water draining into the drain pan). Move the control switch to the "OFF" position.
Note: a) When the appliance has power, a momentary pause in the "OFF" position is
necessary to de-energize the control board when moving the control switch
between "ICE" and "DRAIN." Otherwise there is a delay of several minutes
before the new selection takes effect.
b) If the control switch is left in the "DRAIN" position for 10 minutes or more, a
2-beep alarm sounds every 5 seconds. Move the control switch out of the
"DRAIN" position to clear the alarm.
4) Move the power switch to the "OFF" position, then unplug the appliance from the
electrical outlet. Remove the front panel. On the push-button model, disconnect the
connector. Next, remove the top panel.
5) Remove the bin top, then remove the agitator and drip ring.
29
6) Pour the cleaning solution over the extruding head until the evaporator assembly and
the reservoir are full and the solution starts to overow into the drain pan. Allow to soak
for 10 minutes.
Note: If there is excessive 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.
7) Remove the grille and spout.
8) Scrub the inside of the ice storage bin, inside of the bin top, the agitator, drip ring, ice
chute area, spout, grille, and the inside of the drain pan using a nylon scouring pad,
brushes, and cleaning solution. Rinse all parts thoroughly with clean water.
NOTICE! Be sure to keep the micro switch mounted on the bin top dry.
9) If you placed a clamp on the reservoir hose in step 6, remove it before operation.
10) Move the control switch to the "ICE" position. Replace the air lter, louver, drip ring,
agitator, bin top, and panels in their correct positions.
11) Plug the appliance into the electrical outlet. Move the power switch to the "ON" position.
Make ice using the solution until the appliance stops making ice.
12) Move the power switch to the "OFF" position, then remove the louver and air lter. Move
the control switch to the "DRAIN" position, then move the power switch to the "ON"
position. Allow the water system to drain completely.
13) Move the power switch to the "OFF" position, then unplug the appliance from the
electrical outlet.
14) Remove the front panel, top panel, and bin top.
15) Pour clean, warm water into the ice storage bin and melt any remaining ice. Remove the
agitator and drip ring. Rinse the inside of the ice storage bin, the agitator, and drip ring
thoroughly with clean water.
16) Pour clean, warm water over the extruding head until the evaporator assembly and the
reservoir are full and the water starts to overow into the drain pan. Plug the appliance
into the electrical outlet, then move the power switch to the "ON" position. Allow the
water system to drain completely.
Note: If you do not sanitize the appliance, move the power switch to the "OFF" position
after the water system drains. Unplug the appliance from the electrical outlet, then
replace the drip ring, grille, and spout in their correct positions. Go to step 11 in
"IV.C.5) Sanitizing Procedure - Final."
17) Move the power switch to the "OFF" position, then unplug the appliance from the
electrical outlet.
30
3. Sanitizing Solution
Dilute 0.82 . oz. (24.3 ml or 1.6 tbs) of a 7.5% sodium hypochlorite solution (chlorine
bleach) with 1.6 gal. (6.0 l) of warm water. This is a minimum amount. Make more solution
ifnecessary. IMPORTANT! For safety and maximum effectiveness, use the solution
immediately after dilution.
4. Sanitizing Procedure - Initial
1) Make sure the power switch is in the "OFF" position, the appliance is unplugged, and
the water supply line shut-off valve is closed.
2) Pour the sanitizing solution over the extruding head until the evaporator assembly and
the reservoir are full and the solution starts to overow into the drain pan. Allow to soak
for 10 minutes.
3) Scrub the inside of the ice storage bin, inside of the bin top, the agitator, drip ring, ice
chute area, spout, grille, and the inside of the drain pan using a nylon scouring pad,
brushes, and sanitizing solution. Rinse all parts thoroughly with clean water.
NOTICE! Be sure to keep the switch mounted on the bin top dry.
4) Move the control switch to the "ICE" position. Replace the air lter, louver, drip ring,
agitator, bin top, grille, spout, and panels in their correct positions.
5) Plug the appliance into the electrical outlet. Move the power switch to the "ON" position.
Make ice using the solution until the appliance stops making ice.
6) Move the power switch to the "OFF" position, then unplug the appliance from the
electrical outlet.
7) Remove the front panel, top panel, and bin top.
8) Pour clean, warm water into the ice storage bin and melt any remaining ice.
9) Remove the louver and air lter. Plug the appliance into the electrical outlet. Move the
control switch to the "DRAIN" position, then move the power switch to the "ON" position.
Allow the water system to drain completely.
10) Move the power switch to the "OFF" position, then unplug the appliance from the
electrical outlet.
5. Sanitizing Procedure - Final
1) Dilute 0.82 . oz. (24.3 ml or 1.6 tbs) of a 7.5% sodium hypochlorite solution (chlorine
bleach) with 1.6 gal. (6.0 l) of warm water. This is a minimum amount. Make more
solution ifnecessary. IMPORTANT! For safety and maximum effectiveness, use the
solution immediately after dilution.
2) Make sure the power switch is in the "OFF" position, the appliance is unplugged, and
the water supply line shut-off valve is closed.
3) Remove the agitator. Pour the sanitizing solution over the extruding head until the
evaporator assembly and the reservoir are full and the solution starts to overow into
the drain pan. Allow to soak for 10 minutes.
31
4) Move the control switch to the "ICE" position. Replace the air lter, louver, agitator, bin
top, and panels in their correct positions.
5) Plug the appliance into the electrical outlet. Move the power switch to the "ON" position.
Make ice using the solution until the appliance stops making ice.
6) Move the power switch to the "OFF" position, then remove the louver and air lter. Move
the control switch to the "DRAIN" position, then move the power switch to the "ON"
position. Allow the water system to drain completely.
7) Move the power switch to the "OFF" position, then unplug the appliance from the
electrical outlet.
8) Remove the front panel, top panel, and bin top.
9) Pour clean, warm water into the ice storage bin and melt any remaining ice. Remove the
agitator. Pour clean, warm water over the extruding head until the evaporator assembly
and the reservoir are full and the water starts to overow into the drain pan. Plug the
appliance into the electrical outlet, then move the power switch to the "ON" position.
Allow the water system to drain completely.
10) Move the power switch to the "OFF" position, then unplug the appliance from the
electrical outlet.
11) Move the control switch to the "ICE" position. Replace the air lter, louver, agitator, bin
top, and panels in their correct positions.
12) Open the water supply line shut-off valve to supply water to the reservoir. Plug the
appliance into the electrical outlet. Move the power switch to the "ON" position to start
the automatic icemaking process. Allow the appliance to run for 30 minutes.
13) Move the power switch to the "OFF" position, then remove the louver and air lter. Move
the control switch to the "DRAIN" position, then move the power switch to the "ON"
position. Allow the water system to drain completely.
14) Dispense all of the ice from the ice storage bin.
15) Move the power switch to the "OFF" position, then unplug the appliance from the
electrical outlet.
16) Remove the front panel, top panel, and bin top. Remove the agitator and drip ring.
17) Wipe down the inside of the ice storage bin, inside of the bin top, the agitator, and drip
ring with a clean cloth.
18) Move the control switch to the "ICE" position. Replace the air lter, louver, drip ring,
agitator, bin top, and panels in their correct positions. On the push-button model,
reconnect the connector. WARNING! CHOKING HAZARD: Ensure all components,
fasteners, and thumbscrews are securely in place. Make sure that none have
fallen into the ice storage bin.
19) Plug the appliance into the electrical outlet, then move the power switch to the "ON"
position to start the automatic icemaking process.
32
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. Remove the ice from the ice storage bin, drain the water system, and remove the
water from the appliance water supply line:
1) Close the water supply line shut-off valve and open the water supply line drain valve.
2) Dispense all of the ice from the storage bin.
3) Move the power switch to the "OFF" position, then remove the louver and air lter. See
Fig. 9. Move the control switch to the "DRAIN" position, then move the power switch to
the "ON" position. Allow the water system to drain completely (you will see the water
draining into the drain pan).
Note: a) When the appliance has power, a momentary pause in the "OFF" position is
necessary to de-energize the control board when moving the control switch
between "ICE" and "DRAIN." Otherwise there is a delay of several minutes
before the new selection takes effect.
b) If the control switch is left in the "DRAIN" position for 10 minutes or more, a
2-beep alarm sounds every 5 seconds. Move the control switch out of the
"DRAIN" position to clear the alarm.
4) Attach a compressed air or carbon dioxide supply to the water supply line drain valve.
5) While engaging the water dispense switch, blow out the water dispense valve using the
compressed air or carbon dioxide supply. After blowing out the water dispense valve,
leave the compressed air or carbon dioxide supply owing. Move the control switch
to the "ICE" position to open the inlet water valve and briey blow out the valve. After
blowing out the inlet water valve, move the power switch to the "OFF" position.
6) Close the water supply line drain valve.
7) Unplug the appliance from the electrical outlet.
8) Remove the front panel. On the push-button model, disconnect the connector. Remove
the top panel and bin top. Clean the storage bin liner and the inside of the bin top
using a neutral cleaner. Rinse thoroughly after cleaning. NOTICE! Be sure to keep the
switch mounted on the bin top dry. Dry the storage bin liner and the inside of the bin
top using a clean cloth.
9) Replace the air lter, louver, bin top, and panels in their correct positions. On the
push-button model, reconnect the connectors. WARNING! CHOKING HAZARD:
Ensure all components, fasteners, and thumbscrews are securely in place. Make
sure that none have fallen into the storage bin.
33
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.
618 Hwy. 74 South, Peachtree City, GA 30269 USA (P) 770.487.2331 (F) 770.487.3360 hoshizakiamerica.com 1A7155-013
