Instruction Manual
Issued: 12-13-2024
Revised: 2-10-2025
hoshizakiamerica.com
Self-Contained Cuber
Models
AM-50BAK
AM-50BAK-DS
AM-50BAK-AD
AM-50BAK-ADDS
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, or
maintenance should be undertaken until the technician has thoroughly read this
Instruction Manual. No service should be undertaken until the technician has
thoroughly read the service manual available at www.hoshizakiamerica.com.
Likewise, the owner/manager should not proceed to operate the appliance until the
installer has instructed them on its proper operation. Failure to install, operate, and
maintain the appliance in accordance with this manual will adversely affect safety,
performance, component life, and warranty coverage and may result in costly water
damage. Proper installation is the responsibility of the installer. Product failure or
property damage due to improper installation is not covered under warranty.
Hoshizaki provides this manual primarily to assist qualied service technicians in the
installation, operation, maintenance, and service of the appliance.
Should the reader have any questions or concerns which have not been satisfactorily
addressed, please call, send an e-mail message, or write to the Hoshizaki Technical
Support Department for assistance.
Phone: 1-800-233-1940; (770) 487-2331
E-mail: tech-suppor[email protected]
618 Highway 74 South
Peachtree City, GA 30269
Attn: Hoshizaki Technical Support Department
NOTE: To expedite assistance, all correspondence/communication MUST include the
following information:
• Model Number
• Serial Number
• Complete and detailed explanation of the problem.
3
CONTENTS
Important Safety Information ................................................................................................. 4
I. Specications ...................................................................................................................... 9
A. Construction .................................................................................................................. 9
B. Electrical and Refrigerant Data ................................................................................... 10
C. Dimensions/Connections .............................................................................................11
1. AM-50BAK ............................................................................................................... 11
2. AM-50BAK-DS ....................................................................................................... 12
3. AM-50BAK-AD ....................................................................................................... 13
4. AM-50BAK-ADDS .................................................................................................. 14
II. Installation Instructions .................................................................................................... 15
A. Location ...................................................................................................................... 15
1. General .................................................................................................................. 15
2. Built-In Installation Site .......................................................................................... 17
B. Checks Before Installation ........................................................................................... 18
C. Door ............................................................................................................................ 19
1. AM-50BAK, AM-50BAK-AD .................................................................................... 19
2. AM-50BAK-DS, AM-50BAK-ADDS ........................................................................ 21
D. Setup ........................................................................................................................... 28
E. Electrical Connection .................................................................................................. 29
F. Water Supply and Drain Connections .......................................................................... 30
G. Final Checklist ............................................................................................................ 32
1. Pre-Startup ............................................................................................................. 32
2. Post-Startup ........................................................................................................... 32
III. Operating Instructions ..................................................................................................... 33
A. Important Notes About Usage ..................................................................................... 33
B. Startup and Bin Control Check .................................................................................... 34
C. Optional Drain Pump HS-5061 .................................................................................... 36
IV. Maintenance ................................................................................................................... 37
A. Maintenance Schedule ................................................................................................ 37
B. Cleaning and Sanitizing Instructions ........................................................................... 38
C. Ice Storage Bin Drain .................................................................................................. 42
D. Condenser ................................................................................................................... 43
V. Preparing the Appliance for Periods of Non-Use ............................................................. 44
VI. Decommissioning and Disposal ..................................................................................... 45
IMPORTANT
This manual should be read carefully before the appliance is installed and
operated. Read the warnings and guidelines contained in this booklet carefully as
they provide essential information for the continued safe use and maintenance of
the appliance. Retain this booklet 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
• If using the optional drain pump
(HS-5061), test its operation every time
the appliance is cleaned and sanitized.
See "III.C. Optional Drain Pump HS-5061"
for details. If the optional drain pump is
not operating properly, water could back
up and overow, leading to costly water
damage.
• 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. Construction
Top Panel
Ice Making
Mechanism
Scoop Holder
Front Panel
Control Switch
Louver
Bin Control
Thermistor
Slope
Door
Power Cord
10
B. 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 AM-50BAK
AM-50BAK-DS
AM-50BAK-AD
AM-50BAK-ADDS
AC SUPPLY VOLTAGE ~115/60/1 ~115/60/1
AMPERES 2.2 2.2
DESIGN PRESSURE kPa (PSI) HI-3123 (453) LO-1310 (190) HI-3123 (453) LO-1310 (190)
REFRIGERANT g (oz.) R-290 65 (2.3) R-290 57 (2.0)
CLIMATIC CLASS 5 5
INSULATION BLOWING GAS HFO 1233zd(E) HFO 1233zd(E)
MINIMUM ROOM FLOOR AREA m² (ft² ) 3.1 (33.5) 2.7 (29.4)
HARVEST RATE ≤1,000 LB/DAY (BATCH) ≤1,000 LB/DAY (BATCH)
IP RATING IPX4 IPX4
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 95°F (7°C to
35°C). Operation of the appliance, for extended periods, outside of these normal
tempereature ranges may affect appliance performance.
11
C. Dimensions/Connections
1. AM-50BAK
Units: mm [in.]
12
2. AM-50BAK-DS
Units: mm [in.]
13
3. AM-50BAK-AD
Units: mm [in.]
14
4. AM-50BAK-ADDS
Units: mm [in.]
15
II. Installation Instructions
WARNING
• This appliance must be installed in accordance with applicable national, state,
and local codes and regulations.
• This appliance to be installed in accordance with the Safety Standard for
Refrigeration Systems ANSI/ASHRAE 15.
• Failure to install, operate, and maintain the appliance in accordance with this
manual will adversely affect safety, performance, component life, and warranty
coverage and may result in costly water damage.
• CHOKING HAZARD: Ensure all components, fasteners, and thumbscrews are
securely in place after installation. Make sure that none have fallen into the ice
storage bin.
A. Location
1. General
This appliance is approved for indoor or outdoor use.
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)
AM-50BAK(-DS) 65 (2.3) 3.1 (33.5)
AM-50BAK-AD(-ADDS) 57 (2.0) 2.7 (29.4)
≥ Area m
2
(ft
2
) (see "Minimum Room Floor Area" above)
≥ Supercie m
2
(pi
2
) (voir « Supercie Minimale du Local » ci-dessus)
16
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
• 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.
17
AM-50BAK
AM-50BAK-DS
Min. 34"
(864 mm)
AM-50BAK-AD
AM-50BAK-ADDS
Min. 32"
(814 mm)
Min. 15"
(381 mm)
Between Two Cabinets Between a Cabinet and
the End of a Counter
Support: Do not
let the weight
of the counter
rest on the
appliance
Min. 23"
(584 mm)
Oven
Appliance
Between a Cabinet and
a Wall or Tall Cabinet
In a Corner
Secure: Do not
let the weight
of the counter
rest on the
appliance
Min. 15"
(381 mm)
AM-50BAK
AM-50BAK-DS
Min. 34"
(864 mm)
AM-50BAK-AD
AM-50BAK-ADDS
Min. 32"
(814 mm)
2. Built-In Installation Site
NOTICE
• Do not let the weight of the counter rest on the appliance.
• Do not install the appliance in a corner where the door will interfere with other
equipment or where the appliance cannot be pulled out for service.
Installation Space
Model Height Width Depth
AM-50BAK
AM-50BAK-DS
34" (864 mm) minimum
15" (381 mm) minimum 24" (610 mm) minimum
AM-50BAK-AD
AM-50BAK-ADDS
32" (814 mm) minimum
18
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.
• 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.
• See the rating label on the rear panel or the nameplate inside the bin area, and check
that your voltage supplied corresponds with the voltage specied on the rating label/
nameplate.
19
C. Door
1. AM-50BAK, AM-50BAK-AD
a) Door Reversal
If you would like to reverse the door swing, follow the steps below. Otherwise, skip to
section "II.D. Setup."
1) While maintaining a hold on the door, remove the hinge stop pin from hinge (B). Pull out
the bottom of the door slightly and gently remove the door from hinge (A). See Fig. 1.
3) Remove hinge (A) and the bracket from the right side of the unit and the top brace from
the left side. Rotate hinge (A) to position the gasket notch to the inside, then fasten
hinge (A) and the bracket to the left side and the top brace to the right side. See Fig. 3.
Fig. 2
Hinge (A)
Hinge Stop Pin
Hinge (B)
Screws
Fig. 3
Top Panel
Hinge (A)
Bracket
Screw
Top Brace
Gasket Notch
Screw
2) Remove the 2 screws securing the top panel, then lift it off. See Fig. 2.
Fig. 1
20
4) Remove hinge (B) from the right side of the unit and the 2 ller screws from the left side.
Attach the 2 ller screws to the right side and attach hinge (B) to the left side. See Fig. 4.
5) Rotate the top panel 180° from its previous position. This brings the notch that was
previously in the right rear to the left front. See Fig. 5. Hook the rear part of the panel on
the body, then secure the front with the 2 screws removed in step 2.
6) Remove the 2 screws attaching the door handle and also remove the other 2 screws
indicated in the illustration. Use 2 of the screws to attach the handle to the other side of
the door and attach the other 2 screws in the remaining 2 holes. See Fig. 6.
7) Attach the door to hinge (A), then continue to maintain a hold on the door. Screw the
hinge stop pin into hinge (B) until it is tight. See Fig. 7.
Notch
Top Panel
Fig. 4
Fig. 5
Hinge (B)
Filler
Screws
Screws
Hinge Stop Pin
Hinge (B)
Door
Handle
Screws
Fig. 6
Fig. 7
Door
Upper Left Side Door
Handle Mounting Holes
21
1
2 3
4
6
5
2. AM-50BAK-DS, AM-50BAK-ADDS
a) Overlay Panel Fabrication and Attachment
IMPORTANT
The overlay panel must be crafted by a professional cabinet maker to ensure quality
results.
(1) Parts
Ensure that all parts required for the overlay panel assembly are contained in the
accessories bag.
Overlay Panel Parts
No. Description Part Number Qty.
1 Threaded Wood Insert 4A4004-01 6
2 T2 Screw 4×8 SS 7P32-0408 3
3 Pan Head Screw M4×25 SS 7C12-0425 4
4 Truss Head Screw M4×8 SS 7C32-0408 2
5 Canoe Clip 4A5835-01 2
6 Sheet Metal Bracket 4A3998-01 1
22
(2) Overlay Panel Specication
Use the specication that applies to your appliance (AM-50BAK-DS or
AM-50BAK-ADDS) and the directions that follow to prepare your overlay panel.
(a) AM-50BAK-DS
AM-50BAK-DS Overlay Panel Specication
Overlay Panel Height 29 17/32" (750 mm)
Overlay Panel Width 14 13/16" (376 mm)
Overlay Panel Thickness 5/8" (16 mm) minimum; 3/4" (19 mm) maximum
Overlay Panel and Door Weight (total) 20 lb. (9 kg) maximum
23
(
)
(
)
(
)
(
)
(
)
(
)
(
)
AM-50BAK-ADDS Overlay Panel Specication
Overlay Panel Height 27 9/16" (700 mm)
Overlay Panel Width 14 13/16" (376 mm)
Overlay Panel Thickness 5/8" (16 mm) minimum; 3/4" (19 mm) maximum
Overlay Panel and Door Weight (total) 20 lb. (9 kg) maximum
(b) AM-50BAK-ADDS
24
3) Screw the 6 threaded wood inserts into the 1/4" holes drilled in the previous step. Make
sure that the inserts are threaded straight and that the tops of the inserts are ush to
the overlay panel surface. Otherwise, the overlay panel cannot be properly fastened to
the door.
4) Mount the door handle hardware. Hoshizaki recommends that the door handle hardware
be mounted on the edge opposite of the door hinge side (optional hinge reversal is
covered in step 6). Countersunk screw heads are required to ensure that the hardware
fasteners do not interfere with the overlay panel tting ush with the door.
5) While maintaining a hold on the door, remove the hinge stop pin from hinge (B). Pull out
the bottom of the door slightly and gently remove the door from hinge (A). See Fig. 10.
If you are leaving the door right-hinged, skip to step 7. If you would like to reverse the
door swing, proceed to step 6.
(3) Fabrication of Overlay Panel
Fabricate the overlay panel as outlined in the applicable specication on the previous
pages and the instructions below.
1) Rout a channel at the bottom of the overlay panel to the proper dimensions. See "(C)
Routed Area" in the specication diagram and Fig. 8.
2) Drill six 1/4" diameter (hardwood may require slightly larger diameter) holes 3/8"
(10 mm) deep in the locations designated. NOTICE! Use care when drilling holes for
mounting hardware. All drilled holes must be straight and drilled to the correct
diameter and depth. See "(A) Threaded Inserts" and "(B) Threaded Inserts" in the
specication diagram and Fig. 9.
Routed Channel
Holes
Holes
Fig. 8
Fig. 9
Fig. 10
Hinge Stop Pin
Hinge (B)
Hinge (A)
25
Screws
f) Remove hinge (C1) from the top right part of the door, ip it and reattach to the
bottom left. Remove hinge (C2) from the bottom right part of the door, ip it and
reattach to the top left. See Fig. 15. Proceed to step 7.
d) Remove hinge (B) from the right side of the unit and the 2 ller screws from the left
side. Attach the 2 ller screws to the right side and attach hinge (B) to the left side.
See Fig. 13.
e) Rotate the top panel 180° from its previous position. This brings the notch that was
previously in the right rear to the left front. See Fig. 14. Hook the rear part of the
panel on the body, then secure the front with the 2 screws removed in step 6b.
6) If you would like to reverse the door swing, do the following:
a) Contact your local distributor to purchase Hoshizaki Kit HS-0229. The kit contains
"hinge (A)-left."
b) Remove the 2 screws securing the top panel, then lift it off. See Fig. 11.
c) Remove hinge (A)-right and the bracket from the right side of the unit. Set aside
hinge (A)-right; it is not needed. Remove the top brace from the left side. Fasten
hinge (A)-left and the bracket to the left side and the top brace to the right side.
SeeFig. 12.
Note: When on the proper side, the gasket notch for hinge (A) is to the inside.
Fig. 11
Fig. 13
Hinge (B)
Filler
Screws
Notch
Top Panel
Fig. 14
Top Panel
Fig. 12
Hinge (A)-Left
Bracket
Screw
Top Brace
Gasket Notch
Screw
Hinge (C1)
Hinge (C2)
Fig. 15
Hinge (A)-Right
Not Needed
Screws
Screws
Screws
26
9) Temporarily fasten the overlay panel to the door using 2 of the M4×25 pan head screws
provided. NOTICE! Ensure that the back surface of overlay panel is at before
attaching. See Fig. 18.
10) Mark the centerpoint of the hinge (C1) and hinge (C2) holes that extend over the
overlay panel. See Fig. 19.
7) Remove the bushings from hinge (C1) and hinge (C2) (the hinges attached to the door).
See Fig. 16.
8) Remove the gasket from the door. See Fig. 17.
Gasket
Screws
Mark the center point.
Overlay Panel
Door
Hinge
Bushing
Fig. 16
Fig. 17
11) Remove the overlay panel from the door.
12) Drill 3/8" diameter holes 1/4" (7 mm) deep where you marked on the overlay panel to
accommodate the hinge (C1) and hinge (C2) bushings.
Fig. 18 Fig. 19
Hinge
27
Snug the screws,
but do not tighten.
Sheet Metal Bracket
Overlay Panel
Tighten the screws.
5) Fasten the overlay panel to the door using the four M4×25 pan head screws provided.
Snug the screws, but do not tighten. See Fig. 24.
6) Fasten the sheet metal bracket to the bottom of the door with the three T2 screws
provided. Tighten the screws to the door. See Fig. 25.
3) Adjust the sheet metal bracket so that it is ush with the bottom of the door. See Fig. 22.
4) Remove the overlay panel from the door and tighten the two M4×8 truss head screws
securing the sheet metal bracket to the overlay panel. See Fig. 23.
(4) Attachment of Overlay Panel to Door
1) Fasten the sheet metal bracket to the overlay panel using the two M4×8 truss head
screws provided. Snug the screws, but do not tighten. See Fig. 20.
2) Temporarily fasten the overlay panel to the door using 2 of the M4×25 pan head screws
provided. See Fig. 21.
Sheet Metal Bracket
Sheet Metal Bracket
Screws
Overlay Panel
Door
Screws
Fig. 20 Fig. 21
Overlay Panel
Snug the screws,
but do not tighten.
Sheet Metal Bracket
Fig. 22 Fig. 23
Fig. 24 Fig. 25
28
7) Tighten the four M4×25 pan head screws installed in step 5. See Fig. 26.
8) Replace the door gasket in its proper orientation. Reinsert the bushings into hinge (C1)
and hinge (C2) (the hinges attached to the door). See Fig. 27.
Canoe Clips
Fig. 26
Tighten the screws.
Bushing
Bushing
Gasket
Fig. 27
9) Attach the door to hinge (A), then continue to maintain a hold on the door. Screw the
hinge stop pin into hinge (B) until it is tight. See Fig. 28.
10) Insert the 2 canoe clips included in the accessory bag into the holes on top of the door.
See Fig. 29.
Hinge Stop Pin
Hinge (B)
Fig. 28 Fig. 29
Door
D. Setup
1) Position the appliance in the selected permanent location.
2) Level the appliance from side-to-side and front-to-rear by adjusting the feet.
29
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 severe damage to equipment.
• This 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: This 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 follow these instructions may result in death, electric
shock, or re.
• Do not use an extension cord.
• 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 ±10 percent of the nameplate rating.
• For optional drain pump (HS-5061) installation, refer to the instructions included with
the pump.
30
F. Water Supply and Drain Connections
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 (68.9 kPa) and a maximum
of 113PSIG (779.1 kPa). If the pressure exceeds 113 PSIG (779.1 kPa), the use
of a pressure reducing valve is required.
• To prevent damage to the appliance, do not operate the appliance when the
water supply is off, or if the pressure is below 10 PSIG (68.9 kPa). Do not run the
appliance until the proper water pressure is reached.
• 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 1/2" 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.
• If using the optional drain pump (HS-5061), test its operation every time the
appliance is cleaned and sanitized. See "III.C. Optional Drain Pump HS-5061" for
details. If the optional drain pump is not operating properly, water could back up
and overow, leading to costly water damage.
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
1/2" Female Pipe
Thread (FPT)
1/2" Nominal ID Hard Pipe
or Equivalent
• A plumbing permit and services of a licensed plumber may be required in some areas.
• A minimum of 1/4" nominal ID copper water tubing or equivalent is required for the
water supply line.
• Water supply inlet is 1/2" female pipe thread (FPT).
• A water supply line shut-off valve and drain valve must be installed.
• Be sure there is sufficient extra water supply line and drain line for the appliance to be
pulled out for service.
31
Fig. 30
Water Supply Line
Shut-Off Valve
Water Supply Line
Drain Valve
Water Supply Inlet
1/2" FPT
Drain Outlet
1/2" FPT
Piping to approved drain. Leave a
2-inch (5-cm) vertical air gap between
the end of the pipe and the drain.
2-inch (5-cm)
air gap
Floor
Drain
Vented Tee Connection
Extend the vent at least
12" (30 cm) above the
drain outlet.
Minimum 1/4" Nominal ID
Copper Water Tubing or
Equivalent
Minimum 1/2"
Nominal ID Hard Pipe
or Equivalent
• Water supply pressure must be a minimum of 10 PSIG (68.9 kPa) and a maximum
of 113 PSIG (779.1 kPa). Ifthe pressure exceeds 113 PSIG (779.1 kPa), the use of a
pressure reducing valve is required.
• Drain outlet is 1/2" FPT. A minimum of 1/2" 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 drain line for
the unit to be pulled out for service.
• 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.
• For gravity drain installation, drain must have 1/4" fall per foot (2 cm per 1 m) on
horizontal runs to get good ow. A vented tee connection is also required for proper
ow. Extend the vent at least 12" (30 cm) above the drain outlet.
• For optional drain pump (HS-5061) installation, refer to the instructions included with
the pump.
32
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 95°F (7°C to 35°C) all year around?
3) Have the shipping carton, tape, and packing material been removed from the
appliance? Hasthe protective plastic lm been removed from the panels?
4) Have all electrical and water connections been made? Do electrical and water
connections meet all national, state, and local code and regulation requirements?
5) 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?
6) Are the water supply and drain lines sized as specied? Are the water supply line
shut-off valve and drain valve installed? Has the water supply pressure been checked to
ensure a minimum of 10 PSIG (68.9 kPa) and a maximum of 113 PSIG (779.1 kPa)?
7) 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?
8) 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) If the optional drain pump (HS-5061) is installed, has the drain pump 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?
33
III. Operating Instructions
R-290 Class A3 Flammable Refrigerant Used
DANGER
Risk of Fire or Explosion Flammable Refrigerant Used
• Be sure to follow all Important Safety Information located at the beginning of this
manual.
• Failure to install, operate, and maintain the appliance in accordance with this manual
will adversely affect safety, performance, component life, and warranty coverage and
may result is costly water damage.
• Keep clear of obstruction all ventilation openings in the appliance enclosure or in the
structure for building-in.
Risque D'Incendie ou D'Explosion. Fluide Frigorigène Inammable Utilisé.
• Veillez à respecter toutes les consignes de sécurité importantes gurant au début de
ce manuel.
• Le fait de ne pas installer, utiliser et entretenir l'appareil conformément à ce manuel
aura des conséquences négatives sur la sécurité, les performances, la durée de vie
des composants et la couverture de la garantie, et peut entraîner des dégâts des
eaux coûteux.
• Ne pas obstruer les ouvertures de ventilation dans l'enceinte de l'appareil ou dans la
structure d'encastrement.
A. Important Notes About Usage
NOTICE
• Protect the oor when moving the appliance to prevent damage to the oor.
• If using the optional drain pump (HS-5061), test its operation every time the appliance
is cleaned and sanitized. See "III.C. Optional Drain Pump HS-5061" for details. Ifthe
optional drain pump is not operating properly, water could back up and overow,
leading to costly water damage.
• 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.
34
Water Tank
Drain
Suction Tube
Tabs
Fig. 31 Fig. 32
Suction Tube
Tabs
B. Startup and Bin Control Check
WARNING
• All parts are factory-adjusted. Improper adjustments may adversely affect safety,
performance, component life, and warranty coverage.
• To reduce the risk of electric shock, do not touch the power switch, control switch,
or plug (on corded models) with damp hands. If you have to slide the appliance
back for a built-in installation, make sure you do not damage or pinch the water
supply line, drain line, or power cord.
NOTICE
• If the appliance is turned off, wait for at least 3 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) Open the water supply line shut-off valve.
2) Make sure the control switch is in the "OFF" position. Plug the unit into the electrical
outlet. WARNING! To reduce the risk of electric shock, do not touch the control
switch or plug with damp hands. If you have to slide the unit back for a built-in
installation, make sure you do not damage or pinch the water supply line, drain
line, or power cord.
3) If required by sanitation code in your area, seal the perimeter where the machine
touches the oor with approved caulk compound in a smooth and easily cleanable
manner.
4) If installing optional drain pump HS-5061, continue to "III.C. Optional Drain Pump
HS-5061." If not, continue to step 5.
5) Move the control switch to the "ICE" position to start the automatic icemaking process.
Allow the appliance to operate for 2 minutes. This allows time for the water tank to ll.
6) Move the control switch to the "OFF" position.
7) Inside the ice storage bin, disconnect the suction tube by squeezing the tabs and
pulling the tube clear. See Fig. 31. Allow the water tank to drain.
8) Reconnect the suction tube as illustrated. See Fig. 32. Make sure the tabs lock into
place; a loose tting may cause a water leak.
9) Clean the ice storage bin liner, door liner, and door gasket using a neutral cleaner.
Rinse thoroughly after cleaning.
35
10) Move the control switch to the "ICE" position to start the automatic icemaking process.
11) During the rst 5 minutes of the freeze cycle (compressor energized), conrm
bin control operation by holding ice in contact with the bin control thermistor. See
Fig. 33. The appliance shuts down within 30 sec. Remove the ice. After 30 sec. the
appliance restarts the automatic icemaking process.
12) Return to "II.G.2. Post Startup."
Bin Control
Thermistor
Fig. 33
36
C. Optional Drain Pump HS-5061
If the optional drain pump (HS-5061) is installed, test its operation at least twice a year
as outlined below. Note that the pump has power even when the control switch is in the
"OFF" position.
NOTICE
If the optional drain pump is not operating properly, it will adversely affect
performance, component life, and warranty coverage and may result in costly water
damage.
1) Move the control switch to the "OFF" position, then unplug the appliance from the
electrical outlet. WARNING! To reduce the risk of electric shock, do not touch the
control switch or plug with damp hands.
2) Remove all ice from the ice storage bin.
3) Plug the appliance back in.
4) Slowly pour 24 to 30 oz. (710 to 890 ml) of water over the ice storage bin drain hole in
the ice storage bin.
5) If water pumps out properly and the drain pump then de-energizes, proceed to step 6.
If water does not pump out properly and/or the drain pump does not de-energize, the
appliance must be serviced by a qualied service technician before proceeding.
6) Move the control switch to the "ICE" position.
7) Pour another 24 to 30 oz. (710 to 890 ml) of water into the appliance's ice storage bin,
then completely restrict the discharge hose while the drain pump is operating.
See Fig.34. Pour more water into the appliance's ice storage bin until the appliance
turns off. The drain pump will continue to operate. Check for leaks.
8) Remove the discharge hose restriction and allow the water to be pumped out normally.
Power to the appliance will be restored when the water in the drain pump returns to a
normal level.
9) If the appliance fails to turn off with the discharge hose restricted or the pump fails to
pump out the water, the appliance must be serviced by a qualied service technician.
10) Return to "III.B. Startup step 5."
Fig. 34
Discharge Hose
37
IV. Maintenance
This 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
• Only qualied service technicians should service this appliance.
• Failure to install, operate, and maintain the appliance in accordance with this
manual will adversely affect safety, performance, component life, and warranty
coverage.
• Move the control switch to the "OFF" position and unplug the appliance from the
electrical outlet before servicing.
• To reduce the risk of electric shock, do not touch the control switch or plug with
damp hands.
• CHOKING HAZARD: Ensure all components, fasteners, and thumbscrews are
securely in place after any maintenance is performed. Make sure that none have
fallen into the ice storage bin.
• After service, make sure that there are no wires pinched between the panels and
appliance. Make sure you do not damage or pinch the water supply line, drain
line, or power cord.
A. Maintenance Schedule
The 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
Weekly Scoop Clean the scoop using a neutral cleaner. Rinse thoroughly after cleaning.
Monthly External Water
Filters
Check for proper pressure and change if necessary.
Appliance Exterior Wipe down with 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 cleaner like Zud or Bon Ami.
Every 3
Months
Ice Storage Bin
Drain
Maintain as outlined in "IV.C. Ice Storage Bin Drain."
Yearly Appliance and Ice
Storage Bin
Clean and sanitize per the cleaning and sanitizing instructions provided in
this manual. See "IV.B. Cleaning and Sanitizing Instructions."
Optional Drain
Pump (HS-5061)
Test as outlined in "III.C. Optional Drain Pump HS-5061."
Water Supply Inlet Close the appliance water supply line shut-off valve and drain the water
system. Clean the water supply inlet screen.
Condenser Inspect. Clean if necessary. See "IV.D. Condenser."
Water Hoses Inspect the water hoses and clean/replace if necessary.
38
B. Cleaning and Sanitizing Instructions
This appliance must be cleaned and sanitized at least once a year. More frequent
cleaning and sanitizing may be required in some water conditions.
WARNING
• To prevent injury to individuals and damage to the appliance, do not use ammonia
type cleaners.
• Carefully follow any instructions provided with the bottles of cleaning and
sanitizing solution.
• Always wear liquid-proof gloves and goggles to prevent the cleaning and sanitizing
solutions from coming into contact with skin or eyes.
• After cleaning and sanitizing, be careful not to leave any solution in the appliance.
1. Cleaning Solution
Dilute 5 . oz. (148 ml or 10 tbs) of Hoshizaki "Scale Away" with 1gallon (3.8 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) Remove all ice from the evaporator and the ice storage bin.
Note: To remove cubes on the evaporator, move the control switch to the "OFF" position
and then move it back to the "ICE" position after 3 minutes. The harvest cycle
starts and the cubes will be removed from the evaporator.
2) Move the control switch to the "OFF" position.
3) Inside the ice storage bin, disconnect the suction tube by squeezing the tabs and
pulling the tube clear. See Fig. 35. Allow the water tank to drain.
4) Reconnect the suction tube as illustrated. See Fig. 36. Make sure the tabs lock into
place; a loose tting may cause a water leak.
Water Tank
Drain
Suction Tube
Tabs
Fig. 35 Fig. 36
Suction Tube
Tabs
39
5) Slowly pour the cleaning solution into the water tank.
6) Move the control switch to the "WASH" position.
7) Allow the cleaning solution to circulate for 30 minutes, then move the control switch to
the "OFF" position.
8) Disconnect the suction tube. Allow the water tank to drain, then reconnect the suction
tube.
9) Move the control switch to the "ICE" position and allow the appliance to operate for
2 minutes. This allows the water tank to ll with water.
10) Move the control switch to the "WASH" position.
11) Allow the water to circulate for 5 minutes, then move the control switch to the "OFF"
position.
12) Disconnect the suction tube. Allow the water tank to drain, then reconnect the suction
tube.
13) Repeat steps 9 through 12 three more times to rinse thoroughly.
3. Sanitizing Solution
Dilute 0.34 . oz. (10.1 ml or 0.68 tbs) of a 7.5% sodium hypochlorite solution (chlorine
bleach) with 1 gallon (3.8 l) of warm water. This is a minimum amount. Make more
solution if necessary. Using a chlorine test strip or other method, conrm that you have a
concentration of about 200 ppm. IMPORTANT! For safety and maximum effectiveness,
use the solution immediately after dilution.
4. Sanitizing Procedure
1) Make sure the control switch is in the "OFF" position and the ice storage bin is empty.
2) Remove the slope from the ice storage bin by carefully bending it in the center and
releasing it from the 2 slope shafts. See Fig. 37.
3) Remove each separator by lifting it to the horizontal position and pushing it hard inward.
See Fig. 38.
Separator
Slope
Fig. 37
Fig. 38
Slope Shafts
40
4) Disconnect the suction tube. Allow the water tank to drain.
5) Spread out the tabs to unlock the water tank, then slide it out. See Fig. 39.
6) Lift the ice chute up from the left and right brackets. See Fig. 40.
Ice Chute
Ta b Ta b
Fig. 39 Fig. 40
Water Tank
7) Disconnect the discharge tube from the spray assembly, then slide out the spray
assembly. See Fig. 41.
8) Remove the two caps. See Fig. 42.
Reducing Pipe
Rail
Rail
Fig. 43 Fig. 44
Discharge Tube
Spray Assembly
Fig. 41 Fig. 42
Right BracketLeft Bracket
Caps
Discharge Tube
Caps
9) Soak all of the removed parts and the scoop in the sanitizing solution for 10 minutes. If
the spray assembly nozzles are clogged, clean them with a wire or a suitable brush.
10) Rinse the parts thoroughly with clean water.
11) Ret the 2 caps in their correct positions. Make sure the reducing pipe is in place in the
center. See Fig. 43.
12) Slide in the spray assembly along the rails on the left and right brackets. See Fig. 44.
Connect the discharge tube securely to the spray assembly; a loose tting may cause a
water leak.
Right BracketLeft Bracket
41
13) Position and lock the ice chute onto the left and right brackets by pushing the ice chute
down until it clicks onto both brackets. See Fig. 46.
14) Slide in the water tank along the rails at the bottom of the left and right brackets until it
locks into place. See Fig. 47.
Right Bracket
Rail
Rail
Fig. 45
Fig. 46
Left Bracket
Ice Chute
Front Frame
Pipe
Rear Frame
Pipe
Water Tank
15) Reconnect the suction tube.
16) Hook each separator onto the rail, then pull it hard towards you until it locks into place.
See Fig. 47.
17) Replace the slope in its correct position. See Fig. 48.
Fig. 47
Fig. 48
Separator
Rail
Slope
18) Discard the sanitizing solution.
19) Mix a new batch of the sanitizing solution and slowly pour it into the water tank.
20) Move the control switch to the "WASH" position.
21) After circulating the sanitizing solution for 15 minutes, move the control switch to the "OFF"
position.
22) Disconnect the suction tube. Allow the water tank to drain, then reconnect the suction tube.
23) Repeat steps 19 through 22 one time.
24) Move the control switch to the "ICE" position and allow the appliance to operate for
2 minutes. This allows the water tank to ll with water.
25) Move the control switch to the "WASH" position.
26) Allow the water to circulate for 5 minutes, then move the control switch to the "OFF"
position.
27) Disconnect the suction tube. Allow the water tank to drain, then reconnect the suction tube.
28) Repeat steps 24 through 27 two more times to rinse thoroughly.
29) Clean the ice storage bin liner, door liner, and door gasket with a neutral cleaner. Rinse
thoroughly after cleaning.
30) Move the control switch to the "ICE" position to start the automatic icemaking process.
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C. Ice Storage Bin Drain
In some conditions, slime may build up inside the ice storage bin drain and prevent
water from draining properly. To prevent this buildup, perform the following procedure
once every 3 months or as often as necessary for conditions.
NOTICE
If the ice storage bin drain becomes clogged, water could build up in the bin and
overow, leading to costly water damage.
1) Move the control switch to the "OFF" position. WARNING! To reduce the risk of
electric shock, do not touch the control switch with damp hands.
2) Remove all ice from the ice storage bin.
3) Mix a batch of sanitizing solution by diluting 0.34 . oz. (10.1 ml or 0.68 tbs) of a
7.5% sodium hypochlorite solution (chlorine bleach) with 1 gallon (3.8 l) of warm water.
Using a chlorine test strip or other method, conrm that you have a concentration of
about 200 ppm.
4) Slowly pour the sanitizing solution into the ice storage bin.
5) After all of the solution has drained, clean the ice storage bin liner with a neutral cleaner.
Rinse thoroughly with clean water.
6) Move the control switch to the "ICE" position to start the automatic icemaking process.
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D. Condenser
Check the condenser once a year, and clean if required by following the steps below.
More frequent cleaning may be required depending on location.
WARNING
• Move the control switch to the "OFF" position and unplug the appliance from the
electrical outlet before cleaning the condenser.
• To reduce the risk of electric shock, do not touch the control switch or plug with
damp hands.
• Condenser ns are sharp. Use care when cleaning.
1) Move the control switch to the "OFF" position and unplug the appliance from the
electrical outlet.
2) Remove the 2 screws securing the front panel, then remove the panel. See Fig. 49.
Front Panel
Louver
Fig. 49
Screws
Screws
Condenser
3) Remove the 2 screws securing the louver, then remove the louver.
4) Use a brush attachment on a vacuum cleaner to gently clean the condenser ns. Do not
use too much force, otherwise the ns could be damaged.
5) Replace the louver and front panel in their correct positions. Ensure that the screws are
securely in place.
6) Plug the appliance back in. Move the control switch to the "ICE" position to start the
automatic icemaking process.
44
V. Preparing the Appliance for Periods of Non-Use
WARNING
Only qualied service technicians should service this appliance.
NOTICE
• During extended periods of non-use, extended absences, or in sub-freezing
temperatures, follow the instructions below to reduce the risk of costly water
damage.
• When the appliance is not used for two or three days under normal conditions, it
is sufficient to move the control switch to the "OFF" position.
1) Close the water supply line shut-off valve, then open the water supply line drain valve.
See Fig. 31.
2) Allow the line to drain by gravity.
3) Attach a compressed air or carbon dioxide supply to the water supply line drain.
4) Move the control switch to the "ICE" position.
5) Blow the water supply line out using the compressed air or carbon dioxide supply.
6) Close the water supply line drain valve.
7) Move the control switch to the "OFF" position.
8) Unplug the appliance.
9) Remove all ice from the ice storage bin. Clean the ice storage bin liner using a neutral
cleaner. Rinse thoroughly after cleaning.
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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 1A7164-011
