Models
KM-231BAJ
KM-301BAJ, BWJ
Self-Contained Crescent Cuber
Instruction Manual
Issued: 4-11-2019
hoshizakiamerica.com
WARNING
Only qualied service technicians should install and service the appliance.
To obtain the name and phone number of your local Hoshizaki Certied Service
Representative, visit www.hoshizaki.com. No installation or service should be
undertaken until the technician has thoroughly read this Instruction Manual.
Likewise, the owner/manager should not proceed to operate the appliance until the
installer has instructed them on its proper operation. Failure to install, operate, and
maintain the appliance in accordance with this manual will adversely affect safety,
performance, component life, and warranty coverage 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, maintenance, and service of the appliance.
Should the reader have any questions or concerns which have not been satisfactorily
addressed, please call, send an e-mail message, or write to the Hoshizaki Technical
Support Department for assistance.
Phone: 1-800-233-1940; (770) 487-2331
Fax: 1-800-843-1056; (770) 487-3360
E-mail: techsuppor[email protected]
618 Highway 74 South
Peachtree City, GA 30269
Attn: Hoshizaki Technical Support Department
NOTE: To expedite assistance, all correspondence/communication MUST include the
following information:
• Model Number
• Serial Number
• Complete and detailed explanation of the problem.
2
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 ...................................................................................................................... 6
A. Electrical and Refrigerant Data ..................................................................................... 6
B. Dimensions/Connections .............................................................................................. 7
1. KM-231BAJ .............................................................................................................. 7
2. KM-301BAJ .............................................................................................................. 8
3. KM-301BWJ ............................................................................................................. 9
II. Installation and Operating Instructions ............................................................................ 10
A. Location ...................................................................................................................... 10
B. Checks Before Installation ............................................................................................11
C. How to Remove Louver ................................................................................................11
D. Setup ........................................................................................................................... 12
E. Electrical Connection .................................................................................................. 13
F. Water Supply and Drain Connections .......................................................................... 14
G. Final Checklist ............................................................................................................ 18
H. Startup ........................................................................................................................ 19
III. Maintenance ................................................................................................................... 21
A. Maintenance Schedule ................................................................................................ 21
B. Cleaning and Sanitizing Instructions ........................................................................... 22
IV. Preparing the Appliance for Periods of Non-Use ............................................................ 26
V. Disposal ........................................................................................................................... 28
3
Important Safety Information
Throughout this manual, notices appear to bring your attention to situations which could
result in death, serious injury, damage to the appliance, or damage to property.
WARNING Indicates a hazardous situation which could result in death or
serious injury.
NOTICE Indicates a situation which could result in damage to the
appliance or property.
IMPORTANT Indicates important information about the installation, use, and
care of the appliance.
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:
• Only qualied service technicians should install and service the appliance.
• The appliance must be installed in accordance with applicable national, state, and
local codes and regulations.
• This icemaker 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.
• THIS ICEMAKER MUST BE GROUNDED: This icemaker 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.
• 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 icemaker.
• To reduce the risk of electric shock, do not touch the control switch or plug with
damp hands.
• Do not use an icemaker 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 icemaker, be sure to pull the plug, not
the cord, and do not jerk the cord.
• Do not make any alterations to the icemaker. Alterations could result in electric
shock, injury, re, or damage to the icemaker.
4
WARNING, continued
• This 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.
• Children should be properly supervised around the appliance.
• Do not climb, stand, or hang on the appliance or allow children or animals to do so.
Serious injury could occur or the appliance could be damaged.
• Be careful not to pinch ngers when opening and closing the door. Be careful when
opening and closing the door when children are in the area.
• Do not use combustible spray or place volatile or ammable substances 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).
• 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 "IV. Preparing the Appliance for Periods
of Non-Use."
• If water collects in the bin and will not drain, turn off the icemaker and close the
water supply line shut-off valve. Call for service.
• Do not leave the icemaker on during extended periods of non-use, extended
absences, or in sub-freezing temperatures. To properly prepare the icemaker for
these occasions, follow the instructions in "V. Preparing the Icemaker 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.
5
I. Specications
A. Electrical and Refrigerant Data
The nameplate provides electrical and refrigerant data. The nameplate is located inside
the bottom front of the right side panel (behind the louver). For certication marks,
see the nameplate.
We reserve the right to make changes in specications and design without prior notice.
Model Number KM-231BAJ KM-301BAJ KM-301BWJ
AC Supply Voltage 115/60/1 115/60/1 115/60/1
Amperes 6.5 AMPS 8.4 AMPS 5.7 AMPS
Design Pressure
HI-450PSI
LO-210PSI
HI-450PSI
LO-210PSI
HI-450PSI
LO-210PSI
Refrigerant 404A 11.3 oz. 404A 13.4 oz. 404A 12.3 oz.
6
B. Dimensions/Connections
1. KM-231BAJ
Unit: mm [inches]
NOTICE
Allow at least 2" (5 cm) clearance at
the right side for proper air circulation
and at least 5/8" (15 mm) clearance
at top for ease of maintenance and/or
service should they be required.
7
2. KM-301BAJ
Unit: mm [inches]
NOTICE
Allow at least 2" (5 cm) clearance at
the right side for proper air circulation
and at least 5/8" (15 mm) clearance
at top for ease of maintenance and/or
service should they be required.
8
3. KM-301BWJ
Unit: mm [inches]
NOTICE
Allow at least 2" (5 cm) clearance at
the right side for proper air circulation
and at least 5/8" (15 mm) clearance
at top for ease of maintenance and/or
service should they be required.
9
II. Installation and Operating Instructions
WARNING
• The appliance must be installed in accordance with applicable national, state, and
local codes and regulations.
• 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
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.
• The 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 "IV. Preparing the Appliance for Periods of Non-Use."
• The appliance should not be located next to ovens, grills, or other high heat producing
equipment.
• In areas where water damage is a concern, install in a contained area with a oor drain.
• Allow at least 2" (5 cm) clearance at the right side for proper air circulation and at least
5/8" (15 mm) clearance at top for ease of maintenance and/or service should they be
required.
• The location must provide a rm and level foundation for the appliance.
10
Fig. 1
Air Inlet*
(Air Filter)
Louver
Magnet Catch
Air Filter*
Door
Separator
(inside)
How to remove Louver
* KM-231BAJ, KM-301BAJ only
B. Checks Before Installation
NOTICE
• Remove all shipping cartons, tape, and packing material. If any are left in the
appliance, it will not work properly.
• Remove the shipping tape holding the door and separator. See Fig. 1.
• Visually inspect the exterior of the shipping container and immediately report any damage
to the carrier. Upon opening the container, any concealed damage should also be
immediately reported to the carrier.
• Remove the package containing the accessories.
• Remove the protective plastic lm from the panels. If the appliance is exposed to the sun
or to heat, remove the lm after the appliance cools.
• Check that refrigerant lines do not rub or touch lines or other surfaces, and that the fan
blade (if applicable) turns freely.
• Check that the compressor is snug on all mounting pads.
• See the nameplate inside the bottom front of the right side panel (behind the louver), and
check that your voltage supplied corresponds with the voltage specied on the nameplate.
C. How to Remove Louver
See Fig. 1
• Louver: Pull the top towards you, and lift off when the magnet catches come off the body.
11
D. Setup
NOTICE
• Do not place more than 33 lb. (15 kg) on the top panel.
• Do not use the frame to lift the appliance. Lift the appliance from the base.
• Handle the appliance carefully to avoid damaging the exterior.
1) Unpack the appliance, and remove all shipping cartons, tape, and packing material
BEFORE operating the unit.
2) Position the appliance in its permanent location.
3) Level the appliance in both the left-to-right and
the front-to-rear directions (when installed with or
without legs). See Fig. 2.
4) 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.
5) If installing the unit with legs on the bottom, use the
four accessory legs adjustable from 6" (15.2 cm) to
7" (17.8 cm). Screw the legs tightly into the tapped
holes in the base. See Fig. 3.
Max. 0.2" (5mm)
[0.3°]
Fig. 2
Tapped Hole
(Leg Mounting)
Base
Adjustable Leg
Fig. 3
12
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. Seethe
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 plug and do not use an adapter
plug. Failure to properly ground the appliance could result in death or serious
injury.
• Do not use an extension cord.
• To reduce the risk of electric shock, do not touch the control switch or plug with
damp hands. Make sure the control switch is in the “OFF" position before plugging
in or unplugging the appliance.
• Do not use an appliance with a damaged power cord. The power cord should not
be altered, jerked, bundled, weighed down, pinched, or tangled. Such actions
could result in electric shock or re. To unplug the appliance, be sure to pull the
plug, not the cord, and do not jerk the cord.
• The GREEN ground wire in the factory-installed power cord is connected to the
appliance. If it becomes necessary to remove or replace the power cord, be sure
to connect the power cord’s ground wire to this screw upon reattachment.
• Usually an electrical permit and services of a licensed electrician are required.
• The maximum allowable voltage variation is ±10 percent of the nameplate rating.
13
F. Water Supply and Drain Connections
See Figs. 4 through 6
WARNING
Water supply and drain connections must be installed in accordance with applicable
national, state, and local regulations.
NOTICE
• Normal operating water temperature should be within 45°F to 90°F (7°C to
32°C). Operation of the appliance, for extended periods, outside of this normal
temperature range may affect appliance performance.
• Water supply pressure must be a minimum of 10 PSIG and a maximum of 113
PSIG. If the pressure exceeds 113 PSIG, 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. 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.
• A plumbing permit and services of a licensed plumber may be required in some areas.
• The icemaker drain line and water-cooled condenser drain line (if applicable) must be run
separately.
• Drain lines must have 1/4" fall per foot (2 cm per 1 m) on horizontal runs to get a good
ow. A vented tee connection is also required for proper ow.
• Drain lines should not be piped directly to the sewer system. An air gap of a minimum of
2 vertical inches (5 cm) should be between the end of the drain pipes from the icemaker
and water-cooled condenser (if applicable) and the oor drain.
14
1. Icemaker
Icemaker Water
Supply Inlet
Minimum Icemaker Water
Supply Line Size
Icemaker Drain
Outlet
Minimum Icemaker Drain
Line Size
1/2" Female Pipe
Thread (FPT)
1/4" Nominal ID Copper Water
Tubing or Equivalent
3/4" Female Pipe
Thread (FPT)
3/4" Nominal ID Hard Pipe
or Equivalent
• An icemaker water supply line shut-off valve and drain valve must be installed.
• Be sure there is sufficient extra water supply line and drain line for the appliance to be
pulled out for service.
Fig. 4
KM-231BAJ
KM-301BAJ
Icemaker Water Supply
Inlet 1/2" FPT
Icemaker Drain Outlet
3/4" FPT
Shut-off Valve
To approved
oor drain
2" (5 cm)
air gap
Drain
Floor
Be sure there is sufficient
extra water supply line and
drain line for the appliance to
be pulled out for service.
Separate piping to approved
drain. Leave a 2" (5 cm)
vertical air gap between the
end of each pipe and the
drain.
Drain Valve
1/4" fall per foot
Minimum 3/4" Nominal ID
Hard Pipe or Equivalent
Minimum 1/4" Nominal ID Copper
Water Tubing or Equivalent
Vent Tube
15
Icemaker Water Supply
Inlet 1/2" FPT
Icemaker Drain
Outlet 3/4" FPT
Fig. 5
KM-301BWJ
Condenser Drain
Outlet 1/2" FPT
Condenser Water
Supply Inlet 1/2" FPT
To approved
oor drain
2" (5 cm)
air gap
Drain
Floor
1/4" fall
per foot
Shut-off ValveDrain Valve
Minimum 1/4" Nominal ID
Copper Water Tubing or
Equivalent
Shut-off Valve
Drain Valve
Minimum 3/4" Nominal ID
Hard Pipe or Equivalent
Minimum 1/4" Nominal ID
Hard Pipe or Equivalent
Minimum 1/4" Nominal ID
Copper Water Tubing or
Equivalent
Be sure there is sufficient
extra water supply line
and drain line for the
appliance to be pulled
out for service.
Separate piping to
approved drain. Leave a
2" (5 cm) vertical air gap
between the end of each
pipe and the drain.
Vent Tube
2. Water-Cooled Condenser
a) Connection to an Open Drain System
Condenser Water
Supply Inlet
Minimum Condenser
Water Supply Line Size
Condenser Drain
Outlet
Minimum Condenser
Drain Line Size
1/2" Female Pipe
Thread (FPT)
1/4" Nominal ID Copper
Water Tubing or Equivalent
1/2" Female Pipe
Thread (FPT)
1/4" Nominal ID Hard Pipe
or Equivalent
• A condenser water supply line shut-off valve and drain valve must be installed.
• In some areas, a back ow preventer may be required in the cooling water circuit.
• In order to maintain the proper high side pressure, the condenser water supply inlet
temperature should not drop below 45°F (7°C) and the condenser drain outlet temperature
must be in the 104°F to 115°F (40°C to 46°C) range. Once the icemaker installation is
complete, conrm the condenser drain outlet temperature 5 minutes after a freeze cycle
starts. If the condenser drain outlet temperature is not in the proper range, use a at
blade screwdriver to rotate the adjustment screw on the water-regulating valve until the
temperature is in the proper range.
16
Icemaker Water Supply
Inlet 1/2" FPT
Icemaker Drain
Outlet 3/4" FPT
Fig. 6
KM-301BWJ
Condenser Return
Outlet 1/2" FPT
Condenser Water
Supply Inlet 1/2" FPT
To approved
oor drain
2" (5 cm)
air gap
Drain
Floor
1/4" fall
per foot
Shut-off Valve
Drain Valve
Minimum 1/4" Nominal ID
Copper Water Tubing or
Equivalent
Shut-off Valve
Drain Valve
Minimum 3/4" Nominal ID
Hard Pipe or Equivalent
Minimum 1/4" Nominal ID
Copper Water Tubing or
Equivalent
Shut-Off Valve
Drain Valve
Be sure there is sufficient
extra water supply line
and drain line for the
appliance to be pulled out
for service.
Separate piping to
approved drain. Leave a
2" (5 cm) vertical air gap
between the end of each
pipe and the drain.
Vent Tube
b) Connection to a Closed Loop System
Condenser Water
Supply Inlet
Minimum Condenser
Water Supply Line Size
Condenser
Return Outlet
Minimum Condenser
Return Line Size
1/2" Female Pipe
Thread (FPT)
1/4" Nominal ID Copper
Water Tubing or Equivalent
1/2" Female Pipe
Thread (FPT)
1/4" Nominal ID Copper
Water Tubing or Equivalent
• Shut-off valves and drain valves must be installed at both the condenser water supply inlet
and condenser return outlet.
• Minimum water ow to the condenser is 4 GPM.
• The pressure differential between the condenser water supply inlet and condenser return
outlet must be no less than 10 PSIG.
• When using a glycol blend, the solution mixture should be less than 30% glycol.
• In order to maintain the proper high side pressure, the condenser water supply inlet
temperature should not drop below 45°F (7°C) and the condenser drain outlet temperature
must be in the 104°F to 115°F (40°C to 46°C) range. Once the icemaker installation is
complete, conrm the condenser drain outlet temperature 5 minutes after a freeze cycle
starts. If the condenser drain outlet temperature is not in the proper range, use a at
blade screwdriver to rotate the adjustment screw on the water-regulating valve until the
temperature is in the proper range.
17
G. Final Checklist
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) 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 2" (5 cm) clearance at the right side and at least 5/8" (15 mm)
clearance at top?
4) Have all shipping cartons, tape, and packing material been removed from the
appliance? Are the cube guides in their correct positions?
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 and a maximum of 113 PSIG?
8) Are all components, fasteners, and thumbscrews securely in place?
9) 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?
10) Has the end user been given the contact information of an authorized service agent?
11) Has the warranty card been lled out and forwarded to the factory for warranty
registration?
18
H. Startup
WARNING
All parts are factory-adjusted. Improper adjustments may adversely affect safety,
performance, component life, and warranty coverage.
NOTICE
• If the appliance is turned off, wait for at least 3 minutes before restarting the
appliance to prevent damage to the compressor.
• To prevent damage to the water pump, do not leave the control switch in the
“SERVICE" position for extended periods of time when the water tank is empty.
• At startup, conrm that all internal and external connections are free of leaks.
1) Open the water supply line shut-off valve.
2) Remove the louver.
3) Make sure the control switch is in the “OFF" position. Plug the appliance into the
electrical outlet. WARNING! To reduce the risk of electric shock, do not touch the
control switch or plug with damp hands. 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.
4) Move the control switch to the “ICE" position.
5) Allow the appliance to operate for 5 minutes.
6) Move the control switch to the “SERVICE"
position. Move the service switch to the
“WASH" position.
7) Allow the appliance to operate for 5 minutes.
8) Move the service switch to the “DRAIN"
position.
9) Allow the appliance to drain for 2 minutes.
10) Move the control switch to the “OFF" position,
then unplug the appliance from the electrical
outlet.
11) Open the door.
12) Clean the ice storage bin using a neutral
cleaner. Rinse thoroughly after cleaning.
13) Make sure the control switch is in the “OFF"
position. Plug the appliance into the electrical
outlet.
14) Move the control switch to the “ICE" position.
15) Replace the louver in its correct position.
Fig. 7
Control Box
Control Switch
Service Switch
SERVICE
OFF
CIRCULATE
ICE
DRAIN
WASH
19
16) To conrm bin control operation, press the bin control’s actuator paddle during the rst
5 minutes of the freeze cycle. The compressor and fan motor (if applicable) should
de-energize within 15 seconds, then the drain valve should energize until the water
tank empties. After the water tank empties, the pump motor and drain valve should
de-energize.
17) Close the door.
20
III. Maintenance
The appliance must be maintained in accordance with the instruction manual and
labels provided. Consult with your local Hoshizaki Certied Service Representative
about maintenance service.
WARNING
• Only qualied service technicians should service the appliance.
• To reduce the risk of electric shock, do not touch the control switch or plug with
damp hands. Make sure the control switch is in the "OFF" position before plugging
in or unplugging the appliance.
• Move the control switch to the "OFF" position and unplug the appliance from the
electrical outlet before servicing.
• 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.
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
Daily Scoop
Clean the ice scoop using a neutral cleaner. Rinse thoroughly after
cleaning.
Bi-Weekly Air Filters Inspect. Wash with warm water and neutral cleaner if dirty.
Monthly
External Water
Filters
Check for proper pressure and change if necessary.
Icemaker 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.
Yearly
Icemaker and ice
Storage Bin Liner
Clean and sanitize per the cleaning and sanitizing instructions provided
in this manual or on the maintenance label on the icemaker.
Water Supply Inlet
Close the icemaker water supply line shut-off valve and drain the water
system. Clean the water supply inlet screen.
Condenser
Inspect. Clean if necessary by using a brush or vacuum cleaner. More
frequent cleaning may be required depending on location.
Water Hoses Inspect the water hoses and clean/replace if necessary.
21
B. Cleaning and Sanitizing Instructions
The appliance must be cleaned and sanitized at least once a year. More frequent
cleaning and sanitizing may be required in some water conditions.
WARNING
• To prevent injury to individuals and damage to the appliance, do not use ammonia
type cleaners.
• Carefully follow any instructions provided with the bottles of cleaning and
sanitizing solution.
• Always wear liquid-proof gloves and goggles to prevent the cleaning and
sanitizing solutions from coming into contact with skin or eyes.
• After cleaning and sanitizing, 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.
NOTICE
To prevent damage to the water pump, do not leave the control switch in the
“SERVICE" position for extended periods of time when the water tank is empty.
1. Cleaning Procedure
1) Dilute 5 . oz. (148 ml) of recommended cleaner Hoshizaki “Scale Away" with 1 gallon
(3.8 lit.) of water.
2) Remove the louver. Open the door and 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 move it back to the “ICE" position after 3 minutes. The harvest cycle starts and the
cubes will be removed from the evaporator.
3) Move the control switch to the “OFF" position.
4) Move the service switch to the “DRAIN" position, then move the control switch to the
“SERVICE" position.
5) After 2 minutes, move the control switch to the “OFF" position.
6) Pour the cleaning solution into the water tank. Move the service switch to the “WASH"
position, then move the control switch to the “SERVICE" position.
7) After 30 minutes, move the control switch to the “OFF" position.
8) Move the service switch to the “DRAIN" position, then move the control switch to the
“SERVICE" position.
9) After 2 minutes, move the control switch to the “OFF" position.
10) Move the control switch to the “ICE" position to ll the water tank with water.
11) After 3 minutes, move the service switch to the “WASH" position, then move the control
switch to the “SERVICE" position.
12) After 5 minutes, move the control switch to the “OFF" position.
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Thumbscrew
Fig. 8
Bracket (L) Evaporator Cube Guides Water Tank Bracket (R) Overow Pipe
13) Move the service switch to the “DRAIN" position, then move the control switch to the
“SERVICE" position.
14) Repeat steps 9 through 13 three more times to rinse thoroughly.
15) After 2 minutes, move the control switch to the “OFF" position.
16) Disconnect the overow pipe. Next, remove the water tank by removing the two
thumbscrews and pulling the tank towards you slightly and pushing it down. Be careful
to avoid breakage when handling the parts. See Fig. 8.
17) Pull the cube guides (quantity varies depending on model) upward to remove them from
the water tank. They are snapped in place. See Fig. 9.
18) Dilute 5 . oz. (148 ml) of recommended cleaner Hoshizaki “Scale Away" with 1 gallon
(3.8 lit.) of water.
19) Wash the bin control switch, water tank, oat switch, cube guides, and overow pipe by
using a nylon scouring pad, brushes and the cleaning solution. See Fig. 10. In addition
to the removed parts, also wash the bin liner and brackets (L) and (R) with the solution.
20) Discard the cleaning solution and rinse the parts thoroughly with water.
23
Fig. 9
* The bin control switch is accessible by
removing the water tank.
Cube Guides
Water Tank
Float Switch
Fig. 10
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2. Sanitizing Procedure - Following Cleaning Procedure
1) Dilute approximately 0.31 . oz. (9.2 ml) of an 8.25% sodium hypochlorite solution
(chlorine bleach) with 1 gallon (3.8 lit.) of warm water. Using a chlorine test strip or
other method, conrm that you have a concentration of about 200 ppm.
2) Soak the removed parts from step 19 above in a clean container containing the
sanitizing solution. After allowing the parts to soak for 10 minutes, wash them with the
solution. Also wash the bin liner and brackets (L) and (R) with the solution.
3) Discard the sanitizing solution and rinse the parts thoroughly with water.
4) Replace the removed parts in their correct positions in the reverse order of which they
were removed.
5) Dilute approximately 0.31 . oz. (9.2 ml) of an 8.25% sodium hypochlorite solution
(chlorine bleach) with 1 gallon (3.8 lit.) of warm water. Using a chlorine test strip or
other method, conrm that you have a concentration of about 200 ppm.
6) Pour the sanitizing solution into the water tank, and allow the sanitizer to sit for 10
minutes.
7) Move the service switch to the “WASH" position, then move the control switch to the
“SERVICE" position.
8) After 15 minutes, move the control switch to the “OFF" position.
9) Move the service switch to the “DRAIN" position, then move the control switch to the
“SERVICE" position.
10) After 2 minutes, move the control switch to the “OFF" position.
11) Repeat steps 5 through 10 one time. Repeat steps 9 through 13 in the Cleaning
Procedure three times to rinse thoroughly.
12) After 2 minutes, move the control switch to the “OFF" position.
13) Flush the ice storage bin with water.
14) Move the control switch to the “ICE" position to start the automatic icemaking process.
15) Close the door. Replace the louver in its correct position.
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IV. Preparing the Appliance for Periods of Non-Use
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.
• To prevent damage to the water pump, do not leave the control switch in the
“SERVICE" position for extended periods of time when the water tank is empty.
During extended periods of non-use, extended absences, or in sub-freezing
temperatures, follow the instructions below. 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. Remove the water from the icemaker water supply line:
1) Remove the louver if it has not already been removed.
2) Move the control switch to the “OFF" position.
3) Wait 3 minutes.
4) Close the icemaker water supply line shut-off valve and open the icemaker water supply
line drain valve.
5) Allow the line to drain by gravity.
6) Attach compressed air or carbon dioxide supply to the icemaker water supply line drain
valve.
7) Move the control switch to the “ICE" position.
8) Quickly blow the icemaker water supply line out using compressed air or carbon
dioxide.
2. Drain the water tank:
1) Move the service switch to the“DRAIN" position, then move the control switch to the
“SERVICE" position.
2) After 2 minutes, move the control switch to the “OFF" position. Unplug the appliance
from the electrical outlet.
3) Open the door. Remove all ice from the ice storage bin and clean the ice storage bin.
4) Close the door.
5) Replace the louver in its correct position.
6) Close the icemaker water supply line drain valve.
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3. On water-cooled model only, remove the water from the water-cooled condenser:
1) Make sure the control switch s in the “OFF" position and the appliance is unplugged
from the electrical outlet.
2) Remove the top and left side panels.
3) Close the condenser water supply line shut-off valve. If connected to a closed loop
system, also close the condenser return line shut-off valve. See Fig. 5 or 6.
4) Open the condenser water supply line drain valve. If connected to a closed loop system,
also open the condenser return line drain valve.
5) Attach a compressed air or carbon dioxide supply to the condenser water supply line
drain valve.
6) Open the water regulating valve by using a screwdriver to pry up on the spring retainer
underneath the spring. While holding the valve open, blow out the condenser using the
compressed air or carbon dioxide supply until water stops coming out.
7) Close the condenser water supply line drain valve. If connected to a closed loop system,
also close the condenser return line drain valve.
8) Replace the left side and top panels in their correct positions.
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V. Disposal
The appliance contains refrigerant and must be disposed of in accordance with
applicable national, state, and local codes and regulations. Refrigerant must be
recovered by properly certied service personnel.
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618 Hwy. 74 South, Peachtree City, GA 30269 USA (P) 770.487.2331 (F) 770.487.3360 hoshizakiamerica.com 1A5587-010
