Hoshizaki IM-500SAA User manual

Hoshizaki
“A Superior Degree
of Reliability”
www.hoshizaki.com
Model
IM-500SAA
Modular Cuber
Hoshizaki America, Inc.
Issued: 8-24-2012
INSTRUCTION MANUAL

1
WARNING
Only qualified service technicians should install and service the appliance. To
obtain the name and phone number of your local Hoshizaki Certified 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 qualified service technicians in the
installation, maintenance, and service of the product.
Should the reader have any questions or concerns which have not been satisfactorily
addressed, please call, write, or send an e-mail message to the Hoshizaki Technical
Support Department for assistance.
HOSHIZAKI AMERICA, INC.
618 Highway 74 South
Peachtree City, GA 30269
Attn: Hoshizaki Technical Support Department
Phone: [phone] Technical Support
[phone]
Fax: [phone]
[phone]
E-mail: [email protected]
Web Site: www.hoshizaki.com
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 product is installed and
operated. Only qualified service technicians should install, service, and
maintain the product. Read the warnings contained in this booklet carefully as
they give important information regarding safety. Please retain this booklet for
any further reference that may be necessary.
CONTENTS PAGE
Important Safety Information---------------------------------------------------------------------------3
I. Specifications -------------------------------------------------------------------------------------------5
A. Electrical Data---------------------------------------------------------------------------------------5
B. Dimensions/Connections-------------------------------------------------------------------------6
II. Installation and Operating Instructions-----------------------------------------------------------7
A. Checks Before Installation-----------------------------------------------------------------------7
B. How to Remove Panels---------------------------------------------------------------------------8
C. Location ----------------------------------------------------------------------------------------------8
D. Setup--------------------------------------------------------------------------------------------------9
E. Electrical Connection----------------------------------------------------------------------------10
F. Water Supply and Drain Connections------------------------------------------------------- 11
G. Final Checklist------------------------------------------------------------------------------------12
H. Startup ----------------------------------------------------------------------------------------------13
I. Display -----------------------------------------------------------------------------------------------14
1. Normal Mode-----------------------------------------------------------------------------------14
2. Error Code--------------------------------------------------------------------------------------14
III. Cleaning and Maintenance Instructions ------------------------------------------------------14
A. Cleaning--------------------------------------------------------------------------------------------14
1. Cleaning Procedure --------------------------------------------------------------------------15
2. Sanitizing Procedure-------------------------------------------------------------------------16
B. Maintenance---------------------------------------------------------------------------------------17
1. Stainless Steel Exterior----------------------------------------------------------------------18
2. Storage Bin and Scoop----------------------------------------------------------------------18
3. Air Filters ---------------------------------------------------------------------------------------- 18
4. Condenser--------------------------------------------------------------------------------------18
C. Preparing the Icemaker for Long Storage -------------------------------------------------19

3
Important Safety Information
Throughout this manual, notices appear to bring your attention to situations which could
result in death, serious injury, or damage to the unit.
WARNING Indicates a hazardous situation which could result in death or
serious injury.
NOTICE Indicates a situation which could result in damage to the unit or
property.
IMPORTANT Indicates important information about the use and care of the
unit.
WARNING
This 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 fire, follow
basic precautions including the following:
• Only qualified service technicians should install and service the appliance.
• The appliance must be installed in accordance with applicable national,
state, and local codes and regulations.
• Electrical connection must be hard-wired and must meet national, state, and
local electrical code requirements. Failure to meet these code requirements
could result in death, electric shock, serious injury, fire, or damage to
equipment.
• The icemaker requires an independent power supply of proper capacity. See
the nameplate for electrical specifications. 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 fire.
• THE ICEMAKER MUST BE GROUNDED. Failure to properly ground the
icemaker could result in death, serious injury, or damage to equipment.
• Move the control switch to the “OFF” position and turn off the power supply
before servicing. Lockout/Tagout to prevent the power supply from being
turned back on inadvertently.
• To reduce the risk of electric shock, do not touch the control switch with
damp hands.
• Do not make any alterations to the appliance. Alterations could result in
electric shock, injury, fire, or damage to the appliance.

4
• 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 this appliance.
• Do not climb, stand, or hang on the appliance or allow children or animals to
do so. Serious injury could occur or the appliance could be damaged.
• Do not use combustible spray or place volatile or flammable substances
near the appliance. They might catch fire.
• 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
floor drain.
• Install the icemaker in a location that stays above freezing. Normal operating
ambient temperature must be within 45°F to 100°F (7°C to 38°C).
• 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 “III.C. Preparing the Icemaker
for Long Storage.”
• 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. Specifications
A. Electrical Data
See the nameplate for electrical and refrigerant specifications. This nameplate is located
on the right side panel.
Since this nameplate is located on the right side panel of the icemaker, it cannot be
read when the side of the icemaker is against a wall or against another piece of kitchen
equipment. Therefore, the necessary electrical and refrigeration information is also on the
rating label, which can be easily seen by removing only the front panel of the icemaker.
We reserve the right to make changes in specifications and design without prior notice.
For certification marks, see the nameplate
on the right side panel.

6
The storage bin opening must match
the bottom opening as in the illustration.
B. Dimensions/Connections
Unit: mm [inches]

7
II. Installation and Operating Instructions
WARNING
1. Install in accordance with all applicable national, state, and local codes and
regulations.
2. CHOKING HAZARD: Ensure all components, fasteners, and thumbscrews
are securely in place after installation. Make sure that none have fallen into
the storage bin.
A. Checks Before Installation
NOTICE
Remove all shipping cartons, tape, and packing material. If any are left in the
icemaker, it will not work properly.
• 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 panels to prevent damage when installing the icemaker. See “B. How to
Remove Panels.”
• Remove the package containing the accessories.
• Remove the protective plastic film from the panels. If the icemaker is exposed to the sun
or to heat, remove the film after the icemaker cools.
• Check that refrigerant lines do not rub or touch lines or other surfaces, and that the fan
blade turns freely.
• Check that the compressor is snug on all mounting pads.
• See the nameplate on the right side panel, and check that your voltage supplied
corresponds with the voltage specified on the nameplate.
• This icemaker can be installed on a storage bin 44” wide or wider. The recommended
storage bin is HOSHIZAKI STORAGE BIN, Model B-700 series.

8
B. How to Remove Panels - See Fig. 1
• Front Panel: Loosen the screw. Lift up and pull towards you.
• Top Panel: Remove the screws and lift up.
• Left Side Panel: Slide forward slightly, and then lift off.
• Right Side Panel: Remove the screws and pull towards you.
C. Location
NOTICE
1. This icemaker is not intended for outdoor use. Normal operating ambient
temperature should be within 45°F to 100°F (7°C to 38°C); Normal
operating water temperature should be within 45°F to 90°F (7°C to 32°C).
Operation of the icemaker, for extended periods, outside of these normal
temperature ranges may affect icemaker performance.
2. This icemaker will not work at sub-freezing temperatures. To prevent
damage to the water supply line, drain the icemaker when the air
temperature is below 32°F (0°C). See “III. C. Preparing the Icemaker for
Long Storage.”
Fig. 1
Screw
Screw
Screw Screw
Top Panel
Left Side Panel
Right Side Panel
Shipping Tape
Accessories
Front Panel

9
For best operating results:
• Icemaker should not be located next to ovens, grills, or other high heat producing
equipment.
• Avoid choosing a site where no dripping is allowed.
• Allow 6” (15 cm) clearance at rear, left side, and top and 12” (30 cm) clearance at right
side for proper air circulation and ease of maintenance and/or service should they be
required.
• Location should provide a firm and level foundation for the equipment.
D. Setup
NOTICE
Do not use the frame to lift the icemaker. Lift the icemaker from the base.
1) Unpack the storage bin, and attach the four adjustable legs provided (bin accessory) to
the bottom of the storage bin.
2) Position the storage bin in the selected permanent location.
3) Unpack the icemaker and remove all shipping cartons, tape and packing material.
4) Remove the panels to prevent damage when installing the icemaker. See “II. B. How to
Remove Panels.”
5) Remove the protective plastic film from the panels. If the unit is exposed to the sun or
to heat, remove the film after the unit cools.
6) Remove the package containing the accessories from
the icemaker. See Fig. 1.
7) Remove the shipping tape holding the bin control
switch. See Fig. 1.
8) Place the icemaker on top of storage bin.
9) Secure the icemaker to the storage bin using the two
mounting brackets and the bolts provided. See Fig. 2.
Icemaker
Bin
Mounting Brackets
& Bolts
Fig. 2

10
10) Level the icemaker and storage bin in both the left-to-right and front-to-rear directions.
Adjust the storage bin legs to make the icemaker level.
11) Replace the panels in their correct positions.
E. Electrical Connection
WARNING
1. Electrical connection must be made in accordance with the instructions on
the “WARNING“ tag, provided with the pig tail leads in the junction box.
2. Electrical connection must be hard-wired and must meet national, state,
and local electrical code requirements. Failure to meet these code
requirements could result in death, electric shock, serious injury, fire, or
severe damage to equipment.
3. This unit requires an independent power supply. See the nameplate for
proper voltage and breaker/fuse size. Failure to use a proper breaker or
fuse can result in a tripped breaker, blown fuse, or damage to existing
wiring. This could lead to heat generation or fire.
4. THE ICEMAKER MUST BE GROUNDED. Failure to properly ground the
icemaker could result in death or serious injury.
• Use copper supply wires. The smallest conductor that the
installer may use for branch circuit wiring is 14 AWG (2.1
mm2) wire.
• The maximum allowable voltage variation is ±10 percent of
the nameplate rating.
• The white lead must be connected to the neutral conductor of
the power source. NOTICE! Miswiring may result in severe
damage to the icemaker. See Fig. 3.
• The opening for the power supply connection is 7/8” DIA to fit
a 1/2” trade size conduit.
• Usually an electrical permit and services of a licensed
electrician are required.
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Fig. 3

11
F. Water Supply and Drain Connections - See Fig. 4
WARNING
Water supply and drain connections must be installed in accordance with
applicable national, state, and local regulations.
NOTICE
1. Normal operating water temperature should be within 45°F to 90°F (7°C
to 32°C). Operation of the icemaker, for extended periods, outside of this
normal temperature range may affect icemaker performance.
2. To prevent damage to equipment, do not operate the icemaker when the
water supply is off, or if the pressure is below 10 PSIG. Do not run the
icemaker until the proper water pressure is reached.
• A plumbing permit and services of a licensed plumber may be required in some areas.
• External filters, strainers, or softeners may be required depending on water quality.
Contact your local Hoshizaki Certified Service Representative for recommendations.
• Water supply inlet is 1/2” female pipe thread (FPT).
• A minimum of 1/4” nominal ID copper water tubing or equivalent is required for the
icemaker water supply line. An icemaker water supply line shut-off valve and drain valve
must be installed. Be sure there is sufficient extra water supply line for the unit to be
pulled out for service.
• Water supply pressure should 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.
• Icemaker drain outlet is 3/4” FPT.A minimum of 3/4” nominal ID hard pipe or equivalent is
required for the icemaker drain line. Be sure there is sufficient extra drain line for the unit
to be pulled out for service.
• Drain lines must have 1/4” fall per foot (2 cm per 1 m) on horizontal runs to get a good
flow. A vented tee connection is also required for proper flow.
• 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 storage bin, and the floor drain.

12
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 storage bin.
1) Is the icemaker level?
2) Is the icemaker in a site where the ambient temperature is within 45°F to 100°F (7°C to
38°C) and the water temperature within 45°F to 90°F (7°C to 32°C) all year around?
3) Is there at least 6” (15 cm) clearance at rear, left side, and top and 12” (30 cm)
clearance at right side for proper air circulation and maintenance or service?
4) Have all shipping cartons, tape, and packing material been removed from the
icemaker?
5) Are all components, fasteners and thumbscrews securely in place?
6) Have all electrical and water connections been made? Do electrical and water
connections meet all national, state, and local code and regulation requirements?
Fig. 4
Bin Drain Outlet
3/4” FPT
Icemaker Water
Supply Line
Drain Valve
Icemaker Drain
Outlet 3/4” FPT
Icemaker Water
Supply Inlet
1/2” FPT
Icemaker Water
Supply Line
Shut-Off Valve
Separate piping to approved
drain. Leave a 2-inch (5 cm)
vertical air gap between the
end of each pipe and the drain.
2-inch (5 cm)
air gap
Drain
Floor

13
7) Has the power supply voltage been checked or tested against the nameplate rating?
Has a proper ground been installed to the icemaker?
8) 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 and a maximum of 113
PSIG?
9) Are the compressor hold-down bolts snug? Have the refrigerant lines been checked to
make sure they do not rub or touch other lines or surfaces?
10) Has the end user been given the instruction manual, and instructed on how to operate
the icemaker and the importance of the recommended periodic maintenance?
11) Has the end user been given the name and telephone number of an authorized service
agent?
12) Has the warranty card been filled out and forwarded to the factory for warranty
registration?
H. Startup
WARNING
1. All parts are factory-adjusted. Improper adjustments may adversely affect
safety, performance, component life, and warranty coverage.
2. Do not put your hands into the back of the storage bin or the baffle on top
of the storage bin. Ice may drop off the icemaker, a hard block of ice may
suddenly break down, or the icemaking mechanism may suddenly move,
resulting in injury.
NOTICE
1. If the unit is turned off, wait for at least 3 minutes before restarting the
icemaker to prevent damage to the compressor.
2. To prevent damage to the water pump, do not leave the control switch in
the “WASH” position for extended periods of time when the water tank is
empty.
3. At startup, confirm that all internal and external connections are free of
leaks.

14
1) Clean the storage bin liner using a neutral cleaner. Rinse thoroughly after cleaning.
2) Open the water supply line shut-off valve.
3) Remove the front panel.
4) Move the control switch on the control box to the “ICE” position.
5) Replace the front panel in its correct position.
6) Turn on the power supply to start the automatic icemaking process.
I. DISPLAY
1. Normal Operation
Display for normal operation is “on”. See the figure on the right.
2. Error Code
The unit will show an error code and safely stop if the unit is operating outside of
acceptable parameters. See the figure below. If an error code appears, please contact your
local Hoshizaki Certified Service Representative for assistance.
E1: Abnormal freeze cycle
E2: Abnormal harvest cycle
EE: Other
III. Cleaning and Maintenance Instructions
WARNING
CHOKING HAZARD: Ensure all components, fasteners, and thumbscrews
are securely in place after any cleaning or maintenance is done to the unit.
Make sure that none have fallen into the storage bin.
A. Cleaning
HOSHIZAKI recommends cleaning this unit at least once a year. More frequent cleaning,
however, may be required in some existing water conditions.

15
WARNING
1. To prevent injury to individuals and damage to the icemaker, do not use
ammonia type cleaners.
2. Carefully follow any instructions provided with the bottles of cleaning and
sanitizing solution.
3. Always wear liquid-proof gloves and goggles to prevent the cleaning and
sanitizing solutions from coming into contact with skin or eyes.
NOTICE
To prevent damage to the water pump, do not leave the control switch in the
“WASH” position for extended periods of time when the water tank is empty.
1. Cleaning Procedure
1) Dilute approximately 7.2 fl. oz. (214 ml) of recommended cleaner Hoshizaki “Scale
Away” with 0.8 gal. (3.0 lit.) of water.
2) Turn off the power supply.
3) Remove all ice from the storage bin.
4) Remove the front panel.
5) Remove the screw, then move the water
tank drain pipe to the drain position. See
Fig. 5. Use the screw to secure the water
tank drain pipe in the drain position.
6) Make sure the control switch is in the “ICE”
position, then replace the front panel.
7) Close the icemaker water supply line shut-
off valve. See Fig. 4.
8) Turn on the power supply for 3 minutes. The
water tank drains and cubes are removed
from the evaporator.
9) Turn off the power supply.
10) Remove the front panel and top panel. Fig. 5
[Normal Position]
[Drain Position]
Screw
Tank Drain
Pipe

16
11) Move the control switch to the “WASH“ position.
12) Slowly pour the cleaning solution over the top of the evaporator and into the water
tank. Do not splash or spill the solution onto other parts.
13) Replace the front panel and top panel in their correct positions.
14) Turn on the power supply to start the washing process.
15) Turn off the power supply after 30 minutes.
16) Open the icemaker water supply line shut-off valve. See Fig. 4.
17) Remove the front panel.
18) Move the control switch to the "ICE" position.
19) Replace the front panel.
20) Turn on the power supply for 3 minutes. The water tank drains.
21) Turn off the power supply.
22) Repeat steps 20 and 21 three more times to rinse thoroughly.
Note: If not sanitizing the icemaker, go to step 19 in “III. A. 2. Sanitizing Procedure.“
2. Sanitizing Procedure - Following Cleaning Procedure
1) Dilute a 5.25% sodium hypochlorite solution (chlorine bleach) with water (add
approximately 0.4 fl. oz. (12 ml) to 0.8 gal. (3.0 lit.) of water).
2) Close the icemaker water supply line shut-off valve. See Fig. 4.
3) Turn on the power supply for 3 minutes. The water tank drains.
4) Turn off the power supply.
5) Remove the front panel and top panel.
6) Move the control switch to the “WASH“ position.
7) Slowly pour the sanitizing solution over the top of the evaporator and into the water
tank. Do not splash or spill the solution onto other parts.
8) Replace the front panel and top panel in their correct positions.

17
9) Turn on the power supply to start the sanitizing process.
10) Turn off the power supply after 15 minutes.
11) Open the icemaker water supply line shut-off valve. See Fig. 4.
12) Remove the front panel.
13) Move the control switch to the “ICE“ position.
14) Replace the front panel.
15) Turn on the power supply for 3 minutes. The water tank drains.
16) Turn off the power supply.
17) Repeat steps 15 and 16 three more times to rinse thoroughly.
18) Repeat steps 1 through 17 one more time.
19) Remove the front panel.
20) Remove the screw, then move the water tank drain pipe to the normal position. See
Fig. 5. Use the screw to secure the water tank drain pipe in the normal position.
21) Replace the front panel.
22) Clean the storage bin liner using a neutral cleaner. Rinse thoroughly after cleaning.
23) Turn on the power supply to start the automatic icemaking process.
B. Maintenance
This icemaker must be maintained individually, referring to the instruction manual and
labels provided with the icemaker.
WARNING
1. Only qualified service technicians should service this icemaker.
2. Move the control switch to the “OFF” position and turn off the power supply
before servicing. Lockout/Tagout to prevent the power supply from being
turned back on inadvertently.

18
1. Stainless Steel Exterior
To prevent corrosion, wipe the exterior occasionally with a clean, soft cloth. Use a damp
cloth containing a neutral cleaner to wipe off oil or dirt build up.
2. Storage Bin and Scoop
• Wash your hands before removing ice. Use the plastic scoop provided (bin accessory).
• The storage bin is for ice use only. Do not store anything else in the storage bin.
• Clean the scoop and the storage bin liner using a neutral cleaner. Rinse thoroughly after
cleaning.
3. Air Filters
Plastic mesh air filters remove dirt and dust from the air, and keep
the condenser from getting clogged. As the filters get clogged,
the icemaker’s performance will be reduced. Check the filters at
least twice a month. When clogged, use warm water and a neutral
cleaner to wash the filters.
1) Slide the air filter out of the louver.
2) Clean the air filter by using a vacuum cleaner. When severely
clogged, use warm water and a neutral cleaner to wash the air
filter.
3) Rinse and dry the air filter thoroughly, and place it in position.
NOTICE
Do not use hot water, thinner, petroleum-based products, or any strong
cleaner to clean the air filter.
4. Condenser
Check the condenser once a year, and clean if required by using a brush or vacuum
cleaner. More frequent cleaning may be required depending on the location.
Fig. 6
Air Filter
Louver

19
C. Preparing the Icemaker for Long Storage
NOTICE
1. When shutting off the icemaker for an extended time, drain out all water
from the water line and remove the ice from the storage bin. The storage
bin should be cleaned and dried. Drain the icemaker to prevent damage
to the water supply line at sub-freezing temperatures, using air or carbon
dioxide. Shut off the icemaker until the proper ambient temperature is
resumed.
2. To prevent damage to the water pump, do not leave the control switch in
the "WASH" position for extended periods of time when the water tank is
empty.
When the icemaker is not used for two or three days under normal conditions, it is
sufficient to only move the control switch to the “OFF” position. When storing the icemaker
for an extended time or in sub-freezing temperatures, follow the instructions below.
1. Remove the water from the icemaker water supply line:
1) Turn off the power supply.
2) Move the control switch to the “OFF” position.
3) Close the icemaker water supply line shut-off valve and open the icemaker water supply
line drain valve. See Fig. 4.
4) Allow the icemaker water supply line to drain by gravity.
5) Attach compressed air or carbon dioxide supply to the icemaker water supply line drain
valve.
6) Move the control switch to the “ICE“ position and turn on the power supply.
7) Blow the icemaker water supply line out using compressed air or carbon dioxide.
2. Drain the water tank:
1) Turn off the power supply.
2) Remove the front panel.
3) Remove the screw, and move the tank drain pipe to the drain position. See Fig. 5.