Hoshizaki KM1100MAJ50 User Manual

Instruction Manual

Modular Crescent Cuber

Models
KM-1100MAJ50

hoshizakiamerica.com

Issued: 7/23/2018

WARNING

Only qualied service technicians should install and service the appliance. To
obtain the name and phone number of your local Hoshizaki Certied 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 qualied 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: [phone]
Fax: [phone]

E-mail: [e-mail]

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. Specications ...................................................................................................................... 6

A. Electrical and Refrigerant Data ..................................................................................... 6

B. Dimensions/Connections .............................................................................................. 7

II. Installation and Operating Instructions .............................................................................. 8

A. Location ........................................................................................................................ 8

B. Checks Before Installation ............................................................................................. 9

C. How to Remove Panels ................................................................................................. 9

D. Setup ........................................................................................................................... 10

1. Ice Storage Bin and Icemaker Setup ..................................................................... 10

2. Bin Control Installation ............................................................................................11

E. Electrical Connection .................................................................................................. 12

F. Water Supply and Drain Connections .......................................................................... 13

G. Final Checklist ............................................................................................................ 15

H. Startup ........................................................................................................................ 16

III. Maintenance ................................................................................................................... 17

A. Maintenance Schedule ................................................................................................ 17

B. Cleaning and Sanitizing Instructions ........................................................................... 18

IV. Preparing the Appliance for Periods of Non-Use ............................................................ 22

V. Disposal ........................................................................................................................... 23

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 qualied 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, re, or damage.

• The icemaker requires an independent power supply of proper capacity. See the
nameplate for electrical specications. 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 ICEMAKER MUST BE GROUNDED. Failure to properly ground the icemaker
could result in death or serious injury.

• To reduce the risk of electric shock, do not touch the control switch with damp
hands.

• 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.

• Do not make any alterations to the appliance. Alterations could result in electric
shock, serious injury, re, or damage.

• 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.

4

WARNING, continued

• 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.

• 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.

Additional Warning for Remote Models

• THE REMOTE CONDENSER UNIT MUST BE GROUNDED. The power supply and
ground connection to the remote condenser unit are supplied from the icemaker.
Failure to properly ground the remote condenser unit could result in death or
serious injury.

• Wire routing (conduit) and disconnect (if required) 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.

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 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 "IV. Preparing the Icemaker for Periods of
Non-Use."

• Do not place objects on top of the appliance.

• The dispenser unit/ice storage bin is for ice use only. Do not store anything else in
the dispenser unit/ice storage bin.

5

I. Specications

A. Electrical and Refrigerant Data

The rating label and nameplate provide electrical and refrigerant data. The rating label
can be seen by removing the front panel. The nameplate is located on the rear panel. For
certication marks, see the nameplate.
We reserve the right to make changes in specications and design without prior notice.

1. KM-1100MAJ50

Single Phase
Model Number KM-1100MAJ50
SERIAL NUMBER
AC SUPPLY VOLTAGE 230V

FREQUENCY 50Hz
AMPERAGE 11.2A
REFRIGERANT 404A 1400G

GWP=3922, CO2=5.491

INSULATING BLOWING GAS HFC-FREE
WEIGHT 118KG
CONDITIONS CLASS T
MAXIMUM OPERATING PRESSURE 2.88MPA
LEAK TIGHTNESS TESTED

†

6

B. Dimensions/Connections

1. KM-1100MAJ50

Side

Units: mm [in.]

Rear

Bottom

NOTICE

• KM-1100MAJ50: Allow 12" (30cm)
clearance at rear, sides, and top for
proper air circulation and ease of
maintenance and/or service should
they be required.

• The ice storage bin opening must
match the bottom opening as in the
illustration.

7

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
dispenser unit/ice storage bin.

A. Location

NOTICE

• The icemaker 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
icemaker, for extended periods, outside of these normal temperature ranges may
affect icemaker performance.

• The icemaker will not work at sub-freezing temperatures. To prevent damage
to the water supply line, drain the icemaker if the air temperature is going to go
below 32°F (0°C). See "IV. Preparing the Icemaker for Periods of Non-Use."

• The icemaker should not be located next to ovens, grills, or other high heat producing
equipment.

• For KM-1100MAJ50 models, allow 12" (30 cm) clearance at rear, sides, and top for proper
air circulation and ease of maintenance and/or service should they be required.

• The location should provide a rm and level foundation for the appliance.

8

B. Checks Before Installation

• Visually inspect the exterior of the shipping container and immediately report any
damage to the carrier. Upon opening the container, any concealed damage should also
be immediately reported to the carrier.

• Remove the shipping carton, tape, and packing material. If any are left in the appliance,
it will not work properly.

• See the nameplate on the rear panel, and check that your voltage supplied corresponds
with the voltage specied on the nameplate.

• Remove the panels to prevent damage when installing the appliance. See "II.C. How to
Remove Panels."

• Remove the package containing the accessories.

• Remove the protective plastic lm from the panels. If the appliance is exposed to the
sun or to heat, remove the lm after the appliance cools.

• Check that the refrigerant lines do not rub or touch lines or other surfaces, and that the
fan blade (if applicable) turns freely.

• Check that the compressor is snug on all mounting pads.

• The icemaker can be installed on a storage bin 30" wide or wider. Hoshizaki Ice Storage
Bins, Model B-500 series is recommended. For further options, contact your local
Hoshizaki distributor.

Model Number Bin Width Recommended Hoshizaki Ice Storage Bin

KM-1100MAJ50 30" or Wider B-500 Series

For further options, contact your local Hoshizaki distributor.

C. How to Remove Panels

See Fig. 1

• Front Panel: Remove the screw. Lift up and
pull towards you.

• Top Panel: Lift up at front slightly, push
rearward and lift off.

• Right Side Panel: Remove the screw. Slide
forward slightly and lift off.

• Insulation Panel: Lift up slightly, and pull
towards you.

Insulation

Panel
Front
Panel

Top Panel

Side Panel (R)

Fig. 1

9

D. Setup

1. Ice Storage Bin and Icemaker Setup

WARNING

The installer must ensure the ice storage bin is compatible with the icemaker, and
the dispenser unit/ice storage bin and icemaker are properly attached and secured.

1) Unpack the ice storage bin and attach the 4 adjustable legs provided (bin accessory) to
the bottom of the ice storage bin.

2) Position the ice storage bin in its permanent location.

3) Place the icemaker on top of the storage bin.

4) Secure the icemaker to the storage bin using the 2 mounting brackets and the bolts
provided. See Fig. 2.

5) 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.

6) Icemaker: Replace the panels in their correct positions. See Fig.2.

Ice
Storage
Bin

Icemaker

Bolts

Mounting
Brackets

Fig. 2

10

2. Bin Control Installation

NOTICE

Before operating the icemaker, the bin control must be installed. Failure to properly
install the bin control could result in ice backup and icemaker damage.

1) Install the bin control thermostat assembly as follows. See Fig. 3.
a. Remove the bin control thermostat assembly from the shipping hook.
b. Remove the 2 thumbscrews below the bin control thermostat assembly.
c. Lower the bin control thermostat assembly through the hole located in the bottom of

the icemaker. Secure the bin control thermostat assembly with the lower hook and
the 2 thumbscrews removed in the previous step.

d. Insert the plug into the receptacle on the assembly until it locks into place.

IMPORTANT! The plug must be inserted into the receptacle for the icemaker to
operate.

2) Replace the panels in their correct positions.

Shipping Hook

Bin Control
Thermostat
Assembly

Thumbscrews

Hole

Thumbscrews

Fig. 3

Lower Hook

Plug

Receptacle

Hole

11

E. Electrical Connection

WARNING

For All Models

• 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, re, or damage.

• The icemaker requires an independent power supply of proper capacity. See
the nameplate for electrical specications. 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 ICEMAKER MUST BE GROUNDED. Failure to properly ground the icemaker
could result in death or serious injury.

• Electrical connection must be made in accordance with the instructions on the
"WARNING" tag, provided with the pig tail leads in the junction box. See Fig. 4.

Additional Warnings for Remote Models

• To reduce the risk of electric shock, make all remote condenser unit connections
before connecting the icemaker power supply.

NOTICE

On remote models, the appliance must have power for a minimum of 4hours prior
to startup to prevent compressor damage.

• Usually an electrical permit and services of a licensed electrician are required.

• The maximum allowable voltage variation is ±10 percent of the nameplate rating.

• NOTICE! KM-1100MAJ50 models, the main transformer’s voltage tap switch must be

positioned to match incoming voltage at startup.

• The opening for the power supply connection is 7/8" DIA to t a 1/2" trade size conduit.

KM-1100MAJ50

 WARNING

ELECTRICAL CONNECTION

THIS UNIT MUST BE GROUNDED

Failure to properly ground or wire
this unit could result in death,
serious injury, or severe damage
to the icemaker. The light blue lead
must be connected to the neutral
conductor of the power source.
See diagram below.

230V

L
N

220-240/50/1

L

BROWN

-240V
220

N

LIGHT

BLUE

JUNCTION BOX

4A1169-011

Fig. 4

12

F. Water Supply and Drain Connections

See Figs. 5

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 Certied 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, ice storage bin drain line, and water-cooled condenser drain line
must be run separately. The condensation drain line can be connected to the icemaker
drain line or can 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 condensation drain, ice storage bin, and water-cooled condenser and the oor drain.

13

1. Icemaker

Icemaker Water
Supply Inlet

1/2" Female Pipe
Thread (FPT)

Minimum Icemaker
Water Supply Line Size

3/8" Nominal ID
Copper Water Tubing or
Equivalent

Icemaker Drain
Outlet

3/4" Female Pipe
Thread (FPT)

Minimum Icemaker
Drain Line Size

3/4" Nominal
ID Hard Pipe or
Equivalent

Condensation
Drain Outlet

3/8" OD Hard
Tube

• 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.

Icemaker Water Supply Inlet
1/2" FPT

Minimum 3/8" Nominal ID Copper
Water Tubing or Equivalent

Icemaker

Shut-Off Valve

Icemaker
Drain Outlet
3/4" FPT

Drain Valve

Icemaker
Condensation
Drain Outlet
3/8" OD Hard
Tube

Ice
Storage
Bin

Bin Drain Outlet
3/4" FPT

Minimum 3/4" Nominal ID
Hard Pipe or Equivalent

Fig. 5 Air-Cooled Models

Model Shown:
KM-1100MAJ50

Vent Tube

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-inch (5-cm)
vertical air gap between the
end of each pipe and the
drain.

2-inch (5-cm) air gap

Floor Drain

14

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
dispenser unit/ice 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) For KM-1100MAJ50 model, is there at least 12" (30 cm) clearance at rear, sides, and
top of the icemaker.

4) Have the shipping carton, tape, and packing material been removed from the
appliance? Is the cube guide in the correct position? Are the separators between the
evaporator banks properly attached to their holding clips?

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?
Has a proper ground been installed to the icemaker?

7) Are the water supply and drain lines sized as specied? 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) 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? Have the fan blades
been checked to make sure they turn freely?

10) Are all components, fasteners, and thumbscrews securely in place?

11) 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?

12) Has the end user been given the contact information of an authorized service agent?

13) Has the warranty card been lled out and forwarded to the factory for warranty
registration?

15

H. Startup

WARNING

All parts are factory-adjusted. Improper adjustments may adversely affect safety,
performance, component life, and warranty coverage.

NOTICE

• If the icemaker is turned off, wait for at least 3 minutes before restarting the
icemaker to prevent damage to the compressor.

• To prevent damage to the water pump seal, do not leave the control switch in the
"WASH" position for extended periods when the water tank is empty.

• At startup, conrm that all internal and external connections are free of leaks.

1) Open the water supply line shut-off valve(s).

2) Remove the front panel.

3) Move the control switch on the control box to the "ICE" position.

4) Replace the front panel in its correct position.

5) Turn on the power supply and allow the icemaker to operate for a total of 10 minutes.

6) Turn off the power supply, then remove the front panel and the insulation panel.

7) Slide the cube guide to the right, then remove the rubber cap and sleeve covering the
overow pipe. See Fig. 6. Unscrew the overow pipe. After the water tank has drained,
reconnect the overow pipe. Replace the rubber hose, overow cap, and cube guide in
their correct positions. NOTICE! Make sure the O-ring is attached to the bottom of

the overow pipe and be careful not to cross thread the overow pipe.

8) Replace the insulation panel and the front panel in their correct positions.

9) Clean the dispenser unit/ice storage bin liner using a neutral cleaner. Rinse thoroughly
after cleaning.

10) Turn on the power supply to start the automatic icemaking process.

11) When the icemaker is running, hold an ice cube in
contact with the bulb. The icemaker should stop within
10 seconds. Adjustment may be needed, particularly at
higher altitude locations.

Cube Guide

Rubber Hose

Overow Cap

16

Overow Pipe

O-Ring

Fig. 6

III. Maintenance

The appliance must be maintained in accordance with the instruction manual and labels
provided. Consult with your local Hoshizaki Certied Service Representative about
maintenance service.

WARNING

• Only qualied service technicians should service the appliance.

• To reduce the risk of electric shock, do not touch the control switch with damp
hands.

• 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.

• 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 dispenser unit/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

Icemaker Exterior Wipe down with a clean, soft cloth. Use a damp cloth containing a neutral

Underside of
Icemaker and Top
Kits; Bin Door

Yearly Icemaker and

Dispenser Unit/Ice
Storage Bin

Water Supply Inlet Close the icemaker water supply line shut-off valve and drain the water

Condenser Inspect. Clean if necessary by using a brush or vacuum cleaner. More

Water Hoses Inspect the water hoses and clean/replace if necessary.

Check for proper pressure and change if necessary.

cleaner to wipe off oil or dirt build up. Clean any chlorine staining (rust
colored spots) using a non-abrasive cleanser.

Wipe down with a clean cloth and warmwater.

Clean and sanitize per the cleaning and sanitizing instructions provided in
this manual. See "III.B. Cleaning and Sanitizing Instructions."

system. Clean the water supply inlet screen.

frequent cleaning may be required depending on location.

17

B. Cleaning and Sanitizing Instructions

The icemaker 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 icemaker, 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.

• Do not leave the icemaker unattended when panels are off.

NOTICE

To prevent damage to the water pump seal, do not leave the control switch in the
"WASH" position for extended periods when the water tank is empty.

IMPORTANT

• The cleaning valve is opened during cleaning and sanitizing to allow solution ow
to the inside of the evaporator. It should be closed for all icemaking operation. The
compressor will not operate unless this valve is completely closed.

• To close the cleaning valve, the valve handle should be at a right angle to the
valve body. To open the cleaning valve, the valve handle should be parallel to the
valve body.

CLOSED

Icemaking Operation

Cleaning and Sanitizing Operation

(allows solution ow to the inside of the evaporator)

OPEN

Preparation

1) Remove the front panel, then move the control switch to the "OFF" position.
After 3 min., move the control switch to the "ICE" position, then replace the front panel.

2) After 3 min., remove the front panel, then move the control switch to the "OFF" position.

3) Remove all ice from the ice storage bin. WARNING! If on a dispenser unit, turn off

the dispenser unit power supply after dispensing the ice.

18

Cleaning

4) Remove the front insulation panel, then slide the cube guide to the right. Remove the
rubber cap and sleeve covering the overow pipe. See Fig. 6. Unscrew the overow
pipe. After the water tank has drained, reconnect the overow pipe. Replace the rubber
hose, overow cap, cube guide, and front insulation panel. NOTICE! Make sure the

O-ring is attached to the bottom of the overow pipe and be careful not to cross
thread the overow pipe.

5) To ll the water tank, move the control switch to the "ICE" position, then replace the front
panel. After 3.5 min., remove the front panel, then move the control switch to the "OFF"
position.

6) Remove the front insulation panel, then pour 30 . oz. (887 ml) of Hoshizaki "Scale
Away" into the water tank. Replace the front insulation panel. Turn the cleaning valve to
the left until completely vertical (open).

7) NOTICE! To avoid excessive foaming, wait 1min. before proceeding.
After 1 min., move the control switch to the "WASH" position, then replace the front
panel.

8) After 30 min., remove the front panel, then move the control switch to the "OFF"
position.

9) Remove the front insulation panel, then slide the cube guide to the right. Remove the
rubber hose and overow cap covering the overow pipe. Unscrew the overow pipe.
After the water tank has drained, reconnect the overow pipe. Replace the rubber hose,
overow cap, cube guide, and front insulation panel.

10) In bad or severe water conditions, turn off the power supply, then remove, clean
(cleaning solution = 5 oz. Hoshizaki "Scale Away" per gallon of warm water), rinse,
and replace the cube guides, oat switch, water supply tubes, spray tubes, and spray
guides; turn on the power supply when complete. Otherwise, continue to step 11..

Cleaning Rinse

11) Turn the cleaning valve to the right until completely horizontal (closed). Move the control
switch to the "ICE" position, then replace the front panel. After 3.5 min., remove the front
panel, then move the control switch to the "OFF" position. Note: The icemaker will not
operate unless the cleaning valve is completely closed.

12) Turn the cleaning valve to the left until completely vertical (open). Move the control
switch to the "WASH" position, then replace the front panel. After 5 min., remove the
front panel, then move the control switch to the "OFF" position.

13) Remove the front insulation panel, then slide the cube guide to the right. Remove the
rubber hose and overow cap covering the overow pipe. Unscrew the overow pipe.
After the water tank has drained, reconnect the overow pipe. Replace the rubber hose,
overow cap, cube guide, and front insulation panel.

19

Sanitizing

14) To ll the water tank, turn the cleaning valve to the right until completely horizontal
(closed). Move the control switch to the "ICE" position, then replace the front panel. After

3.5 min., remove the front panel, then move the control switch to the "OFF" position.

15) Remove the front insulation panel, then pour 1.7 . oz. (50 ml) of an 8.25% sodium
hypochlorite solution (chlorine bleach) into the water tank. Replace the front insulation
panel. Turn the cleaning valve to the left until completely vertical (open). IMPORTANT!

Use regular bleach with no additives. Using a bleach with additives causes
excessive foaming during sanitizing, reducing the effectiveness of sanitizing.

16) NOTICE! To avoid excessive foaming, wait 1 min. before proceeding.
After 1 min., move the control switch to the "WASH" position, then replace the front
panel.

17) After 45 min., remove the front panel, then move the control switch to the "OFF"
position.

18) Remove the front insulation panel, then slide the cube guide to the right. Remove the
rubber hose and overow cap covering the overow pipe. Unscrew the overow pipe.
After the water tank has drained, reconnect the overow pipe. Replace the rubber hose,
overow cap, cube guide, and front insulation panel.

Sanitizing Rinse 1

19) Turn the cleaning valve to the right until completely horizontal (closed). Move the control
switch to the "ICE" position, then replace the front panel. After 3.5 min., remove the front
panel, then move the control switch to the "OFF" position.

20) Turn the cleaning valve to the left until completely vertical (open). Move the control
switch to the "WASH" position, then replace the front panel. After 5 min., remove the
front panel, then move the control switch to the "OFF" position.

21) Remove the front insulation panel, then slide the cube guide to the right. Remove the
rubber cap and sleeve covering the overow pipe. Unscrew the overow pipe. After the
water tank has drained, reconnect the overow pipe. Replace the rubber hose, overow
cap, cube guide, and front insulation panel.

Sanitizing Rinse 2

22) Turn the cleaning valve to the right until completely horizontal (closed). Move the control
switch to the "ICE" position, then replace the front panel. After 3.5 min., remove the front
panel, then move the control switch to the "OFF" position.

23) Turn the cleaning valve to the left until completely vertical (open). Move the control
switch to the "WASH" position, then replace the front panel. After 5 min., remove the
front panel, then move the control switch to the "OFF" position.

24) Remove the front insulation panel, then slide the cube guide to the right. Remove the
rubber hose and overow cap covering the overow pipe. Unscrew the overow pipe.
After the water tank has drained, reconnect the overow pipe. Replace the rubber hose,
overow cap, cube guide, and front insulation panel.

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Sanitizing Rinse 3

25) Turn the cleaning valve to the right until completely horizontal (closed). Move the control
switch to the "ICE" position, then replace the front panel. After 3.5 min., remove the front
panel, then move the control switch to the "OFF" position.

26) Turn the cleaning valve to the left until completely vertical (open). Move the control
switch to the "WASH" position, then replace the front panel. After 5 min., remove the
front panel, then move the control switch to the "OFF" position.

27) Remove the front insulation panel, then slide the cube guide to the right. Remove the
rubber hose and overow cap covering the overow pipe. Unscrew the overow pipe.
After the water tank has drained, reconnect the overow pipe. Replace the rubber hose,
overow cap, cube guide, and front insulation panel. NOTICE! Be sure the O-ring is

attached to the bottom of the overow pipe and be careful not to cross thread the
overow pipe.

28) Clean the ice storage bin liner using a neutral cleaner. Rinse thoroughly after cleaning.

29) Turn the cleaning valve to the right until completely horizontal (closed). Move the control
switch to the "ICE" position. Note: If on a dispenser unit, turn on the dispenser unit
power supply.

30) Replace all panels in their correct positions.

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IV. Preparing the Appliance for Periods of Non-Use

NOTICE

• When storing the icemaker for an extended time or in sub-freezing temperatures,
follow the instructions below to prevent damage.

• To prevent damage to the water pump seal, do not leave the control switch in the
"WASH" position for extended periods when the water tank is empty.

When the icemaker is not used for two or three days under normal conditions, it is
sufficient to 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, then remove the front panel.

2) Move the control switch to the "OFF" position.

3) Close the icemaker water supply line shut-off valve, then open the icemaker water
supply line drain valve.

4) Allow the line to drain by gravity.

5) Attach a compressed air or carbon dioxide supply to the icemaker water supply line
drain valve.

6) Move the control switch to the "ICE" position.

7) Replace the front panel in its correct position, then turn on the power supply.

8) Blow the icemaker water supply line out using the compressed air or carbon dioxide
supply.

9) Close the icemaker water supply line drain valve.

2. Drain the water tank:

1) Turn off the power supply, then remove the front panel. Move the control switch to the
"OFF" position.

2) Remove the insulation panel.

3) Slide the cube guide to the right, then remove the rubber hose and overow cap
covering the overow pipe. See Fig. 16. Unscrew the overow pipe. After the water tank
has drained, reconnect the overow pipe. Replace the rubber hose, overow cap, and
cube guide in their correct positions. NOTICE! Make sure the O-ring is attached to

the bottom of the overow pipe and be careful not to cross thread the overow
pipe.

4) Replace the insulation panel in its correct position.

5) Remove all ice from the storage bin. Clean the storage bin using a neutral cleaner.
Rinse thoroughly after cleaning.

6) Replace the front panel in its correct position.

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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 certied 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 1A5128-010

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