Hoshizaki F-2000MLF-22 User manual

INSTRUCTION MANUAL
ISSUED: August 27, 1999
F-2000MLF-22
MODULAR FLAKER
Reliability is a
beautiful thingTM
REVISED: January 5, 2005

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HOSHIZAKI AMERICA, INC.
618 Highway 74 South
Peachtree City, GA 30269
Attn: HOSHIZAKI Technical Support Department
Phone: [phone] Technical Service
[phone]
Fax: [phone]
Web Site: www.hoshizakiamerica.com
Note: To expedite assistance, all correspondence/communication MUST include the
following information:
• Model Number
• Serial Number
• Complete and detailed explanation of the problem
Only qualified service technicians should attempt to install, service or maintain
this icemaker. No installation, service or maintenance should be undertaken
until the technician has thoroughly read this Instruction Manual. Likewise, the
owner/manager should not proceed to operate the icemaker until the installer
has instructed them on its proper operation.
HOSHIZAKI provides this manual primarily to assist qualified service technicians in the
installation, maintenance and service of the icemaker.
Should the reader have any questions or concerns which have not been satisfactorily
addressed, please call or write to the HOSHIZAKI Technical Support Department for
assistance.
IMPORTANT

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• Please review this manual. It should be read carefully before the icemaker is installed
and operated. Only qualified service technicians should install, service and maintain the
icemaker. This manual should be made available to the technician prior to installation,
maintenance or service.
• Keep this manual with the icemaker for later reference.
CONTENTS
I. Specifications .................................................................................................................... 4
1. Nameplate Rating ........................................................................................................ 4
2. Dimensions/Connections ............................................................................................. 5
[a] F-2000MLF-22....................................................................................................... 5
[b] With Storage Bin .................................................................................................... 6
II. Installation and Operating Instructions .............................................................................. 7
1. Checks Before Installation ............................................................................................ 7
2. How to Remove Panels ................................................................................................ 7
3. Location ........................................................................................................................ 8
4. Setup ............................................................................................................................ 8
5. Electrical Connection ................................................................................................. 10
6. Water Supply and Drain Connections ......................................................................... 11
7. Final Checklist ............................................................................................................ 12
8. Startup ........................................................................................................................ 13
9. Preparing the Icemaker for Long Storage ................................................................... 13
III. Cleaning and Maintenance ............................................................................................ 15
1. Cleaning and Sanitizing Instructions .......................................................................... 15
[a] Cleaning Solution ................................................................................................ 15
[b] Cleaning Procedure ............................................................................................ 15
[c] Sanitizing Solution............................................................................................... 16
[d] Sanitizing Procedure - Initial................................................................................ 16
[e] Sanitizing Procedure - Final ................................................................................ 17
2. Maintenance ............................................................................................................... 19

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I. Specifications
1. Nameplate Rating
See the nameplate for electrical and refrigeration
specifications. This nameplate is located on the upper
right hand side of the rear panel.
We reserve the right to make changes in specifications and design without prior notice.
MODEL NUMBER
SERIAL NUMBER
AC SUPPLY VOLTAGE
GEAR MOTOR
FAN MOTOR
OTHER
MAXIMUM FUSE USE
MAX. HACR BREAKER (USA ONLY)
MAX. CIRC. BREAKER (CANADA ONLY)
MINIMUM CIRCUIT AMPACITY
DESIGN PRESSURE
REFRIGERANT 22
NOT INTENDED FOR OUTDOOR USE
HOSHIZAKI ICE MAKER
120V 0.03A
15 AMPS
15 AMPS
15 AMPS
15 AMPS
HI-400 PSI LO-230 PSI
F-2000MLF-22
115/60/1
120V 5.6FLA 0.54HP
115V 0.51FLA 8W
LISTED ICE MAKER
WITHOUT STORAGE
MEANS LESS
CONDENSING UNIT
946Z

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2. Dimensions/Connections
[a] F-2000MLF-22 Units = inches [mm.]

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[b] With Storage Bin Units = inches [mm.]

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II. Installation and Operating Instructions
1. Checks Before Installation
WARNING
Remove shipping carton, tape(s) and packing. If packing material is left in the
icemaker, it will not work properly.
1) Remove the front, top and side panels to prevent damage when installing the icemaker. (See
“2. How to Remove Panels.”)
2) Remove the package containing the accessories from inside the icemaker.
3) 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.
4) Check that the refrigerant lines do not rub or touch lines or other surfaces, and that the fan
blade turns freely.
5) See the nameplate on the rear panel, and check that your voltage supplied corresponds
with the voltage specified on the nameplate.
6) This icemaker needs a storage bin. The recommended storage bin is HOSHIZAKI ICE
STORAGE BIN, Model B-500 series.
7) This icemaker is designed for connecting with R-22 multi-compressor rack system.
2. How to Remove Panels
- See Fig. 1
a) Front Panel ............. Remove the screw.
Lift up and pull toward you.
b) Top Panel ................ Lift up front, push away,
and then lift off.
c) Side Panel ............... Remove the screw.
Pull slightly toward you, and
lift off.
Fig. 1

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3. Location
WARNING
This icemaker is not intended for outdoor use. Normal operating ambient
temperature should be within +45°F to +100°F; Normal operating water temperature
should be within +45°F to +90°F. Operation of the icemaker, for extended periods,
outside of these normal temperature ranges may affect production capacity.
For best operating results:
•Icemaker should not be located next to ovens, grills or other high heat producing equipment.
•Location should provide a firm and level foundation for the equipment.
•Allow 6" clearance at rear and sides for proper air circulation and ease of maintenance
and/or service should they be required. Allow 24" clearance at top to allow for removal of
the auger.
4. Setup
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 position.
3) Place the icemaker on the top of the storage bin.
4) Secure the icemaker to the storage bin, by using
the two universal braces and two bolts
provided. See Fig. 2.
5) Seal the seam between the icemaker and the
storage bin.
6) Level the icemaker/storage bin in both the left-to-
right and front-to-rear directions. Adjust the ice
bin legs to make the icemaker level.
7) The flake size is adjustable to small (fine flakes) or large (coarse flakes). The unit is
shipped from the factory to produce fine flakes. To produce coarse flakes, the upper
cutter head must be removed. If adjustment is desired, please contact an authorized
Hoshizaki service company.
Fig. 2

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8) Replace the top panel and the front panel in their correct positions, and secure the front panel
with the screw.
9)
Install enough length of two copper tubings provided with Aeroquip couplings between the
icemaker and the condensing unit. The liquid line should be 3/8" OD and the suction line
should be 5/8" OD. The two copper tubings should be insulated separately.
Note: The icemaker is charged with 3.5 oz. of refrigerant 22. Check
the pressure, and make sure the refrigerant is charged.
10) Remove the plastic caps protecting the couplings. Attach the two refrigerant lines to the
male couplings on the icemaker. Connect the copper tubings to the condenser unit. Each
refrigerant line must be connected as follows:
Icemaker suction line - 5/8" OD tubing to suction line of condensing unit
Icemaker liquid line - 3/8" OD tubing to liquid line of condensing unit
Note: Keep the shut-off valves on the condensing unit closed until after
evacuation.
11) The icemaker and line sets should be evacuated through the charging ports on the
couplings.
12) Open the shut-off valves on the condensing unit.
13) After the icemaker is started, the evaporator pressure needs to be checked. The
evaporator pressure regulator in the icemaker should be adjusted to 16 PSIG for
evaporator pressure.
Fig. 3

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5. Electrical Connection
WARNING
1. Electrical connection must be made in accordance with the instructions on a
“WARNING” tag, provided with the pig tail leads in the junction box.
2. This icemaker requires a ground that meets the national and local electrical
code requirements. To prevent possible electrical shock to individuals or
extensive damage to the equipment, install a proper ground wire to the
icemaker.
•The white lead must be connected to the neutral conductor of the power source. Miswiring
results in severe damage to the icemaker. (See Fig. 4)
•This icemaker must have a separate power supply or receptacle of proper capacity. See
the nameplate.
•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.
Fig. 4

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6. Water Supply and Drain Connections
- See Fig. 5
•External filters, strainers or softeners may be required depending on the water quality.
• Water supply inlet is 1/2" female pipe thread (FPT).
• A water supply line shut-off valve and drain valve should be installed. A minimum of 3/8" OD
copper tubing is recommended for the water supply lines.
•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.
•Drain outlet for icemaking is 3/4" FPT. The icemaker drain piping connection must be made
separately from the bin drain.
•The drains must have 1/4" fall per foot on horizontal runs to get a good flow.
• The drains should not be piped directly to the sewer system. An air gap of a minimum of
2 vertical inches should be between the end of the drain pipe from the icemaker or the ice bin
and the floor drain.
•A plumbing permit and services of a licensed plumber may be required in some areas.
Fig. 5

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7. Final Checklist
1) Is the icemaker level?
2) Is the icemaker in a site where the ambient temperature is within +45°F to +100°F and
the water temperature within +45°F to +90°F all year around?
3) Is there at least 6" clearance at rear and sides and 24" at top for maintenance or
service?
4) Have all shipping carton, tape(s) and packing been removed from the icemaker?
5) Have all electrical and piping connections been made?
6) Has the power supply voltage been checked or tested against the nameplate rating?
And has a proper ground been installed in the icemaker?
7) 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?
Note: The icemaker may stop running when the water supply is OFF, or if the
pressure is below 10 PSIG. When the proper water pressure is reached,
the icemaker automatically starts running again.
8) Have the compressor hold-down bolts and refrigerant lines been checked against
vibration and possible failure?
9) Has the bin control switch been checked for correct operation? Move the actuator
located on the top of the chute. The gear motor should stop in 6 seconds.
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 tag been filled out and forwarded to the factory for warranty
registration?

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8. Startup
WARNING
1. The evaporator pressure regulator should be adjusted. (See “II. 4. Setup.”) The
other parts are factory-adjusted. Improper adjustments may result in failure.
2. If the unit is turned off, wait for at least 3 minutes before restarting the icemaker
to prevent damage to the evaporator.
1) Clean the storage bin. (See “III. 2. Maintenance.”)
2) Open the water supply line shut-off valve.
3) Move the flush switch on the control box to the “ICE” position.
4) Turn on the power switch on the control box.
5) Replace the side, top and front panels in their correct positions.
6) Turn on the power supply.
9. Preparing the Icemaker for Long Storage
- See Fig. 6
WARNING
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.
1) Run the icemaker with the water supply line shut-off valve closed.
2) Open the drain valve and blow out the water inlet line by using air pressure.
3) Turn off the power supply.
4) Remove the front panel.
5) Move the flush switch on the control box to the “FLUSH” position.

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Fig. 6
6) Turn on the power supply, and then drain out all water from the water line.
7) Turn off the power supply.
8) Turn off the power switch on the control box.
9) Replace the front panel in its correct position.
10) Close the drain valve.
11) Remove all ice from the storage bin, and clean the bin.
Shut-off Valve
Drain Valve
Air or CO2

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III. Cleaning and Maintenance
IMPORTANT
Ensure all components, fasteners and thumbscrews are securely in place after
any maintenance or cleaning is done to the equipment.
1. Cleaning and Sanitizing Instructions
WARNING
1. HOSHIZAKI recommends cleaning this unit at least once a year. More
frequent cleaning, however, may be required in some existing water
conditions.
2. To prevent injury to individuals and damage to the icemaker, do not use
ammonia type cleaners.
3. Always wear liquid-proof gloves to prevent the cleaning and sanitizing
solutions from coming into contact with skin.
[a] Cleaning Solution
Dilute 4.8 fl. oz. (142 ml) of recommended cleaner Hoshizaki “Scale Away” or
“LIME-A-WAY” (Economics Laboratory, Inc.) with 0.8 gallons (3 l) of warm water. This is a
minimum amount. Make more solution if necessary.
IMPORTANT
For safety and maximum effectiveness, use the solution immediately after
dilution.
[b] Cleaning Procedure
1) Remove the front panel and top panel, then turn off the power supply.
2) Close the water supply line shut-off valve.
3) Remove all ice from the storage bin.
4) Move the flush switch to the “FLUSH” position.
5) Turn on the power supply and drain out all water from the water line.
6) Turn off the power supply.
Note: This unit is designed to start operating when the reservoir is filled with water.
7) Remove the strap connecting the spout to the chute assembly.
8) Remove the thumbscrews securing the spout and lift it off.

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9) Pour the cleaning solution over the extruding head until the evaporator assembly and the
reservoir are filled and the solution starts to overflow into the drain pan.
Note: If there is excess scale on the extruding head, fill the evaporator assembly and
reservoir as described above, then use a clamp on the reservoir hose between the
reservoir and evaporator assembly to block flow. Pour additional cleaning fluid
over the extruding head until the evaporator assembly is completely full.
10) Replace the spout and strap in their correct positions.
11) Allow the icemaker to sit for about 10 minutes before operation. If you placed a clamp on
the reservoir hose in step 9, remove it before operation.
12) Move the flush switch to the “ICE” position, then turn on the power supply. Replace the
top panel and front panel in their correct positions. Make ice using the solution until the
icemaker stops making ice.
13) Remove the front panel.
14) Move the flush switch to the “FLUSH” position to drain the remainder of the solution.
15) After the solution is drained, move the flush switch to the “ICE” position.
16) Replace the front panel in its correct position.
17) Open the water supply line shut-off valve and supply water to the reservoir.
18) When the gear motor starts, remove the front panel and turn off the power supply.
19) Drain out all water from the water line. See 4) through 6).
[c] Sanitizing Solution
Dilute 2.5 fl. oz. (74 ml or 5 tbs) of IMS-II Sanitizer or a 5.25% sodium hypochlorite solution
(chlorine bleach) with 5 gallons (19 l) of warm water.
IMPORTANT
For safety and maximum effectiveness, use the solution immediately after
dilution.
[d] Sanitizing Procedure - Initial
1) Close the water supply line shut-off valve.
2) Remove the strap connecting the spout to the chute assembly.
3) Remove the thumbscrews securing the spout and lift it off. Remove the rubber O-ring and
nylon O-ring at the top of the cylinder and remove the packing between the spout and
chute.

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4) Pour the sanitizing solution over the extruding head until the evaporator assembly and
the reservoir are filled and the solution starts to overflow into the drain pan.
5) Remove the thumbscrews securing the proximity switch to the chute assembly.
6) Remove the chute assembly from the icemaker.
7) Remove the packing at the bottom of the ice chute.
8) Remove the three ties and the chute insulation.
9) Remove the six wing nuts and two baffles.
10) Remove the two thumbscrews, the plate and the packing from the top of the ice chute,
then remove the bin control assembly by sliding it slightly toward the chute opening and
lifting it off.
11) Disassemble the bin control assembly by removing the two snap pins, shaft and
actuator.
12) Remove the four thumbscrews, spout switch cover, belt switch, and actuator.
13) Soak the removed parts in .25 gallons (1 l) of sanitizing solution for 10 minutes then
wipe them down.
14) Rinse the parts thoroughly.
IMPORTANT
If the solution is left on these parts, they will rust.
15) Replace all parts in their correct positions.
IMPORTANT
When installing the baffles, make sure that the bent surface (the one without the
studs) faces the actuator so that the bent surface can guide the ice to the center
of the actuator.
16) Move the flush switch to the “ICE” position, then turn on the power supply. Replace the
top panel and front panel in their correct positions. Make ice using the solution until the
icemaker stops making ice.
[e] Sanitizing Procedure - Final
1) Remove the front panel and top panel, then turn off the power supply.
2) Move the flush switch to the “FLUSH” position.
3) Turn on the power supply and drain out all water from the water line.

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4) Turn off the power supply.
5) Remove the strap connecting the spout to the chute assembly.
6) Remove the thumbscrews securing the spout and lift it off.
7) Pour the sanitizing solution over the extruding head until the evaporator assembly and
the reservoir are filled and the solution starts to overflow into the drain pan.
8) Replace the spout and strap in their correct positions.
9) Allow the icemaker to sit for about 10 minutes before operation.
10) Move the flush switch to the “ICE” position, then turn on the power supply. Replace the
top panel and front panel in their correct positions. Make ice using the solution until the
icemaker stops making ice.
11) Remove the front panel.
12) Move the flush switch to the “FLUSH” position to drain the remainder of the solution.
13) After the solution is drained, move the flush switch to the “ICE” position.
14) Replace the front panel in its correct position.
15) Open the water supply line shut-off valve and supply water to the reservoir.
16) When the gear motor starts, remove the front panel and turn off the power supply.
17) Drain out all water from the water line. See 2) and 3).
18) Move the flush switch to the “ICE” position and run the icemaker.
19) Turn off the power supply after 30 minutes.
20) Pour warm water into the storage bin to melt all ice, then clean the bin liner with the
solution.
21) Flush out any solution from the storage bin.
22) Turn on the power supply and start the automatic icemaking process.
IMPORTANT
1. After cleaning, do not use ice made from the sanitizing solution. Be careful
not to leave any solution in the storage bin.
2. Follow carefully any instructions provided with the bottles of cleaning or
sanitizing solution.
3. Never run the icemaker when the reservoir is empty.

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2. Maintenance
IMPORTANT
1. This icemaker must be maintained individually, referring to the instruction
manual and labels provided with the icemaker.
2. To have the optimum performance of this icemaker, the following
consumable parts need periodical inspection, maintenance and replacement:
Extruding Head
Housing
Gear Motor
Auger
Mechanical Seal
These parts should be inspected at least once a year or every 10,000 hours of
operation. Their service life, however, depends on water quality and
environment. More frequent inspection and maintenance are recommended.
Consult with your local distributor about inspection and maintenance service.
To obtain the name and phone number of your local distributor, call Hoshizaki
Care at 1-800-233-1940 in the USA.
1) Stainless Steel Exterior
To prevent corrosion, wipe the exterior occasionally with a clean and 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 (accessory).
•The storage bin is for ice use only. Do not store anything else in the bin.
•Keep the scoop clean. Clean using a neutral cleaner and rinse thoroughly.
•Clean the bin liner using a neutral cleaner. Rinse thoroughly after cleaning.

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91U2CV11B
HOSHIZAKI
HOSHIZAKI AMERICA, INC.
618 HIGHWAY 74 SOUTH
PEACHTREE CITY, GA 30269
U.S.A.
PHONE: [phone]
www.hoshizakiamerica.com