Hoshizaki F-801MAH User manual

INSTRUCTION MANUAL
ISSUED: November 12, 2003
F-801MAH(-C)
F-801MWH(-C)
MODULAR FLAKER
Reliability is a
beautiful thing
TM
REVISED: December 30, 2004

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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
[a] F-801MAH, F-801MAH-C (air-cooled)................................................................... 4
[b] F-801MWH, F-801MWH-C (water-cooled) ............................................................ 5
2. Dimensions/Connections ............................................................................................. 6
[a] F-801MAH, F-801MAH-C...................................................................................... 6
[b] F-801MWH, F-801MWH-C .................................................................................... 7
[ c ]With Storage Bin .................................................................................................. 8
II. Installation and Operating Instructions .............................................................................. 9
1. Checks Before Installation............................................................................................ 9
2. How to Remove Panels ................................................................................................ 9
3.Location...................................................................................................................... 10
4. Setup .......................................................................................................................... 10
5. Electrical Connection ................................................................................................. 11
6.Water Supply and Drain Connections......................................................................... 12
7. Final Check List.......................................................................................................... 14
8.Startup........................................................................................................................ 15
9. Preparing the Icemaker for Long Storage ................................................................... 16
III. Cleaning and Maintenance............................................................................................ 17
1. Cleaning and Sanitizing Instructions .......................................................................... 17
[a] Cleaning Solution................................................................................................ 17
[b] Cleaning Procedure ............................................................................................ 18
[c] Sanitizing Solution............................................................................................... 19
[d] Sanitizing Procedure - Initial................................................................................ 19
[e] Sanitizing Procedure - Final ................................................................................ 20
2.MaintenanceInstructions............................................................................................ 22

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MODEL NUMBER
SERIAL NUMBER
AC SUPPLY VOLTAGE
COMPRESSOR
GEAR MOTOR
FAN MOTOR
OTHER
MAXIMUM FUSE USE
MAX. HACR BREAKER (USA ONLY)
MAX. CIRC. BREAKER (CANADA ONLY)
MINIMUM CIRCUIT AMPACITY
DESIGN PRESSURE
REFRIGERANT 404A
MOTOR-COMPRESSOR THERMALLY PROTECTED
NOT INTENDED FOR OUTDOOR USE
I. Specifications
1. Nameplate Rating
[a] F-801MAH, F-801MAH-C (air-cooled)
See the nameplate for electrical and refrigeration
specifications. This nameplate is located on the
upper right hand side of rear panel.
We reserve the right to make changes in specifications and design without prior notice.
NOTE: Only the “MODEL NUMBER” is replaced for F-801MAH-C.
HOSHIZAKI ICE MAKER
120V 3.0FLA 1/4HP
120V 0.03A 20 AMPS
20 AMPS
20 AMPS
20 AMPS
HI-427PSI LO-230PSI
1 lb. 12 oz.
120V .85FLA 1/15HP
F-801MAH
115/60/1
115V 8.5RLA 51LRA

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See the nameplate for electrical and refrigeration
specifications. This nameplate is located on the
upper right hand side of rear panel.
We reserve the right to make changes in specifications and design without prior notice.
NOTE: Only the “MODEL NUMBER” is replaced for F-801MWH-C.
[b] F-801MWH, F-801MWH-C (water-cooled)
MODEL NUMBER
SERIAL NUMBER
AC SUPPLY VOLTAGE
COMPRESSOR
GEAR MOTOR
FAN MOTOR
OTHER
MAXIMUM FUSE USE
MAX. HACR BREAKER (USA ONLY)
MAX. CIRC. BREAKER (CANADA ONLY)
MINIMUM CIRCUIT AMPACITY
DESIGN PRESSURE
REFRIGERANT 404A
MOTOR-COMPRESSOR THERMALLY PROTECTED
NOT INTENDED FOR OUTDOOR USE
HOSHIZAKI ICE MAKER
120V 3.0FLA 1/4HP
120V 0.03A
20 AMPS
20 AMPS
20 AMPS
20 AMPS
HI-427PSI LO-230PSI
15 oz.
F-801MWH
115-60/1
115V 8.5RLA 51LRA

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2. Dimensions/Connections
[a] F-801MAH, F-801MAH-C Unit = inches [mm.]

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[b] F-801MWH, F-801MWH-C Unit = inches [mm.]

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[ c ] With Storage Bin Unit = inches [mm.]

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Fig. 1
II. Installation and Operating Instructions
1. Checks Before Installation
WARNING
Removeshippingcarton,tape(s)andpacking.Ifpackingmaterialisleftinthe
icemaker,itwillnotworkproperly.
IMPORTANT
Ensure all components, fasteners and thumbscrews are securely in place.
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)Removetheprotectiveplasticfilm 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) Check that the compressor is snug on all mounting pads.
6)See the nameplate on the rearpanel, and check that yourvoltage supplied corresponds
with the voltage specified on the nameplate.
7) This icemaker needs a storage bin. The recommended storage bin is HOSHIZAKI ICE
STORAGE BIN, Model B-300 series.
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.
Pullslightlytowardyou,and
lift off.

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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) Replace the top panel and the front panel in their correct positions, and secure the
front panel with the screw.
Fig. 2

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Fig. 3
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. 3.
• 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

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6. Water Supply and Drain Connections
- See Fig. 4
• External filters, strainers or softeners may be required depending on the water quality.
•
Water supply inlet is 1/2" female pipe thread (FPT).
Note: On water-cooled model, two water supply inlets are provided. One is
for ice making water, and the other is for cooling water.
•
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 and the condenser drain
piping connections must be made separately from the bin drain.
Note: On water-cooled model, a 3/8" FPT is provided for the cooling water outlet.
• 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.
• In some areas, a back flow preventer may be required in the cooling water circuit.

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F-801MWH,F-801MWH-C
F-801MAH, F-801MAH-C
Fig. 4

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7. Final Check List
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)
Are all components, fasteners and thumbscrews securely in place?
6) Have all electrical and piping connections been made?
7) Has the power supply voltage been checked or tested against the nameplate rating and
the correct voltage selected? And has a proper ground been installed in 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?
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.
9) Have the compressor hold-down bolts and refrigerant lines been checked against
vibration and possible failure?
10) Has the bin control switch been checked for correct operation? Move the actuator
located on the top of the chute. The compressor should stop in 6 seconds, and the gear
motor in 6 seconds.
11) 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?
12) Has the end user been given the name and telephone number of an authorized service
agent?
13) Has the warranty tag been filled out and forwarded to the factory for warranty
registration?

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8. Startup
WARNING
1. All 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 compressor.
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.

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9. Preparing the Icemaker for Long Storage
- See Fig. 10 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.
• Air-Cooled Models
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.
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.
• Water-Cooled Model
1) Turn off the power supply and wait for 3 minutes.
2) Turn on the power supply and wait for 20 seconds.
3) Close the water supply line shut-off valve.
4) Open the drain valve and quickly blow the water supply line from the drain valve to drain
water in the condenser.
5) Follow the above steps 3) through 11) in “• Air-Cooled Models.”
Fig. 5

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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.

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[b] Cleaning Procedure
The cleaning process will remove lime deposits from the water system.
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.
7) Remove the strap connecting the spout to the chute assembly.
8) Remove the thumbscrews securing the spout and lift it off.
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).

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[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
The sanitizing process will sanitize the icemaker.
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 also remove the packing between the spout
and the chute.
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 two 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) Soak the removed parts in .25 gallons (1 l) of sanitizing solution for 10 minutes then
wipe them down.
13) Rinse the parts thoroughly. IMPORTANT
If the solution is left on these parts, they will rust.

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14) 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
oftheactuator.
15) 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.
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.