Hoshizaki Hoshizaki America, Inc. Modular Flaker Models F-450MAH(-C) “A Superior Degree of Reliability” INSTRUCTION MANUAL www.hoshizaki.
IMPORTANT Only qualified service technicians should install, service, and maintain the 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.
IMPORTANT This manual should be read carefully before the icemaker is installed and operated. Only qualified service technicians should install, service, and maintain the icemaker. 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 Important Safety Information.................................................................................................. 4 I.
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. CAUTION Indicates a situation which could result in damage to the unit. IMPORTANT Indicates important information about the use and care of the unit.
I. Specifications A. Nameplate Rating 1. F-450MAH(-C) (air-cooled) HOSHIZAKI ICE MAKER MODEL NUMBER SERIAL NUMBER AC SUPPLY VOLTAGE COMPRESSOR GEAR MOTOR FAN MOTOR OTHER MAXIMUM FUSE SIZE MAX. HACR BREAKER (USA ONLY) MAX. CIRC. BREAKER (CANADA ONLY) MINIMUM CIRCUIT AMPACITY DESIGN PRESSURE REFRIGERANT F-450MAH 115-120/60/1 120V 7.5RLA 54.5 LRA 115V 2.4FLA 1/4HP 120V 0.85FLA 1/15HP 120V 0.
B. Dimensions/Connections Unit: [in.] mm 1.
II. Installation and Operating Instructions WARNING 1. This icemaker must be installed in accordance with all applicable national, state, and local 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 • Visually inspect the exterior of the shipping container and immediately report any damage to the carrier.
C. Location CAUTION 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.
E. Electrical Connection WARNING 1. 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. 2. This icemaker 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.
F. Water Supply and Drain Connections See Fig. 4 WARNING 1. Water supply and drain connections must be installed in accordance with applicable national, state, and local regulations. 2. 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. 3.
Icemaker Water Supply Inlet 1/2" FPT Icemaker Water Supply Line Shut-Off Valve Icemaker Icemaker Drain Outlet 3/4" FPT Icemaker Water Supply Line Drain Valve Bin Separate piping to approved drain. Leave a two-inch (5 cm) vertical air gap between the end of each pipe and the drain. Bin Drain Outlet 3/4" FPT Fig.
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.
H. Startup WARNING 1. All parts are factory-adjusted. Improper adjustments may adversely affect safety, performance, component life, and warranty coverage. 2. If the icemaker is turned off, wait for at least 3 minutes before restarting the icemaker to prevent damage to the compressor. 3. At startup, confirm that all internal and external connections are free of leaks. 1) Open the water supply line shut-off valve. 2) Remove the front panel.
g) Move the power switch to the "OFF" position, then turn off the power supply. h) Replace the chute assembly and strap in their correct positions. i) Move the power switch to the "ON" position. j) Replace the top and front panels in their correct positions. 7) Pour warm water into the storage bin and melt any remaining ice. Clean the storage bin liner using a neutral cleaner. Rinse thoroughly after cleaning. WARNING! CHOKING HAZARD: Ensure all components, fasteners, and thumbscrews are securely in place.
III. Cleaning and Maintenance 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 and Sanitizing Instructions Hoshizaki recommends cleaning and sanitizing this unit at least twice a year. More frequent cleaning and sanitizing, however, may be required in some existing water conditions. WARNING 1.
2. Cleaning Procedure 1) Turn off the power supply, then remove the front panel. Make sure the power switch is in the "ON" position, then move the control switch to the "DRAIN" position. Replace the front panel in its correct position. 2) Close the icemaker water supply line shut-off valve. 3) Turn on the power supply and allow the water system to drain for 5 minutes. 4) Turn off the power supply, then remove the front and top panels. Move the power switch to the "OFF" position.
16) After the gear motor starts, turn off the power supply. Remove the front panel, then move the control switch to the "DRAIN" position. Replace the front panel in its correct position. 17) Turn on the power supply and allow the water system to drain for 5 minutes. Note: If you do not sanitize the unit, go to step 14 in "III.A.5. Sanitizing Procedure ‑ Final." 18) Turn off the power supply, then close the icemaker water supply line shut-off valve. 3.
12) Move the control switch to the "ICE" position, then move the power switch to the "ON" position. Replace the panels in their correct positions, then turn on the power supply. Make ice using the solution until the icemaker stops making ice. 13) Turn off the power supply, then remove the front panel. Move the control switch to the "DRAIN" position, then replace the front panel in its correct position. 14) Turn on the power supply and allow the water system to drain for 5 minutes.
B. Maintenance This icemaker must be maintained individually, referring to the instruction manual and labels provided with the icemaker. The schedule below is a guideline. More frequent maintenance, however, may be required depending on water quality, the icemaker's environment, and local sanitation regulations. Consult with your local distributor about inspection and maintenance service. To obtain the name and phone number of your local distributor, visit www.hoshizaki.
Frequency After 3 Years, then Yearly Area Upper Bearing (extruding head); Lower Bearing and O-Ring (lower housing); Mechanical Seal; Evaporator Cylinder; Auger Maintenance Schedule (continued) Task Inspect. Replace both upper bearing and lower bearing if wear exceeds factory recommendations. Replace the mechanical seal if the seal's contact surfaces are worn, cracked, or scratched. C.
6) Turn on the power supply, then move the power switch to the "ON" position. Blow out the evaporator drain line using the compressed air or carbon dioxide supply until water stops coming out. 7) Move the power switch to the "OFF" position, then turn off the power supply. Reconnect the evaporator drain line hose. 8) Replace the front panel in its correct position. 9) Remove all ice from the storage bin. Clean the storage bin liner using a neutral cleaner. Rinse thoroughly after cleaning.
HOSHIZAKI AMERICA, INC. 618 Hwy. 74 S., Peachtree City, GA 30269 USA TEL (770) 22 487-2331 FAX (770) 487-3360 www.hoshizaki.
