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Hoshizaki America, Inc.
Hoshizaki
Modular Crescent Cuber
Models
KMD-450MAH
KMD-450MWH
INSTRUCTION MANUAL
“A Superior Degree
of Reliability”
www.hoshizaki.com
™
Issued: 1-19-2009
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IMPORTANT Only qualified service technicians should 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. Failure to install, operate, and maintain the equipment in accordance with this manual may adversely affect safety, performance, comp
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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 .............................................................................................
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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. WARNING This icemaker should be destined only to the use for which it has been e
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I. Specifications A. Nameplate Rating 1. KMD-450MAH (self-contained air-cooled) HOSHIZAKI ICE MAKER MODEL NUMBER KMD-450MAH SERIAL NUMBER AC SUPPLY VOLTAGE 115-120/60/1 COMPRESSOR 115-120V 8.6RLA 54.5LRA PUMP 120V 0.5FLA 23W FAN 120V 0.5A 63W OTHER 115-120V 0.15A MAXIMUM FUSE SIZE 15 AMPS MAX. HACR BREAKER(USA ONLY) 15 AMPS MAX. CIRC. BREAKER (CANADA ONLY) 15 AMPS MINIMUM CIRCUIT AMPACITY 15 AMPS DESIGN PRESSURE HI-467PSI LO-230PSI REFRIGERANT 404A 1 LB 5 OZ MOTOR-COMPRESSOR THERMALLY PR
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2. KMD-450MWH (water-cooled) HOSHIZAKI ICE MAKER MODEL NUMBER KMD-450MWH SERIAL NUMBER AC SUPPLY VOLTAGE 115-120/60/1 COMPRESSOR 115-120V 7.8RLA 54.5LRA PUMP 120V 0.5FLA 23W OTHER 115-120V 0.15A MAXIMUM FUSE SIZE 15 AMPS MAX. HACR BREAKER(USA ONLY) 15 AMPS MAX. CIRC. BREAKER (CANADA ONLY) 15 AMPS MINIMUM CIRCUIT AMPACITY 15 AMPS DESIGN PRESSURE HI-427PSI LO-230PSI REFRIGERANT 404A 1 LB 1 OZ MOTOR-COMPRESSOR THERMALLY PROTECTED, NOT INTENDED FOR OUTDOOR USE! Hoshizaki America, Inc. Peac
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B. Dimensions/Connections 1. KMD-450MAH 7 Unit: mm [in.] Note: 5 [0.98] increases to 101. [3.98] when lower set of mounting holes is used.
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2. KMD-450MWH 8 Unit: mm [in.] Note: 5 [0.98] increases to 101. [3.98] when lower set of mounting holes is used.
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II. Installation and Operating Instructions WARNING 1. This icemaker must be installed in accordance with applicable national, state, and local regulations. . CHOKING HAZARD: Ensure all components, fasteners, and thumbscrews are securely in place after installation. Make sure that none have fallen into the dispenser unit/storage bin. A. Checks Before Installation • Visually inspect the exterior of the shipping container and immediately report any damage to the carrier. Upon opening the con
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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 3°C). Operation of the icemaker, for extended periods, outside of these normal temperature ranges may affect icemaker performance. . This icemaker will not work at sub-freezing temperatures. To prevent damage to the water supply line, drain the icemaker if the air te
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Tape Bin Control Lead Pump Motor E. Bin Control Installation Connector 1) Remove the thumbscrews securing Float Switch Connector insulation panel (B), then remove insulation panel (B). See Fig. 3. Thumbscrews ) Disconnect the discharge hose, the drain valve drain hose, and the overflow drain hose. Drain Valve 3) Disconnect the pump motor connector and Drain Hose the float switch connector from the side of Insulation Overflow Discharge Bin the control box. Panel (B) Drain Hose Hos
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11) Reconnect the pump motor connector and the float switch connector. 1) Replace insulation panel (B) in its correct position and secure with the thumbscrews. 13) Replace insulation panel (A), the top insulation, and the exterior panels in their correct positions. F. 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,
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G. Water Supply and Drain Connections See Fig. 7, 8, or 9 WARNING 1. Water supply and drain connections must be installed in accordance with applicable national, state, and local regulations. . Normal operating water temperature should be within 45°F to 90°F (7°C to 3°C). Operation of the icemaker, for extended periods, outside of this normal temperature range may affect icemaker performance. 3. To prevent damage to equipment, do not operate the icemaker when the water supply is off, or i
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1. Icemaker • Icemaker water supply inlet is 1/" female pipe thread (FPT). A minimum of 3/8" OD copper tubing is recommended for the icemaker water supply line. • An icemaker water supply line shut-off valve and drain valve should be installed. • Icemaker drain outlet is 3/4" FPT. A minimum of 3/4" OD hard pipe is recommended for the icemaker drain line. Icemaker Icemaker Water Supply Icemaker Water Supply Line Inlet Shut-Off Valve 1/" FPT Icemaker Water Supply Line Drain Valve Bin Drai
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2. Water-Cooled Condenser (if applicable) a) Connection to an Open Drain System • Condenser water supply inlet is 1/" female pipe thread (FPT). A minimum of 3/8" OD copper tubing is recommended for the condenser water supply line. • A condenser water supply line shut-off valve and drain valve should be installed. • Condenser drain outlet is 1/" FPT. A minimum of 3/8" OD hard pipe is recommended for the condenser drain line. • In some areas, a back flow preventer may be required in the cooli
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b) Connection to a Closed Loop System • Condenser water supply inlet is 1/" female pipe thread (FPT). A minimum of 3/8" OD copper tubing is recommended for the condenser water supply line. • Condenser return outlet is 1/" FPT. A minimum of 3/8" OD hard pipe is recommended for the condenser return line. • Shut-off valves and drain valves should be installed at both the condenser water supply inlet and condenser return outlet. • The water supply to the condenser should not drop below 4 GPM.
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H. 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/storage bin. 1) Is the icemaker level? ) 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 3°C) all year around? 3) Is there at least 6" (15 cm) clearance at rear, left side, and top and 1" (30 cm) clear
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I. Startup WARNING 1. All parts are factory-adjusted. Improper adjustments may adversely affect safety, performance, component life, and warranty coverage. . If the icemaker is turned off, wait for at least 3 minutes before restarting the icemaker to prevent damage to the compressor. 3. To prevent damage to the water pump, do not leave the control switch in the "SERVICE" position for extended periods of time when the water tank is empty. 4. At startup, confirm that all internal and externa
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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 dispenser unit/storage bin. A. Cleaning and Sanitizing Instructions Hoshizaki recommends cleaning and sanitizing this unit at least once a year. More frequent cleaning and sanitizing, however, may be required in some existing water conditions. WARNING 1. To prevent injur
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8) In bad or severe water conditions, clean the float switch as described below. Otherwise, continue to step 9. a. Remove the thumbscrews securing insulation panel (B), then remove insulation panel (B). See Fig. 10. b. Disconnect the discharge hose, the drain valve drain hose, and the overflow drain hose. c. Disconnect the pump motor connector and the float switch connector from the side of the control box. d. Remove the thumbscrews securing the pump motor and float switch assembly. See
