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Hoshizaki
Hoshizaki America, Inc.
Modular Crescent Cuber
Models
KM-900MAH50
KM-900MRH50
INSTRUCTION MANUAL
"A Superior Degree
of Reliability"
www.hoshizaki.com
Issued: 6-25-2008

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  • Page 1 Hoshizaki Hoshizaki America, Inc. Modular Crescent Cuber Models KM-900MAH50 KM-900MRH50 INSTRUCTION MANUAL “A Superior Degree of Reliability” www.hoshizaki.com ™ Issued: 6-25-2008...
  • Page 2 Should the reader have any questions or concerns which have not been satisfactorily addressed, please call, write, or send an e-mail message to the Hoshizaki Technical Support Department for assistance. HOSHIZAKI AMERICA, INC.
  • Page 3: Table Of Contents

    CONTENTS I. Specifications ........................4 A. Nameplate Rating ......................4 1. KM-900MAH50 (air-cooled) ..................4 . KM-900MRH50 (remote air-cooled) ................ 5 B. Dimensions / Connections .................... 6 1. KM-900MAH50 ....................6 . KM-900MRH50 ......................7 II.
  • Page 4: Specifications

    I. Specifications A. Nameplate Rating 1. KM-900MAH50 (air-cooled) HOSHIZAKI ICE MAKER MODEL NUMBER KM-900MAH50 SERIAL NUMBER AC SUPPLY VOLTAGE 230V FREQUENCY 50HZ ELECTRICAL CONSUMPTION 2040W COMPRESSOR CONSUMPTION 1490W AMPERAGE STARTING AMPERAGE REFRIGERANT 404A 1550G WEIGHT 98KG MAXIMUM OPERATING PRESSURE 2.88MPa...
  • Page 5: Km-900Mrh50 (Remote Air-Cooled)

    2. KM-900MRH50 (remote air-cooled) HOSHIZAKI ICE MAKER MODEL NUMBER KM-900MRH50 SERIAL NUMBER AC SUPPLY VOLTAGE 230V FREQUENCY 50HZ ELECTRICAL CONSUMPTION 2005W COMPRESSOR CONSUMPTION 1870W AMPERAGE 10.8A STARTING AMPERAGE REFRIGERANT 404A 2504G WEIGHT 98KG CONDITIONS CLASS T MAXIMUM OPERATING PRESSURE 2.88MPa...
  • Page 6: Dimensions / Connections

    B. Dimensions / Connections 1. KM-900MAH50...
  • Page 7: Km-900Mrh50

    2. KM-900MRH50...
  • Page 8: Installation And Operating Instructions

    6) See the nameplate on the rear panel, and check that your voltage 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-500 series.
  • Page 9: Location

    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.
  • Page 10: Electrical Connection

    E. Electrical Connection WARNING 1. Electrical connection must be made in accordance with the label provided next to the junction box. See Fig. 3. . Electrical connections must meet national, state, and local electrical code requirements. Failure to meet these code requirements could cause severe injury to individuals or extensive damage to equipment.
  • Page 11: Installation Of Remote Condenser Unit

    • The maximum line length for the standard refrigerant charge is 66 feet. Should an installation require a longer line length, additional refrigerant must be added. Add .4 oz. of R-404A for each foot over 66 feet to a maximum of 100 feet or call Hoshizaki Technical Support at 1-800-33-1940 for recommendations.
  • Page 12: Setup

    • The maximum line length for the standard refrigerant charge is 66 feet. Should an installation require a longer line length, additional refrigerant must be added. Add .4 oz. of R-404A for each foot over 66 feet to a maximum of 100 feet or call Hoshizaki Technical Support at 1-800-33-1940 for recommendations.
  • Page 13 ) Insulate the two copper tubings separately. 3) Install Parker quick connect couplings on each end. OS-QUICK, a universal quick connect coupling kit available as optional equipment from Hoshizaki America, is recommended. 4) Evacuate through the charging ports on the Parker quick connect couplings and charge with R-404A refrigerant vapor to a pressure of 15 to 30 PSIG (0.10 to 0.1 MPa).
  • Page 14: Electrical Connection

    5. Electrical Connection WARNING 1. Electrical connections must meet national, state, and local electrical code requirements. Failure to meet these code requirements could cause severe injury to individuals or extensive damage to equipment. . Be sure to install a proper ground from the icemaker to the remote condenser unit.
  • Page 15: Water Supply And Drain Connections

    • A plumbing permit and services of a licensed plumber may be required in some areas. • External filters, strainers, or softeners may be required depending on water quality. Contact your local Hoshizaki distributor for recommendations. • Water supply inlet is 1/" female pipe thread (FPT).
  • Page 16 KM-900MAH50 KM-900MRH50 Icemaker Icemaker Water Supply Line Shut-Off Valve Separate piping to approved Icemaker Icemaker Water drain. Leave a two inch (5 cm) Water Supply Inlet Supply Line vertical air gap between the 1/2" FPT Drain Valve end of each pipe and the drain.
  • Page 17: Final Checklist

    H. Final Checklist 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"...
  • Page 18: Startup

    I. Startup CAUTION 1. All parts are factory-adjusted. Improper adjustments may result in failure. . If the icemaker is turned off, wait for at least 3 minutes before restarting the icemaker to prevent damage to the compressor. 3. Do not operate the icemaker in the "WASH" position without water in the water tank.
  • Page 19: Cleaning And Maintenance

    4. Never run the icemaker when the water tank is empty. 1. Cleaning Procedure 1) Dilute 16 fl. oz. (473 ml) of recommended cleaner Hoshizaki "Scale Away" or "LIME-A-WAY" (Economics Laboratory, Inc.) with 3 gal. (11 l) of warm water.
  • Page 20: Sanitizing Procedure - Following Cleaning Procedure

    9) Replace the insulation panel and the front panel in their correct positions. 10) Turn on the power supply to start the washing process. 11) Turn off the power supply after 30 minutes. 1) Remove the front panel. 13) Remove one end of the pump tubing. Drain the water tank. Replace the pump tubing in its correct position.
  • Page 21: Maintenance

    B. Maintenance IMPORTANT This icemaker must be maintained individually, referring to the instruction manual and labels provided with the icemaker. 1. Stainless Steel Exterior To prevent corrosion, wipe the exterior occasionally with a clean, soft cloth. Use a damp cloth containing a neutral cleaner to wipe off oil or dirt build up. 2.
  • Page 22 6) Blow the icemaker water supply line out using the compressed air or carbon dioxide supply. 7) Close the icemaker water supply line drain valve. 2. Drain the water tank: 1) Turn off the power supply and remove the front panel. ) Move the control switch to the "OFF"...
  • Page 23 HOSHIZAKI AMERICA, INC. 618 Hwy. 74 S., Peachtree City, GA 30269 USA TEL (770) 487-2331 FAX (770) 487-3360 www.hoshizaki.com 91A1JJ10D...

This manual is also suitable for:

Km-900mah50

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