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Hoshizaki KM-2500SWH3 Instruction Manual

Stackable crescent cuber
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Hoshizaki
Hoshizaki America, Inc.
Stackable Crescent Cuber
Models
KM-2500SWH3
KM-2500SRH3
INSTRUCTION MANUAL
"A Superior Degree
of Reliability"
www.hoshizaki.com
™
Issued: 1-14-2009

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  • Page 1 Hoshizaki Hoshizaki America, Inc. Stackable Crescent Cuber Models KM-2500SWH3 KM-2500SRH3 INSTRUCTION MANUAL “A Superior Degree of Reliability” www.hoshizaki.com ™ Issued: 1-14-2009...
  • 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

    Please retain this booklet for any further reference that may be necessary. CONTENTS I. Specifications ........................4 A. Nameplate Rating ......................4 1. KM-2500SWH3 (water-cooled)................. 4 2. KM-2500SRH3 (remote air-cooled) ................. 5 B. Dimensions/Connections ....................6 1. KM-2500SWH3 ......................6 2. KM-2500SRH3 ......................7 II.

  • Page 4: Specifications

    I. Specifications A. Nameplate Rating 1. KM-2500SWH3 (water-cooled) HOSHIZAKI ICE MAKER MODEL NUMBER KM-2500SWH3 SERIAL NUMBER AC SUPPLY VOLTAGE 208-230/60/3 COMPRESSOR 230V 12.2 RLA 105 LRA PUMP 120V 1.2FLA 60W - - - OTHER 115V 0.8A MAXIMUM FUSE SIZE 30 AMPS MAX.

  • Page 5: Km-2500Srh3 (Remote Air-Cooled)

    2. KM-2500SRH3 (remote air-cooled) HOSHIZAKI ICE MAKER MODEL NUMBER KM-2500SRH3 SERIAL NUMBER AC SUPPLY VOLTAGE 208-230/60/3 COMPRESSOR 230V 15.38 RLA 130 LRA PUMP 120V 1.2FLA 60W FAN REMOTE 120V 3A MAX OTHER 115V 0.8A MAXIMUM FUSE SIZE 30 AMPS MAX. HACR BREAKER(USA ONLY) 30 AMPS MAX.

  • Page 6: Dimensions/Connections

    B. Dimensions/Connections 1. KM-2500SWH3 Note: When used with a storage bin not recommended by Hoshizaki, the icemaker needs the space at the bottom opening as in the illustration.

  • Page 7: Km-2500Srh3

    2. KM-2500SRH3 Note: When used with a storage bin not recommended by Hoshizaki, the icemaker needs the space at the bottom opening as in the illustration.

  • 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-800 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 +32°C). Operation of the icemaker, for extended periods, outside of these normal temperature ranges may affect icemaker performance.
  • Page 10 Insert the plug into the receptacle on the assembly until it locks into place. If a Hoshizaki B-800, B-900, or B-1150 bin is used: g. Put aside the "Z" bracket; it is not needed with the bins listed above.

  • Page 11: Installation Of Second Unit

    If a Hoshizaki B-1300, B-1500, B-1650, or non-Hoshizaki bin is used: g. Remove the 2 screws securing the thermostat bulb attachment (plastic) to the thermostat extension bracket (stainless). Use the 2 screws to attach the "Z" bracket (plastic) to the thermostat extension bracket (stainless).
  • Page 12 7) Remove the thermostat bulb attachment (plastic) of the upper unit from the thermostat extension bracket (stainless). 8) Carefully remove the thermostat bulb from the thermostat bulb attachment (plastic) of the upper unit. 9) Carefully route the thermostat bulb and capillary tubing of the upper unit through the bottom hole of the upper unit.

  • Page 13: Electrical Connection

    6. On remote air-cooled model, the icemaker should have power for a minimum of 4 hours prior to startup to prevent compressor damage. • Electrical connections must be installed in accordance with applicable national, state, and local regulations. • Usually an electrical permit and services of a licensed electrician are required. • The icemaker requires an independent power supply. See the nameplate for proper voltage and breaker/fuse size. • The maximum allowable voltage variation is ±10 percent of the nameplate rating. • The voltage tap switch in the unit must be positioned to match incoming voltage at startup. See Fig. 8. • The opening for the power supply connection is 7/8" DIA to fit a 1/2" trade size conduit. KM-2500SWH3 KM-2500SRH3 Fig. 8...

  • Page 14: 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 contact HOSHIZAKI Technical Support at 1-800-233-1940 for recommendations. • The maximum vertical distance between the remote condenser unit and the icemaker is 33 feet above or 10 feet below the icemaker.

  • Page 15: Setup

    Field fabricated line sets are allowed, see instructions below. • 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 contact HOSHIZAKI Technical Support at 1-800-233-1940 for recommendations. • The maximum vertical distance between the remote condenser unit and the icemaker is 33 feet above or 10 feet below the icemaker.
  • Page 16 2) Insulate the two copper tubes 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.

  • Page 17: 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. 2. Be sure to install a proper ground from the icemaker to the remote condenser unit.

  • Page 18: Stacking Remote Condenser Unit

    10 PSIG. Do not run the icemaker until the proper water pressure is reached. • Water supply and drain connections must be installed in accordance with applicable national, state, and local regulations. • 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. 1. Icemaker • Water supply inlet is 1/2" female pipe thread (FPT). A minimum of 1/2" OD copper tubing is recommended for the water supply line. • A water supply line shut-off valve and drain valve should be installed. • 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.
  • Page 19 • Condensation drain outlet is a 3/8" OD stainless tube. The icemaker and condensation drain line(s) must be run separately from the storage bin drain line. • Drain lines must have 1/4" fall per foot (2 cm per 1 m) on horizontal runs to get a good flow. A vented tee connection is also required for proper flow. • Drain lines should not be piped directly to the sewer system. An air gap of a minimum of 2 vertical inches (5 cm) should be between the end of the drain pipes from the icemaker, the condensation drain, the storage bin, and the water-cooled condenser (if applicable) and the floor drain.

  • Page 20: Water Supply

    KM-2500SWH3 Connection To A Potable Icemaker Water Supply Inlet 1/2" FPT Water Supply Icemaker Water Supply Line Shut-Off Valve Condenser Drain Outlet 3/8" FPT Icemaker Icemaker Water Supply Line Drain Valve Icemaker Drain Outlet Condenser Water Supply Inlet 1/2" FPT 3/4"...
  • Page 21 KM-2500SRH3 Icemaker Water Supply Inlet 1/2" FPT Icemaker Water Supply Line Shut-Off Valve Icemaker Icemaker Water Supply Line Drain Valve Icemaker Drain Outlet 3/4" FPT Remote Condenser Line Set Connections Condensation Separate piping to approved drain. Drain Outlet Leave a 2 inch (5 cm) vertical air gap 3/8"...

  • Page 22: Final Checklist

    I. 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 (+7°C to +38°C) and the water temperature within +45°F to +90° (+7°C to +32°C) all year around? 3) Is there at least a 6"...

  • Page 23: Startup

    J. Startup CAUTION 1. All parts are factory-adjusted. Improper adjustments may result in failure. 2. On remote air-cooled model, the icemaker should have power for a minimum of 4 hours prior to startup to prevent compressor damage. 3. If the icemaker is turned off, wait for at least 3 minutes before restarting the icemaker to prevent damage to the compressor.

  • Page 24: Cleaning And Maintenance

    Ensure all components, fasteners, and thumbscrews are securely in place after any cleaning or maintenance is done to the equipment. A. Cleaning and Sanitizing Instructions HOSHIZAKI recommends cleaning this icemaker at least once a year. More frequent cleaning, however, may be required in some existing water conditions. WARNING 1.

  • Page 25: Cleaning Procedure

    1. Cleaning Procedure 1) Dilute 38 fl. oz. (1,124 ml) of Hoshizaki "Scale Away" with 7 gal. (26 l) of warm water. 2) Remove all ice from the evaporator and the storage bin. Note: To remove cubes on the evaporator, turn off the power supply and turn it on after 3 minutes.

  • Page 26: Sanitizing Procedure - Following Cleaning Procedure

    21) Remove the front panel and fully open the cleaning valve. 22) Move the control switch to the "WASH" position. 23) Replace the front panel in its correct position. 24) Turn on the power supply to rinse off the cleaning solution. 25) Turn off the power supply after 5 minutes.

  • Page 27: Maintenance Instructions

    B. Maintenance Instructions 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.
  • Page 28 6) Close the drain valve(s) and replace the right side panel in its correct position. 2. Remove the water from the icemaker water supply line: 1) If you have not already done so, turn off the power supply and remove the front panel. 2) Close the icemaker water supply line shut-off valve and open the icemaker water supply line drain valve.
  • Page 29 HOSHIZAKI AMERICA, INC. 618 Hwy. 74 S., Peachtree City, GA 30269 USA TEL (770) 487-2331 FAX (770) 487-3360 www.hoshizaki.com 91A1PC10A...

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Km-2500srh3

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