Hoshizaki KM-501MRH Instruction Manual
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Hoshizaki KM-501MRH Instruction Manual

Hoshizaki KM-501MRH Instruction Manual

Modular crescent cuber
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Hoshizaki
Hoshizaki America, Inc.
Modular Crescent Cuber
Models
KM-501MAH
KM-501MWH
KM-501MRH
INSTRUCTION MANUAL
"A Superior Degree
of Reliability"
www.hoshizaki.com
™
Issued: 2-13-2006

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Summary of Contents for Hoshizaki KM-501MRH

  • Page 1 Hoshizaki Hoshizaki America, Inc. Modular Crescent Cuber Models KM-501MAH KM-501MWH KM-501MRH INSTRUCTION MANUAL “A Superior Degree of Reliability” www.hoshizaki.com ™ Issued: 2-13-2006...
  • Page 2 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.

  • Page 3: Table Of Contents

    I. Specifications... 4 A. Nameplate Rating ... 4 1. KM-501MAH (air-cooled)... 4 2. KM-501MWH (water-cooled) ... 5 3. KM-501MRH (remote air-cooled) ... 6 B. Dimensions / Connections ... 7 1. KM-501MAH ... 7 2. KM-501MWH ... 8 3. KM-501MRH... 9 II.

  • Page 4: Specifications

    I. Specifications A. Nameplate Rating 1. KM-501MAH (air-cooled) HOSHIZAKI ICE MAKER MODEL NUMBER SERIAL NUMBER AC SUPPLY VOLTAGE COMPRESSOR PUMP OTHER MAXIMUM FUSE SIZE MAX. HACR BREAKER(USA ONLY) MAX. CIRC. BREAKER (CANADA ONLY) MINIMUM CIRCUIT AMPACITY DESIGN PRESSURE REFRIGERANT MOTOR-COMPRESSOR THERMALLY PROTECTED, NOT INTENDED FOR OUTDOOR USE! See the nameplate for electrical and refrigeration specifications.

  • Page 5: Km-501Mwh (Water-Cooled)

    2. KM-501MWH (water-cooled) HOSHIZAKI ICE MAKER MODEL NUMBER SERIAL NUMBER AC SUPPLY VOLTAGE COMPRESSOR PUMP OTHER MAXIMUM FUSE SIZE MAX. HACR BREAKER(USA ONLY) MAX. CIRC. BREAKER (CANADA ONLY) MINIMUM CIRCUIT AMPACITY DESIGN PRESSURE REFRIGERANT MOTOR-COMPRESSOR THERMALLY PROTECTED, NOT INTENDED FOR OUTDOOR USE! See the nameplate for electrical and refrigeration specifications.

  • Page 6: Km-501Mrh (Remote Air-Cooled)

    3. KM-501MRH (remote air-cooled) HOSHIZAKI ICE MAKER MODEL NUMBER SERIAL NUMBER AC SUPPLY VOLTAGE COMPRESSOR PUMP FAN REMOTE OTHER MAXIMUM FUSE SIZE MAX. HACR BREAKER(USA ONLY) MAX. CIRC. BREAKER (CANADA ONLY) MINIMUM CIRCUIT AMPACITY DESIGN PRESSURE REFRIGERANT MOTOR-COMPRESSOR THERMALLY PROTECTED, NOT INTENDED FOR OUTDOOR USE! See the nameplate for electrical and refrigeration specifications.

  • Page 7: Dimensions / Connections

    B. Dimensions / Connections Unit: inches (mm.) 1. KM-501MAH...

  • Page 8: Km-501Mwh

    Unit: inches (mm.) 2. KM-501MWH...

  • Page 9: Km-501Mrh

    Unit: inches (mm.) 3. KM-501MRH...

  • Page 10: 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-300 series.

  • Page 11: Location

    C. Location 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.

  • Page 12: Electrical Connection

    E. Electrical Connection 1. Electrical connection must be made in accordance with the instructions on the "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.

  • Page 13: Installation Of Remote Condenser Unit

    F. Installation of Remote Condenser Unit 1. Checks Before Installation 1) Unpack and remove shipping carton, tape(s) and packing. 2) Check that the refrigerant lines do not rub or touch lines or other surfaces, and that the fan blade moves freely. 2.

  • Page 14: Setup

    The two copper tubings should be insulated separately. See Fig. 6. • Precharged tubing kits, available as optional equipment from HOSHIZAKI AMERICA are recommended. 4) Line sets fabricated in the field should be evacuated through the charging ports on the Parker quick connect couplings and charged with R-404A refrigerant vapor to a pressure of 15 - 30 PSIG.

  • Page 15: Electrical Connection

    3) Connect the fan motor leads in the junction box of the remote condenser unit to the fan motor leads in the junction box of the HOSHIZAKI remote air-cooled icemaker. 4) Install a ground wire from the icemaker to the remote condenser unit.

  • Page 16: Stacking Condenser Unit

    5. Stacking Condenser Unit 1) Secure the lower condenser unit to the legs with eight bolts (not included). 2) Attach the upper condenser unit on the top of the lower. 3) Secure the upper condenser unit with the four screws provided. 4) Install refrigerant lines, and make electrical connection for each fan motor as shown in Items 3.

  • Page 17: Water Supply And Drain Connections

    Note: An optional strainer should be installed next to the water supply inlet in the water supply line. HOSHIZAKI recommended optional strainer Part Code 311166A01. • 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 18 KM-501MAH KM-501MRH KM-501MWH Fig. 9...

  • Page 19: Final Checklist

    H. 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 and the water temperature within +45°F to +90°F all year around? 3) Is there at least 6" clearance at sides, rear and top of the icemaker for maintenance or service? 4) Have all shipping carton, tapes and packing been removed from the icemaker? Is the cube guide in its correct position?

  • Page 20: Startup

    I. Startup 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. 3. Do not operate the unit in the "WASH" position without water in the water tank.

  • Page 21: Preparing The Icemaker For Long Storage

    J. Preparing the Icemaker for Long Storage 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.
  • Page 22 3. Follow the instructions below to drain the potable water tank. 1) Turn off the power supply. 2) Move the control switch on the control box to the "OFF" position. 3) Remove the base cover. 4) Remove one end of the pump tubing and drain the water tank. 5) Replace the pump tubing and the base cover in their correct positions.

  • Page 23: Cleaning And Maintenance Instructions

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

  • Page 24: Cleaning Procedure

    1. Cleaning Procedure 1) Dilute approximately 16 fl. oz. of recommended cleaner Hoshizaki "Scale Away" or "LIME-A-WAY," (Economics Laboratory, Inc.) with 3 gal. of 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 25: Sanitizing Procedure - Following Cleaning Procedure

    2. Sanitizing Procedure - Following Cleaning Procedure 1) Dilute a 5.25% sodium hypochlorite solution with water (Add 1.5 fl. oz. of sanitizer to 3 gal. of water). 2) Remove the insulation panel. 3) Pour the sanitizing solution into the water tank. 4) Replace the insulation panel and the front panel in their correct positions.

  • Page 26: Maintenance

    B. Maintenance 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 and soft cloth. Use a damp cloth containing a neutral cleaner to wipe off oil or dirt build up. 2.
  • Page 27 HOSHIZAKI AMERICA, INC. 618 Hwy. 74 S., Peachtree City, GA 30269 USA TEL (770) 487-2331 FAX (770) 487-3360 www.hoshizaki.com 91A1MN10A...

This manual is also suitable for:

Km-501mwhKm-501mah

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