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Hoshizaki America, Inc.
Hoshizaki
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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IMPORTANT Only qualified service technicians should attempt to 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. HOSHIZAKI provides this manual primarily to assist qualified service technicians in the installation, maintenance and service o
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• Please review this manual. It should be read carefully before the icemaker is installed and operated. Only qualified service technicians should install, service and maintain the icemaker. This manual should be made available to the technician prior to installation, maintenance or service. • Keep this manual with the icemaker for later reference. CONTENTS I. Specifications ....................................................................................................................
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I. Specifications A. Nameplate Rating 1. KM-501MAH (air-cooled) HOSHIZAKI ICE MAKER MODEL NUMBER KM-501MAH SERIAL NUMBER AC SUPPLY VOLTAGE 115-120/60/1 COMPRESSOR 115-120V 11RLA 50LRA PUMP 120V 0.5FLA 10W FAN 120V 0.85FLA 50W OTHER 115-120V 0.15A MAXIMUM FUSE SIZE 20 AMPS MAX. HACR BREAKER(USA ONLY) 20 AMPS MAX. CIRC. BREAKER (CANADA ONLY) 20 AMPS MINIMUM CIRCUIT AMPACITY 20 AMPS DESIGN PRESSURE HI-467PSI LO-206PSI REFRIGERANT 404A 1 LB 10 OZ MOTOR-COMPRESSOR THERMALLY PROTECTED, NOT INTENDED
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2. KM-501MWH (water-cooled) HOSHIZAKI ICE MAKER MODEL NUMBER KM-501MWH SERIAL NUMBER AC SUPPLY VOLTAGE 115-120/60/1 COMPRESSOR 115-120V 10.5RLA 50LRA PUMP 120V 0.5FLA 10W FAN --- --- --- OTHER 115-120V 0.15A MAXIMUM FUSE SIZE 20 AMPS MAX. HACR BREAKER(USA ONLY) 20 AMPS MAX. CIRC. BREAKER (CANADA ONLY) 20 AMPS MINIMUM CIRCUIT AMPACITY 20 AMPS DESIGN PRESSURE HI-427PSI LO-206PSI REFRIGERANT 404A 15 OZ MOTOR-COMPRESSOR THERMALLY PROTECTED, NOT INTENDED FOR OUTDOOR USE! Hoshizaki America, Inc.
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3. KM-501MRH (remote air-cooled) HOSHIZAKI ICE MAKER MODEL NUMBER KM-501MRH SERIAL NUMBER AC SUPPLY VOLTAGE 115-120/60/1 COMPRESSOR 115-120V 11RLA 50LRA PUMP 120V 0.5FLA 10W FAN REMOTE 120V 3A MAX OTHER 115-120V 0.9A MAXIMUM FUSE SIZE 20 AMPS MAX. HACR BREAKER(USA ONLY) 20 AMPS MAX. CIRC. BREAKER (CANADA ONLY) 20 AMPS MINIMUM CIRCUIT AMPACITY 20 AMPS DESIGN PRESSURE HI-467PSI LO-206PSI REFRIGERANT 404A MOTOR-COMPRESSOR THERMALLY PROTECTED, NOT INTENDED FOR OUTDOOR USE! Hoshizaki America, I
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B. Dimensions / Connections Unit: inches (mm.) 1. KM-501MAH 7
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Unit: inches (mm.) 2. KM-501MWH 8
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Unit: inches (mm.) 3. KM-501MRH 9
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II. Installation and Operating Instructions A. Checks Before Installation IMPORTANT 1. Remove shipping carton, tape(s) and packing. If packing material is left in the icemaker, it will not work properly. 2. Ensure all components, fasteners and thumbscrews are securely in place. 1) Remove the panels to prevent damage when installing the icemaker. See "B. How to Remove Panels." 2) Remove the package containing the accessories. 3) Remove the protective plastic film from the panels. If the icemake
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C. Location WARNING 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. For best operating results: • Icemaker should not be located next to ovens, grills or other high heat producing equipment. • Location should provide a firm and level
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E. Electrical Connection WARNING 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. To prevent possible electrical shock to individuals or extensive damage to the equipment, install a proper ground wire to the icemaker. • The white lead must be connected to the neutral conductor of the power sourc
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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. Location The condenser unit must be positioned in a permanent site under the following guidelines. • A firm and flat site. • A dry and well ventilated area with 24" clearance on both front and rear for ease of maintenance and service should they be
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3. Setup 1) Secure the legs to the condenser unit with eight M8 x 16 mm hexagon bolts and M8 nuts as shown in the illustration. See Fig. 5. Note: Locate the legs symmetrically. 2) The legs have eight mounting holes. Secure the legs with eight bolts (not included). 3) Install enough length of two copper tubings provided with Parker quick connect couplings between the icemaker and the condenser unit. The two copper tubings should be insulated separately. See Fig. 6. • Precharged tubing kits, av
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4. Electrical Connection WARNING This remote condenser unit requires a ground that meets the national and local electrical code requirements. To prevent possible electrical shock to individuals or extensive damage to equipment, install a proper ground wire to the condenser unit. • This condenser unit must be connected to the fan motor junction box on the icemaker. • The opening for the power supply connection is 7/8" DIA to fit a 1/2" trade size conduit. • Usually an electrical permit and serv
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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. and 4. Fig. 8 16
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G. Water Supply and Drain Connections See Fig. 9 CAUTION To prevent damage to the pump assembly, do not operate the icemaker when the water supply is OFF, or if the pressure is below 10 PSIG. Do not run the icemaker until the proper water pressure is reached. • Water supply inlet is 1/2" female pipe thread (FPT). Note: On water-cooled model, two water supply inlets are provided. One is for the ice making water inlet, and the other is for the cooling water inlet. • A water supply line shu
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KM-501MAH KM-501MRH KM-501MWH Fig. 9 18
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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? 5) Are all components, fasteners and thumbscrews securely in place? 6) Have
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I. Startup CAUTION 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. This will cause damage to the water pump seal. 1) Open the water supply line shut-off valve. 2) Remove the front panel. 3) Move the control switch on the control box to the "ICE" position. 4)
