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Hoshizaki America, Inc.
Hoshizaki
Modular Crescent Cuber
Models
KMD-901MAH
KMD-901MWH
KMD-901MRH
INSTRUCTION MANUAL
“A Superior Degree
of Reliability”
www.hoshizaki.com
™
Issued: 2-1-2008
Revised: 8-19-2009
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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. Failure to install, operate, and maintain the equipment in accordance with this manual may adversely affect safety, perfor
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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 I. Specifications ........................................................................................................
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I. Specifications A. Nameplate Rating 1. KMD-901MAH (air-cooled) HOSHIZAKI ICE MAKER MODEL NUMBER KMD-901MAH SERIAL NUMBER AC SUPPLY VOLTAGE 208-230/60/1 (3 WIRE WITH NEUTRAL FOR 115V) COMPRESSOR 208-230V 8.4RLA 56LRA 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-230PSI REFRIGERANT 404A 4 LBS 3.0 OZ MOTOR-COMPRE
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2. KMD-901MWH (water-cooled) HOSHIZAKI ICE MAKER MODEL NUMBER KMD-901MWH SERIAL NUMBER AC SUPPLY VOLTAGE 208-230/60/1 (3 WIRE WITH NEUTRAL FOR 115V) COMPRESSOR 208-230V 6.6RLA 56LRA 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-230PSI REFRIGERANT 404A 2 LB 3.3 OZ MOTOR-COMPRESSOR THERMALLY PROTECTED, NOT INTENDED F
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3. KMD-901MRH (remote air-cooled) HOSHIZAKI ICE MAKER MODEL NUMBER KMD-901MRH SERIAL NUMBER AC SUPPLY VOLTAGE 208-230/60/1 (3 WIRE WITH NEUTRAL FOR 115V) COMPRESSOR 208-230V 7.9RLA 56LRA PUMP 120V 0.5FLA 10W FAN REMOTE 3A MAX 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-230PSI REFRIGERANT 404A MOTOR-COMPRESSOR THERMALLY PROTECTED, NOT INTENDED FOR OUT
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B. Dimensions / Connections 1. KMD-901MAH 7 Unit: mm [inches]
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2. KMD-901MWH 8 Unit: mm [inches]
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3. KMD-901MRH 9 Unit: mm [inches]
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II. Installation and Operating Instructions A. Checks Before Installation IMPORTANT 1. Install in accordance with all applicable national, state, and local regulations. . Remove the shipping carton, tape, and packing material. If any are left in the icemaker, it will not work properly. 3. Ensure all components, fasteners, and thumbscrews are securely in place after installation. 1) Remove the panels to prevent damage when installing the icemaker. (See "B. How to Remove Panels.") ) Remove th
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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 th
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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. . 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. 3. Be sure to install a proper ground to the icemaker. • Electrical connections must be installed in accor
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F. Installation of Remote Condenser Unit 1. Checks Before Installation 1) Remove the shipping carton, tape, and packing material. ) Check that the refrigerant lines do not rub or touch lines or other surfaces, and that the fan blade moves freely. 2. Location IMPORTANT The remote condenser unit is intended for outdoor use. Normal operating ambient temperature should be within -0°F to +1°F (-9°C to +50°C). Operation of the remote condenser unit, for extended periods, outside of this norm
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3. Setup 1) Secure the legs to the remote condenser unit with eight M8×16 mm hexagon bolts and M8 nuts as shown in the illustration. See Fig. 5. ) The legs have eight mounting holes. Secure the legs with eight bolts (not included). Hexagon Bolt with Split Lock Washer and Flat Washer M8 Hexagon Nut Fig. 5 4. Line Set • Precharged tubing kits, available as optional equipment from HOSHIZAKI AMERICA, are recommended. Field fabricated line sets are allowed, see instructions below. • The maxim
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Factory Line Set Installation 1) Route the factory line set (1/" OD discharge line and 3/8" OD liquid line) from the remote condenser unit to the icemaker. See Fig. 6. Factory fabricated line sets are precharged and do not need to be evacuated. Note: Care should be taken that the icemaker, line set, and remote condenser unit contain the same type of refrigerant prior to making connections. Mixing of refrigerants will result in improper operation and possible damage to the refrigeration sys
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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. • This remote 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/" tra
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G. Water Supply and Drain Connections See Fig. 9 CAUTION To prevent damage to equipment, 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/" female pipe thread (FPT). Note: On water-cooled model, two 1/" water supply inlets are provided. One is for the icemaker, and the other is for the water-cooled condenser. • A water supply line shut-off valve and dra
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KMD-901MAH with Storage Bin KMD-901MRH Icemaker Icemaker Water Supply Line Icemaker Water Supply Shut-Off Valve Inlet 1/2" FPT Icemaker Water Supply Line Drain Valve Separate piping to approved drain. Icemaker Leave a two-inch (5 cm) vertical air Drain Outlet gap between the end of each pipe 3/4" FPT Bin and the drain. Condensation Drain 5/8" OD Stainless Tube Bin Drain Outlet Two-inch 3/4" FPT (5 cm) air gap KMD-901MWH Floor Drain Icemaker Water Supply Icemaker Water Supply Line I
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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" (15 cm) clearance around the icemaker for proper air circulation and maintenance or service? 4) Have the shipping carton, tape, and packing material been removed from the icemaker? Are the cube guides in the correct positions? 5) Are all compon
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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 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. ) Remove the front panel. 3) Move the control switch on the control box to the "ICE" position
