Hoshizaki KM-251BAH Instruction Manual
Self-contained crescent cuber
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- Service manual (43 pages) ,
- Parts list (20 pages) ,
- Instruction manual (32 pages)
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Summary of Contents for Hoshizaki KM-251BAH
- Page 1 Hoshizaki America, Inc. “A Superior Degree of Reliability” www.hoshizaki.com Self-Contained Crescent Cuber Models KM-251BAH KM-251BWH INSTRUCTION MANUAL ™ Issued: 5-15-2006 Revised: 5-22-2006...
- 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.
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Page 3: Table Of Contents
• Keep this manual with the icemaker for later reference. I. Specifications... 4 A. Nameplate Rating ... 4 1. KM-251BAH (air-cooled) ... 4 2. KM-251BWH (water-cooled)... 5 B. Dimensions/Connections ... 6 1. KM-251BAH... 6 2. KM-251BWH... 7 II. -
Page 4: Specifications
I. Specifications A. Nameplate Rating 1. KM-251BAH (air-cooled) HOSHIZAKI ICE MAKER MODEL NUMBER SERIAL NUMBER AC SUPPLY VOLTAGE AMPERES DESIGN PRESSURE REFRIGERANT MOTOR-COMPRESSOR THERMALLY PROTECTED, See the nameplate for electrical and refrigeration specifications. This nameplate is located on the upper left hand side of the rear panel. -
Page 5: Km-251Bwh (Water-Cooled)
2. KM-251BWH (water-cooled) HOSHIZAKI ICE MAKER MODEL NUMBER SERIAL NUMBER AC SUPPLY VOLTAGE AMPERES DESIGN PRESSURE REFRIGERANT MOTOR-COMPRESSOR THERMALLY PROTECTED, NOT INTENDED FOR OUTDOOR USE! See the nameplate for electrical and refrigeration specifications. This nameplate is located on the upper left hand side of the rear panel. -
Page 6: Dimensions/Connections
B. Dimensions/Connections 1. KM-251BAH Unit: mm. [inches]... -
Page 7: Km-251Bwh
2. KM-251BWH Unit: mm. [inches]... -
Page 8: Installation And Operating Instructions
II. Installation And Operating Instructions A. Checks Before Installation 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 top and front panels to prevent damage when installing the icemaker. -
Page 9: Location
C. Location 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 production capacity. -
Page 10: Water Supply And Drain Connections
E. Water Supply and Drain Connections See Fig. 2 To prevent damage to equipment, do not operate this icemaker when the water supply is OFF, or if the pressure is below 10 PSIG (0.7 bar). Do not run the icemaker until the proper water pressure is reached. •... - Page 11 KM-251BAH Icemaker Water Supply Inlet 1/2" FPT Drain Outlet 3/4" FPT KM-251BWH Icemaker Water Supply Inlet 1/2" FPT Condenser Water Outlet 1/2" FPT Drain Outlet 3/4" FPT Separate piping to approved drain. Leave a two-inch (5 cm) vertical air gap between the end of each pipe and the drain.
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Page 12: Final Checklist
F. 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°F (+7°C to +32°C) all year around? 3) Is there at least 6"... -
Page 13: Startup
G. 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. 1) Open the water supply line shut-off valve. 2) Remove the front panel. -
Page 14: Cleaning And Maintenance Instructions
4. For safety and maximum effectiveness, use cleaning and sanitizing solutions immediately after dilution. 1. Cleaning Procedure 1) Dilute 5 fl. oz. (148 ml) of recommended cleaner Hoshizaki "Scale Away" or "LIME-A- WAY," (Economics Laboratory, Inc.) with 1 gallon (3.8 l) of warm water. 2) Remove the front panel. - Page 15 It is snapped in place. Remove the drain tube and the frame/pipe from the drain pan. See Fig. 7. 24) Dilute 5 fl. oz. (148 ml) of recommended cleaner Hoshizaki "Scale Away" or "LIME-A-WAY," (Economics Laboratory, Inc.) with 1 gallon (3.8 l) of warm water.
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Page 16: Sanitizing Procedure - Following Cleaning Procedure
2. Sanitizing Procedure - Following Cleaning Procedure 1) Dilute approximately 0.5 fl. oz. (15 ml or 1 tbs) of a 5.25% sodium hypochlorite solution (chlorine bleach) with 1 gallon (3.8 l) of warm water. Using a chlorine test strip or other method, confirm that you have a concentration of about 200 ppm. -
Page 17: Preparing The Icemaker For Long Storage
3. Air Filter (air-cooled model only) The plastic mesh air filter removes dirt and dust from the air, and keeps the condenser from getting clogged. As the filter gets clogged, the icemaker’s performance will be reduced. Check the filter at least twice a month. When it is clogged, use warm water and a neutral cleaner to wash the filter. - Page 18 4) Close the potable water supply line shut-off valve and open the potable water supply line drain valve. See Fig. 2. 5) Allow the line to drain by gravity. 6) Attach compressed air or carbon dioxide supply to the potable water supply line drain valve.
- Page 19 HOSHIZAKI AMERICA, INC. 618 Hwy. 74 S., Peachtree City, GA 30269 USA TEL (770) 487-2331 FAX (770) 487-3360 www.hoshizaki.com 91A1AR10B...
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