Hoshizaki KM-320MAH Instruction Manual

Modular crescent cuber

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Page 1 Hoshizaki Hoshizaki America, Inc. Modular Crescent Cuber Models KM-320MAH, MWH KM-515MAH, MWH, MRH KM-600MAH KM-650MAH, MWH, MRH KM-901MAH, MWH, MRH/3 INSTRUCTION MANUAL “A Superior Degree of Reliability” www.hoshizaki.com Issued: 5-16-2012 Revised: 12-2-2013...
Page 2 Should the reader have any questions or concerns which have not been satisfactorily addressed, please call, send an e-mail message, or write to the Hoshizaki Technical Support Department for assistance. Phone: 1-800-233-1940; (770) 487-2331 Fax: 1-800-843-1056;...
Page 3: Table Of Contents
IMPORTANT This manual should be read carefully before the appliance is installed and operated. Read the warnings and guidelines contained in this manual carefully as they provide essential information for the continued safe use and maintenance of the appliance. Retain this manual for any further reference that may be necessary. CONTENTS Important Safety Information ....................
Page 4 III. Maintenance ........................35 A. Maintenance Schedule ....................35 B. Cleaning and Sanitizing Instructions ................36 IV. Preparing the Icemaker for Periods of Non-Use ............. 39 V. Disposal ........................... 41...
Page 5 Intentionally Left Blank...
Page 6: Important Safety Information
Important Safety Information Throughout this manual, notices appear to bring your attention to situations which could result in death, serious injury, damage to the appliance, or damage to property. WARNING Indicates a hazardous situation which could result in death or serious injury.
Page 7 WARNING, continued • Children should be properly supervised around the appliance. • Do not climb, stand, or hang on the appliance or allow children or animals to do so. Serious injury could occur or the appliance could be damaged. • Do not use combustible spray or place volatile or flammable substances near the appliance.
Page 8: Specifications
HI - 467PSI LO - 206PSI HI - 427PSI LO - 206PSI HI - 467PSI LO - 206PSI Refrigerant 404A 1 LB 7.3 OZ 404A 14.8 OZ 404A Total Refrigerant Charge with Hoshizaki Remote Condenser Unit URC-5F: 4 LB. 4.8 OZ.
Page 9: Km-600Mah
HI - 427PSI HI - 467PSI LO - 230PSI LO - 230PSI LO - 230PSI Refrigerant 404A 1 LB. 8 OZ. 404A 1 LB. 5.2 OZ. 404A Total Refrigerant Charge with Hoshizaki Remote Condenser Unit URC-5F: 5 LB. 14.9 OZ.
Page 10: Km-901M_H/3
HI - 467PSI LO - 230PSI Refrigerant 404A 2 LB. 15 OZ. 404A 1 LB. 10.5 OZ. 404A Total Refrigerant Charge with Hoshizaki Remote Condenser Unit URC-9F: 9 LB. 4 OZ. Three Phase Model Number KM-901MRH3 AC Supply Voltage 208-230/60/3 Compressor 208-230V 5.9RLA 51LRA...
Page 11: Dimensions/Connections
B. Dimensions/Connections Units: mm [in.] 1. Air-Cooled Models (MAH) Rear Side Model Shown: KM-901MAH KM-320MAH KM-600MAH KM-901MAH KM-515MAH KM-650MAH Model Shown: KM-901MAH A 560 [22] 560 [22] 767 [30-3/16] Bottom B 555 [21-7/8] 555 [21-7/8] 762 [30] KM-320/515/600/650MAH C 395 [15-5/8]...
Page 12: Water-Cooled Models (Mwh)
2. Water-Cooled Models (MWH) Units: mm [in.] Rear Side Model Shown: KM-901MWH KM-320MWH KM-650MWH KM-901MWH KM-515MWH Model Shown: KM-901MWH A 560 [22] 560 [22] 767 [30-3/16] Bottom B 555 [21-7/8] 555 [21-7/8] 762 [30] KM-320/515/600/650MWH C 395 [15-5/8] 395 [15-5/8] 602 [23-3/4] D 770 [30-5/16] 950 [37-7/16]...
Page 13: Remote Models (Mrh/3)
3. Remote Models (MRH/3) Units: mm [in.] Rear Side Model Shown: KM-901MRH KM-515MRH KM-650MRH KM-901MRH/3 A 560 [22] 560 [22] 767 [30-3/16] Model Shown: KM-901MRH B 555 [21-7/8] 555 [21-7/8] 762 [30] Bottom C 395 [15-5/8] KM-320/515/600/650M_H 395 [15-5/8] 602 [23-3/4] D 770 [30-5/16] 950 [37-7/16] 950 [37-7/16]...
Page 14: Remote Condenser Unit Urc-5F (Use With Km-515Mrh, Km-650Mrh)
4. Remote Condenser Unit URC-5F (use with KM-515MRH, KM-650MRH) Units: mm [in.] NOTICE Allow 24" (61 cm) clearance at front and rear for proper air circulation and ease of maintenance and/or service should they be required. Rear URC-5F Heat of Rejection Icemaker AT 90°F (32°C) Model...
Page 15: Installation And Operating Instructions
II. Installation and Operating Instructions WARNING • The icemaker must be installed in accordance with applicable national, state, and local codes and regulations. • Failure to install, operate, and maintain the icemaker in accordance with this manual will adversely affect safety, performance, component life, and warranty coverage and may result in costly water damage.
Page 16: How To Remove Panels
• NOTICE! Remote models must be connected to an appropriate remote condenser unit. The remote condenser units listed below are recommended. Connection to a different remote condenser unit will void the warranty unless Hoshizaki approves a different remote condenser unit for your specific application. For further details, contact your local Hoshizaki distributor.
Page 17: Setup
2) Position the dispenser unit/ice storage bin in its permanent location. 3) If required, install an adapter kit or top kit. Contact your local Hoshizaki distributor for recommendations. 4) Level the dispenser unit/ice storage bin in both the left-to-right and front-to-rear directions.
Page 18: Bin Control Installation
2. Bin Control Installation For KM-320/515/600/650M_H, install the bin control as described below. For KM-901M_H/3, the bin control is factory installed and ready for use. a) KM-320/515/600/650M_H NOTICE Before operating the icemaker, the bin control must be installed. Failure to properly install the bin control could result in ice backup and icemaker damage.
Page 19: B) Km-901M_H/3
Factory Set Bin Control Mount Position Required for Coca-Cola Freestyle Dispenser Application ® Base Case Bin Control Assembly Thumbscrews Pull excess bin control cable to front. "J" Slot Frame Pump Motor Wire Harness Fig. 4 Optional Bin Control Mount Position for Normal Dispenser or Ice Storage Bin Application Reattach the bin control mount to the...
Page 20: Electrical Connection
E. Electrical Connection WARNING For All Models • Electrical connection must be hard-wired and must meet national, state, and local electrical code requirements. Failure to meet these code requirements could result in death, electric shock, serious injury, fire, or damage. •...
Page 21 KM-320M_H KM-650M_H KM-515M_H KM-901MRH3 KM-901M_H KM-600MAH WARNING WARNING WARNING ELECTRICAL CONNECTION ELECTRICAL CONNECTION ELECTRICAL CONNECTION THIS UNIT MUST BE GROUNDED THIS UNIT MUST BE GROUNDED THIS UNIT MUST BE GROUNDED Failure to properly ground or wire Failure to properly ground or wire Failure to properly ground or wire this unit could result in death, this unit could result in death, this unit could result in death, serious injury, or severe damage to...
Page 22: Water Supply And Drain Connections
• External filters, strainers, or softeners may be required depending on water quality. Contact your local Hoshizaki Certified Service Representative or local Hoshizaki distributor for recommendations. • A plumbing permit and services of a licensed plumber may be required in some areas.
Page 23: Icemaker
1. Icemaker Icemaker Water Minimum Icemaker Icemaker Drain Minimum Icemaker Condensation Supply Inlet Water Supply Line Size Outlet Drain Line Size Drain Outlet 1/2" Female Pipe 1/4" Nominal ID 3/4" Female Pipe 3/4" Nominal 3/8" OD Hard Thread (FPT) Copper Water Tubing or Thread (FPT) ID Hard Pipe or Tube...
Page 24: Water-Cooled Condenser
2. Water-Cooled Condenser a) Connection to an Open Drain System Condenser Water Minimum Condenser Condenser Drain Minimum Condenser Supply Inlet Water Supply Line Size Outlet Drain Line Size 1/2" Female Pipe 1/4" Nominal ID Copper 3/8" Female Pipe 1/4" Nominal ID Hard Pipe Thread (FPT) Water Tubing or Equivalent Thread (FPT)
Page 25 b) Connection to a Closed Loop System Condenser Water Minimum Condenser Condenser Minimum Condenser Supply Inlet Water Supply Line Size Return Outlet Return Line Size 1/2" Female Pipe 1/4" Nominal ID Copper 3/8" Female Pipe 1/4" Nominal ID Copper Thread (FPT) Water Tubing or Equivalent Thread (FPT) Water Tubing or Equivalent...
Page 26: Installation Of Remote Condenser Unit For Remote Models
G. Installation of Remote Condenser Unit for Remote Models WARNING • Installation of remote condenser unit must be performed by properly trained and EPA-certified service personnel. • The remote condenser unit must be installed in accordance with applicable national, state, and local codes and regulations. •...
Page 27: Checks Before Installation
Mixing of refrigerants will result in improper operation and possible damage to the refrigeration system. Line Set Size and Refrigerant Charge Line Set Line Set Greater than 66' (20 m) Hoshizaki Up to 66' (20 m) Maximum 100' (30.5 m) Remote Hoshizaki Condenser...
Page 28: Line Set Installation
5. Line Set Installation Precharged factory line sets, available as optional equipment from Hoshizaki America, are recommended. For details, see "II.G.5.a) Factory Line Set Installation." Field fabricated line sets are allowed. For details, see "II.G.5.b) Field Fabricated Line Set Installation."...
Page 29 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. NOTICE! Before brazing, remove the Schrader valve core from the access port.
Page 30 7) Connect the refrigerant lines to the appropriate male fittings on the remote condenser unit first and then at the icemaker. Make a proper connection as follows: a. Remove the protective covers from the male fitting and female coupling. b. Apply Polyol Ester (POE) refrigerant oil or Parker Super O Lube to the entire male fitting, including O-ring, diaphragm, and threads, before making the connection.
Page 31: Electrical Connection
6. Electrical Connection WARNING • Electrical connection must meet national, state, and local electrical code requirements. Failure to meet these code requirements could result in death, electric shock, serious injury, fire, or damage. • To reduce the risk of electric shock, make all remote condenser unit connections before connecting the icemaker power supply.
Page 32: Stacking Remote Condenser Unit
3) Install a ground wire from the icemaker fan motor junction box to the remote condenser unit junction box. Use wire of an appropriate gage and outdoor rating. 4) Install line and neutral wires from the fan motor leads in the icemaker fan motor junction box to the leads in the remote condenser unit junction box.
Page 33: Final Checklist
H. Final Checklist WARNING CHOKING HAZARD: Ensure all components, fasteners, and thumbscrews are securely in place after installation. Make sure that none have fallen into the dispenser unit/ice storage bin. 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 34: Startup
I. Startup WARNING All parts are factory-adjusted. Improper adjustments may adversely affect safety, performance, component life, and warranty coverage. NOTICE • If the icemaker is turned off, wait for at least 3 minutes before restarting the icemaker to prevent damage to the compressor. •...
Page 35: Maintenance
III. Maintenance The appliance must be maintained in accordance with the instruction manual and labels provided. Consult with your local Hoshizaki Certified Service Representative about maintenance service. WARNING • Only qualified service technicians should service the appliance. • To reduce the risk of electric shock, do not touch the control switch with damp hands.
Page 36: Cleaning And Sanitizing Instructions
B. Cleaning and Sanitizing Instructions The icemaker must be cleaned and sanitized at least once a year. More frequent cleaning and sanitizing may be required in some water conditions. WARNING • To prevent injury to individuals and damage to the icemaker, do not use ammonia type cleaners.
Page 37 1. Cleaning Procedure 1) Dilute 16 fl. oz. (473 ml) of Hoshizaki "Scale Away" with 3 gal. (11 l) of warm water. 2) Remove all ice from the evaporator and the dispenser unit/ice storage bin. Note: To remove cubes on the evaporator, turn off the power supply and turn it back on after 3 minutes.
Page 38 22) Replace the front panel in its correct position. 23) Turn on the power supply to rinse off the cleaning solution. 24) Turn off the power supply after 5 minutes. 25) Remove the front panel. 26) Disconnect one end of the pump tubing to drain the water tank. After the water tank has drained, reconnect the pump tubing.
Page 39: Preparing The Icemaker For Periods Of Non-Use
IV. Preparing the Icemaker for Periods of Non-Use NOTICE • When storing the icemaker for an extended time or in sub-freezing temperatures, follow the instructions below to prevent damage. • To prevent damage to the water pump seal, do not leave the control switch in the "WASH"...
Page 40 5) Open the water regulating valve by using a screwdriver to pry up on the spring retainer underneath the spring. While holding the valve open, blow out the condenser using the compressed air or carbon dioxide supply until water stops coming out. 6) Close the drain valve(s).
Page 41: Disposal
V. Disposal The appliance contains refrigerant and must be disposed of in accordance with applicable national, state, and local codes and regulations. Refrigerant must be recovered by properly certified service personnel.
Page 42 HOSHIZAKI AMERICA, INC. 618 Hwy. 74 S., Peachtree City, GA 30269 USA TEL (770) 487-2331 FAX (770) 487-3360 www.hoshizaki.com 1A3221-010...

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Km-515mwh Km-320mwh Km-600mah Km-650mah Km-515mah Km-650mwh ... Show all