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Summary of Contents for Hoshizaki KMD-460MWH
- Page 1 Hoshizaki Hoshizaki America, Inc. Modular Crescent Cuber Models KMD-460MAH, MWH KMD-530MAH, MWH, MRH INSTRUCTION MANUAL “A Superior Degree of Reliability” www.hoshizaki.com Issued: 9-30-2014...
- 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;...
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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: 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 5 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.
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Page 6: Specifications
Minimum Circuit 20 AMPS 20 AMPS 20 AMPS Ampacity Design Pressure HI-467PSI LO-230PSI HI-427PSI LO-230PSI HI-467PSI LO-230PSI Refrigerant 404A 1 LB. 2.5 OZ. 404A 14.1 OZ. 404A Total Refrigerant Charge with Hoshizaki Remote Condenser Unit URC-5F: 3 LB. 14 OZ. -
Page 7: Dimensions/Connections
B. Dimensions/Connections Units: mm [in.] 1. Air-Cooled Models (MAH) Rear Side ELECTRICAL SUPPLY OPENING 22 [7/8] DIA ICEMAKER WATER INLET 1/2” FPT M5 MOUNTING HOLES ICEMAKER DRAIN OUTLET 3/4” FPT [2-5/8] [2-7/8] [3-1/8] [3-1/8] [22-7/8] [24-1/8] Model Shown: KMD-530MAH Model Shown: KMD-530MAH Bottom KMD-460MAH KMD-530MAH... -
Page 8: Water-Cooled Models (Mwh)
OUTLET 3/4” FPT [3/8] [2-5/8] [2-7/8] [3-1/8] [3-1/8] [22-7/8] [24-1/8] Model Shown: KMD-530MWH Model Shown: KMD-530MWH Bottom KMD-460MWH KMD-530MWH [9-3/8] [13] [1-1/2] A 768 [30-1/4] B 761 [30] C 498 [19-5/8] D 103 [4] ICE DROP OPENING E 201 [7-7/8]... -
Page 9: Remote Models (Mrh)
3. Remote Models (MRH) Units: mm [in.] Side Rear ELECTRICAL SUPPLY OPENING 22 [7/8] DIA URC FAN MOTOR CONNECTION 1/2” FPT ICEMAKER WATER INLET 1/2” FPT LIQUID LINE FIELD CONNECTION DISCHARGE LINE FIELD CONNECTION M5 MOUNTING HOLES ICEMAKER DRAIN OUTLET 3/4” FPT [1-1/2] [2-5/8] [2-7/8]... -
Page 10: Remote Condenser Unit Urc-5F (Use With Kmd-530Mrh)
4. Remote Condenser Unit URC-5F (use with KMD-530MRH) 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 WT 70°F (21°C) -
Page 11: 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 12: How To Remove Panels
• The icemaker can be installed on a dispenser unit or storage bin 30" wide or wider. The following are recommended: Hoshizaki Dispenser, Model DB-200 or DM series; Hoshizaki Ice Storage Bin, Model B-500 series. For further options, contact your local Hoshizaki distributor. -
Page 13: 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 14: Bin Control Installation
2. Bin Control Installation Bin Control Cable Float Switch 1) Remove the control box cover. Remove Tape Connector (Black) the 2 thumbscrews securing insulation Pump Motor panel (B), then remove insulation panel (B). Connector See Fig. 3. Thumbscrews 2) Disconnect the discharge hose from the pump motor, then disconnect the drain valve drain hose and the overflow drain Drain Valve... -
Page 15: 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 16: 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 17: Icemaker
1. Icemaker Icemaker Water Minimum Icemaker Icemaker Drain Minimum Icemaker Supply Inlet Water Supply Line Size Outlet Drain Line Size 1/2" Female Pipe 1/4" Nominal ID 3/4" Female Pipe 3/4" Nominal Thread (FPT) Copper Water Tubing or Thread (FPT) ID Hard Pipe or Equivalent Equivalent •... -
Page 18: 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 19 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...
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Page 20: 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 21: Checks Before 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... - Page 22 a) Factory Line Set Installation 1) Route the factory line set (see "II.G.4 Line Set Size and Refrigerant Charge" for details) from the remote condenser unit to the icemaker. Leave a service loop behind the icemaker to allow the icemaker to be pulled out for service. See Fig. 13. Factory fabricated line sets are precharged and do not need to be evacuated.
- Page 23 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 24 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.
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Page 25: 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 26: 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 27: 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) Air-Cooled Models: Is there at least 6"... -
Page 28: 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 29: 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 or service switch with damp hands. -
Page 30: Cleaning And Sanitizing Instructions
"SERVICE" position. 1. Cleaning Procedure 1) Dilute 9.5 fl. oz. (281 ml) of Hoshizaki "Scale Away" with 1.8 gal. (6.8 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 31 8) In bad or severe water conditions, clean the float switch as described below. Otherwise, continue to step 9. a. Remove the control box cover. Remove the 2 thumbscrews securing insulation panel (B), then remove insulation panel (B). See Fig. 18. b.
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Page 32: Sanitizing Procedure - Following Cleaning Procedure
17) Turn off the power supply, then remove the front panel. 18) Move the control switch to the "ICE" position. 19) Replace the front panel in its correct position. 20) Turn on the power supply to fill the water tank with water. 21) Turn off the power supply after 3 minutes. - Page 33 15) Replace the front panel in its correct position. 16) Clean the dispenser unit/storage bin liner using a neutral cleaner. Rinse thoroughly after cleaning. 17) Turn on the power supply to start the automatic icemaking process.
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Page 34: 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. • The pump motor is energized continuously when the control switch is in the "SERVICE"... - Page 35 3) Open the condenser water supply line drain valve. If connected to a closed loop system, also open the condenser return line drain valve. 4) Attach a compressed air or carbon dioxide supply to the condenser water supply line drain valve. 5) Open the water regulating valve by using a screwdriver to pry up on the spring retainer underneath the spring.
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Page 36: 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 37 HOSHIZAKI AMERICA, INC. 618 Hwy. 74 S., Peachtree City, GA 30269 USA TEL (770) 487-2331 FAX (770) 487-3360 www.hoshizaki.com 1A3514-010...
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