Hoshizaki KMD-850MAH Instruction Manual
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Hoshizaki KMD-850MAH Instruction Manual

Hoshizaki KMD-850MAH Instruction Manual

Modular crescent cuber
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Hoshizaki
Hoshizaki America, Inc.
Modular Crescent Cuber
Models
KMD-850MAH, MWH, MRH
KMD-901MAH, MWH, MRH
INSTRUCTION MANUAL
"A Superior Degree
of Reliability"
www.hoshizaki.com
Issued: 12-2-2013

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  • Page 1 Hoshizaki Hoshizaki America, Inc. Modular Crescent Cuber Models KMD-850MAH, MWH, MRH KMD-901MAH, MWH, MRH INSTRUCTION MANUAL “A Superior Degree of Reliability” www.hoshizaki.com Issued: 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: 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.

  • Page 6: Specifications

    HI-467PSI LO-230PSI HI-427PSI LO-230PSI HI-467PSI LO-230PSI Refrigerant 404A 2 LB. 7.2 OZ. 404A 1 LB. 12.6 OZ. 404A Total Refrigerant Charge with Hoshizaki Remote Condenser Unit URC-9F: 8 LB. 13.8 OZ. 2. KMD-901M_H Single Phase Model Number KMD-901MAH KMD-901MWH KMD-901MRH...

  • Page 7: Dimensions/Connections

    B. Dimensions/Connections Units: mm [in.] 1. Air-Cooled Models (MAH) Rear Side Model Shown: KMD-850MAH KMD-850MAH KMD-901MAH Model Shown: KMD-850MAH A 768 [30-1/4] 1073 [42-1/4] B 762 [30] 1067 [42] Bottom C 80 [3-1/8] 380 [15] D 713 [28-1/8] 713 [28-1/8]...

  • Page 8: Water-Cooled Models (Mwh)

    2. Water-Cooled Models (MWH) Units: mm [in.] Rear Side Model Shown: KMD-850MWH KMD-850MWH Model Shown: KMD-850MWH KMD-901MWH A 768 [30-1/4] Bottom B 762 [30] C 80 [3-1/8] D 713 [28-1/8] E 662 [26-1/8] F 660 [26] G 176 [6-7/8] H 28 [1-1/8] 14 [1/2] J 499 [19-5/8] K 394 [15-1/2]...

  • Page 9: Remote Models (Mrh)

    3. Remote Models (MRH) Units: mm [in.] Rear Side Model Shown: KMD-850MRH KMD-850MRH KMD-901MRH Model Shown: KMD-850MRH A 768 [30-1/4] Bottom B 762 [30] C 80 [3-1/8] D 713 [28-1/8] E 640 [25-1/4] F 660 [26] G 170 [6-3/4] H 28 [1-1/8] 14 [1/2] J 499 [19-5/8] Model Shown: KMD-850MRH...

  • Page 10: Remote Condenser Unit Urc-9F (Use With Kmd-850Mrh, Kmd-901Mrh)

    4. Remote Condenser Unit URC-9F (use with KMD-850MRH, KMD-901MRH) 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-9F Heat of Rejection Icemaker AT 90°F (32°C) Model...

  • Page 11: Installation And Operating Instructions

    II. Installation and Operating Instructions WARNING • The appliance must be installed in accordance with applicable national, state, and local codes and regulations. • Failure to install, operate, and maintain the appliance 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

    • NOTICE! Remote models must be connected to an appropriate remote condenser unit. The remote condenser unit listed below is 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 13: Setup

    (bin accessory) to the bottom of the ice storage bin. 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: 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 15 KMD-850M_H KMD-901M_H  WARNING ELECTRICAL CONNECTION THIS UNIT MUST BE GROUNDED Failure to properly ground or wire this unit could result in death, serious injury, or severe damage to the icemaker. The transformer’s voltage tap switch must be positioned to match incoming voltage at startup. See diagram below.

  • 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 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 5/8" OD Hard Thread (FPT) Copper Water Tubing or Thread (FPT) ID Hard Pipe or Tube...

  • 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

    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 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

    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 22: 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 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.

  • 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) 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 appliance is turned off, wait for at least 3 minutes before restarting the appliance to prevent damage to the compressor. •...
  • Page 29 Overflow Cap Fig. 15 Overflow Pipe Water Shield Drain Plug Cube Guide A Cube Guide B...

  • Page 30: 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 31: 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 32: Cleaning Procedure

    1. Cleaning Procedure 1) Dilute 13.5 fl. oz. (400 ml) of Hoshizaki "Scale Away" with 2.5 gal. (9.5 l) of warm water. 2) Remove all ice from the evaporator and the storage bin. Note: To remove cubes on the evaporator, turn off the power supply and turn it back on after 3 minutes.

  • Page 33: Sanitizing Procedure - Following Cleaning Procedure

    9) Fully open the cleaning valve on the left side wall of the machine compartment. 10) Move the control switch on the control box to the "WASH" position. Replace the insulation panel and the front panel in their correct positions. 11) Turn on the power supply to start the washing process.
  • Page 34 3) Pour the sanitizing solution into the water tank. 4) Replace the insulation panel and the front panel in their correct positions. Note: Make sure that the control switch is in the "WASH" position and the cleaning valve is open. 5) Turn on the power supply to start the sanitizing process.

  • Page 35: 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 36 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.

  • Page 37: Disposal

    V. Disposal The icemaker 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 38 HOSHIZAKI AMERICA, INC. 618 Hwy. 74 S., Peachtree City, GA 30269 USA TEL (770) 487-2331 FAX (770) 487-3360 www.hoshizaki.com 1A3223-010...

This manual is also suitable for:

Kmd-850mwhKmd-901mwhKmd-901mrhKmd-850mrhKmd-901mah

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