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Hoshizaki Serenity Series KMS-2000MLH Instruction Manual

Modular crescent cuber including condensing unit models srk-20h/3
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Hoshizaki
Hoshizaki America, Inc.
"A Superior Degree
of Reliability"
www.hoshizaki.com
Modular Crescent Cuber
Serenity Series
Model
KMS-2000MLH
Including
Condensing Unit Models
SRK-20H/3
INSTRUCTION MANUAL
Issued: 4-29-2011
Revised: 2-1-2012

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Summary of Contents for Hoshizaki Serenity Series KMS-2000MLH

  • Page 1 Hoshizaki Hoshizaki America, Inc. Modular Crescent Cuber Serenity Series Model KMS-2000MLH Including Condensing Unit Models SRK-20H/3 INSTRUCTION MANUAL “A Superior Degree of Reliability” www.hoshizaki.com Issued: 4-29-2011 Revised: 2-1-2012...
  • 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 icemaker is installed and operated. Read the warnings and guidelines contained in this booklet carefully as they provide essential information for the continued safe use and maintenance of the icemaker. Retain this booklet 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 unit, or damage to property. WARNING Indicates a hazardous situation which could result in death or serious injury.
  • Page 5 WARNING, continued For KMS • Power supply and ground connection are supplied from the SRK remote condensing unit via the wire harness provided. Do not connect the wire harness leads to an external power source. • Wire harness routing (conduit) and disconnect (if required) must meet national, state, and local electrical code requirements.

  • Page 6: Specifications

    The rating label and nameplate provide electrical and refrigerant data. The rating label can be seen by removing the front panel. The nameplate is located on the rear panel. IMPORTANT This icemaker is designed for connection to Hoshizaki Remote Condensing Unit Model SRK-20H/3 only! CONNECTION TO ANOTHER REMOTE CONDENSING UNIT WILL VOID WARRANTY.

  • Page 7: Srk-20H

    2. SRK-20H HOSHIZAKI CONDENSING UNIT MODEL NUMBER SRK-20H SERIAL NUMBER AC SUPPLY VOLTAGE 208-230/60/1 (3 WIRE WITH NEUTRAL FOR 115V) COMPRESSOR 230V 17.5RLA 121LRA 115V 2.6FLA (total) 126W OTHER 115V 1.2A MAXIMUM FUSE SIZE 30 AMPS MAX. HACR BREAKER(USA ONLY) 30 AMPS MAX.

  • Page 8: Srk-20H3

    3. SRK-20H3 HOSHIZAKI CONDENSING UNIT MODEL NUMBER SRK-20H3 SERIAL NUMBER AC SUPPLY VOLTAGE 208-230/60/3 COMPRESSOR 230V 11.0RLA 105LRA 115V 2.6FLA (total) 126W OTHER 115V 1.2A MAXIMUM FUSE SIZE 20 AMPS MAX. HACR BREAKER(USA ONLY) 20 AMPS MAX. CIRC. BREAKER (CANADA ONLY)

  • Page 9: Dimensions/Connections

    B. Dimensions/Connections 1. KMS-2000MLH...

  • Page 10: Srk-20H/3

    2. SRK-20H/3...

  • Page 11: Installation And Operating Instructions

    II. Installation and Operating Instructions WARNING • The icemaker and condensing unit must be installed in accordance with applicable national, state, and local codes and regulations. • Failure to install, operate, and maintain the equipment in accordance with this manual will adversely affect safety, performance, component life, and warranty coverage and may result in costly water damage.

  • Page 12: Remote Condensing Unit

    The icemaker must be coupled with the appropriate remote condensing unit as listed below. Hoshizaki Icemaker Hoshizaki Remote Condensing Unit KMS-2000MLH SRK-20H/3 NOTICE Failure to install the equipment within these guidelines may adversely affect performance, component life, and warranty coverage.

  • Page 13: Checks Before Installation

    • This icemaker can be installed on a dispenser unit or storage bin 30" wide or wider. For options, contact your local Hoshizaki distributor. • This icemaker is designed for connection to Hoshizaki Remote Condensing Unit Model SRK-20H/3 only! CONNECTION TO ANOTHER REMOTE CONDENSING UNIT WILL VOID WARRANTY.

  • Page 14: How To Remove Panels

    C. How to Remove Panels 1. Icemaker • Front Panel: Remove the screw. Lift up and towards you. Top Insulation • Top Panel: Lift off. • Right Side Panel: Remove the screw. Top Panel Slide forward slightly and lift off. •...

  • Page 15: Installation Of The Icemaker

    [21.4 in.] Fig. 5 2b) Storage Bin: If required, install a top kit, a storage bin extension bracket HS kit, or a brace HS kit. Contact your local Hoshizaki distributor for recommendations. 3) Place the icemaker on top of the dispenser unit/storage bin.
  • Page 16 4a) Dispenser Unit: Follow the dispenser unit's instructions for securing the icemaker to the dispenser unit. If no instructions are available, secure the icemaker to the dispenser unit using the mounting brackets provided. Rotate the mounting brackets so that they fit flush to the dispensing unit. See Fig. 6a. Secure the mounting brackets to the icemaker with the bolts provided.

  • Page 17: Water Tank Removal

    2. Water Tank Removal 1) Remove the front frame and splash curtain. See Fig. 7. 2) Disconnect the pump suction hose, drain pipe, and float connection hose at the evaporator case wall. Disconnect the water tank drain hose from the bottom of the water tank.
  • Page 18 7) Dispenser Unit: Seal the inner perimeter of the icemaker evaporator section to the dispenser unit adapter kit with RTV-748 sealant (provided) or equivalent. See Fig. 9. Make sure the inner perimeter sealant meets the outer perimeter sealant and that there are no gaps.
  • Page 19 3. Bin Control NOTICE Before operating the icemaker, the bin control assembly must be installed correctly. Failure to properly install the bin control assembly could result in ice backup and unit damage. 1) Remove the 2 outer switch cover thumbscrews from the switch cover. See Fig. 10. 2) Remove the 2 inner switch cover thumbscrews.
  • Page 20 6) Slide the bin control assembly all the way back until the switch mount is flush with the dispenser unit bin wall or the storage bin wall, top kit extension bracket, or brace. See Fig. 11. Tighten the outer switch cover thumbscrews. NOTICE On dispenser unit applications, do not leave a gap between the bin control and the wall of the dispenser unit bin wall.

  • Page 21: Installation Of The Remote Condensing Unit

    E. Installation of the Remote Condensing Unit WARNING • Installation must be performed by properly trained and EPA-certified service personnel. • Power supply and ground wire to the icemaker are supplied from the remote condensing unit. For details, see "II.F. Electrical Connection." 1.

  • Page 22: Line Set Installation

    3. Line Set Installation WARNING • R-404A itself is not flammable at atmospheric pressure and temperatures up to 176°F (80°C). • R-404A itself is not explosive or poisonous. However, when exposed to high temperatures (open flames), R-404A can be decomposed to form hydrofluoric acid and carbonyl fluoride both of which are hazardous.
  • Page 23 12) Open the icemaker service valves first, then open the remote condensing unit service valves. 13) Replace the service valve caps and tighten. 14) Insulate all exposed tubing and fittings. Hoshizaki Technical Support is available at 1-800-233-1940 for recommendations. Remote Condensing Unit (with compressor) Access Cover Icemaker Max.

  • Page 24: Electrical Connection

    F. Electrical Connection 1. Icemaker Power supply and ground connection are supplied from the remote condensing unit via the wire harness provided. The wire harness is factory connected to the icemaker. WARNING • Power supply and ground connection are supplied from the remote condensing unit via the wire harness provided.
  • Page 25 • On three phase models, the transformer's voltage tap switch must be positioned to match incoming voltage at startup. • NOTICE! On three phase models, connect the highest incoming voltage supply ("stinger leg") to the red power supply wire (red common wire to the compressor). •...

  • Page 27: Water Supply And Drain Connections

    • A plumbing permit and services of a licensed plumber may be required in some areas. • External filters, strainers, or softeners may be required depending on water quality. Contact your local Hoshizaki distributor for recommendations. • Water supply pressure should be a minimum of 10 PSIG and a maximum of 113 PSIG. If the pressure exceeds 113 PSIG, the use of a pressure reducing valve is required.
  • Page 28 1. Icemaker • Icemaker water supply inlet is 1/2" female pipe thread (FPT). A minimum of 3/8" nominal ID copper water tubing or equivalent is required for the icemaker water supply line. • An icemaker water supply line shut-off valve and drain valve should be installed. •...

  • Page 29: 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/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 30: Startup

    16) Has the end user been given the name and telephone number of an authorized service agent? 17) Has the warranty card been filled out and forwarded to the factory for warranty registration? I. Startup WARNING All parts are factory-adjusted. Improper adjustments may adversely affect safety, performance, component life, and warranty coverage.
  • Page 31 13) Replace the splash curtain, front frame, and insulation panel in their correct positions and secure with the thumbscrews. 14) Seal the outer perimeter of the front frame to the icemaker and dispenser unit/storage bin with RTV-748 sealant (provided) or equivalent. See Fig. 19. Make sure the front frame sealant meets the previously applied perimeter sealant and that there are no gaps.

  • Page 32: Cleaning And Maintenance

    III. Cleaning and Maintenance This icemaker must be cleaned and maintained in accordance with the instruction manual and labels provided with the icemaker. Consult with your local Hoshizaki Certified Service Representative about cleaning and maintenance service. WARNING • Only qualified service technicians should service this icemaker.

  • Page 33: Cleaning Procedure

    1. Cleaning Procedure 1) Dilute 27 fl. oz. (800 ml) of Hoshizaki "Scale Away" with 5 gal. (19 l) of warm water. 2) Remove all ice from the evaporator and the dispenser unit/storage bin. Note: To remove cubes on the evaporator, turn off the power supply and turn it back on after 3 minutes.

  • Page 34: Sanitizing Procedure - Following Cleaning Procedure

    21) Remove the front panel. 22) Move the control switch to the "SERVICE" position, then move the service switch to the "WASH" position. 23) Replace the front panel in its correct position. 24) Turn on the power supply to rinse off the cleaning solution. 25) Turn off the power supply after 5 minutes.

  • Page 35: Maintenance

    B. Maintenance This icemaker must be maintained individually, referring to the instruction manual and labels provided with the icemaker. WARNING • Only qualified service technicians should service this icemaker. • Move the control switch to the "OFF" position and turn off the power supply to the SRK condensing unit before servicing the KMS or SRK.

  • Page 36: Preparing The Icemaker For Periods Of Non-Use

    C. 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, do not operate the icemaker with the control switch in the "SERVICE"...
  • Page 37 2. Remove the water from the water tank: 17) Remove the insulation panel and front frame. 18) Disconnect the hoses connected to the water tank. Allow the tank and hoses to drain completely. See Fig. 22. 19) Remove all ice from the dispenser unit/storage bin and clean the dispenser unit/storage bin liner using a neutral cleaner.
  • 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 91A1YJ10B-1...

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Serenity seriesKms-2000mlhSrk-20h/3

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