Manuals / Hoshizaki / Kitchen Appliance / Ice Maker

Hoshizaki DCM-500BWH-OS service manual Cubelet Icemaker / Dispenser Models DCM-500BAH

Models: DCM-500BWH DCM-500BAH DCM-500BWH-OS DCM-500BAH-OS

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HoshizakiHoshizaki America, Inc.

HoshizakiHoshizaki America, Inc.

“A Superior Degree

of Reliability”

www.hoshizaki.com

Cubelet Icemaker / Dispenser

Models

DCM-500BAH

DCM-500BAH-OS

DCM-500BWH

DCM-500BWH-OS

SERVICE MANUAL

®

Number: 73165

Issued: 7-30-2008

Image 1

Hoshizaki DCM-500BWH-OS service manual Cubelet Icemaker / Dispenser Models DCM-500BAH, HoshizakiHoshizaki America, Inc

Contents

DCM-500BAH-OS DCM-500BWH DCM-500BWH-OS Cubelet Icemaker / Dispenser Models DCM-500BAHHoshizakiHoshizaki America, Inc HOSHIZAKI AMERICA, INC 618 Highway 74 South Complete and detailed explanation of the problemPeachtree City, GA Attn Hoshizaki Technical Support DepartmentCONTENTS A. Diagnostic Procedure IV. Service DiagnosisC. Diagnostic Charts V. Removal and Replacement of Components1. DCM-500BAH I. Specifications A. Icemakerdesign without prior 2. DCM-500BAH-OS3. DCM-500BWH without prior 4. DCM-500BWH-OSdesign 1. DCM-500BAH-OS II. General Information A. Construction2. DCM-500BWH-OS 1. DCM-500BAH-OS, DCM-500BWH-OS B. Ice Making Unit1. Fill Cycle C. Sequence of Operation2. Ice Purge Cycle 60 seconds 3. Freeze Cycle2.Shutdown & Restart 1. Startup3.12 Hour Drain Cycle Shutdown & Restart D. Control Board Control Board 1.Control Board Layout aDCM-500BAH, DCM-500BWHPart Number 2A1592-01 Control Board b DCM-500BAH-OS, DCM-500BWH-OSPart Number 2A2649-01 aLED Lights 2. Features4. Control Board Check Procedure 3. Controls and Adjustments aPortion ControlaPower Supply bIce Making ComponentscDispensing Components DCM-500BAH, DCM-500BWH E. Float Switch A. Water Circuit and Refrigeration Circuit III. Technical InformationInlet Water Valve Water Supply Float Switch Gear Motor Fan Air-Cooled Condenser Access ValveDispensing Water Valve High Pressure Switch Water Supply Out Water Regulating Valve AccessAccess Compressor Valve 2. DCM-500BWH-OS1. DCM-500BAH, DCM-500BWH B. Wiring DiagramsHigh Pressure Switch WIRE COLOR CODEHigh Pressure Switch 2. DCM-500BAH-OS, DCM-500BWH-OSWIRE COLOR CODE Air-CooledModel1. Fill Cycle C. Sequence of Electrical Circuit - Ice MakingWIRE COLOR CODE 2. Ice Purge CycleDCM-500BAH DCM-500BWH3. Freeze Cycle WIRE COLOR CODEDCM-500BAH DCM-500BAH-OS4. 12 Hour Drain Cycle / Drain Switch DCM-500BAH 5. Shutdown6. Low Water Safety 7. High Pressure Switch 1. Continuous Dispense D. Sequence of Electrical Circuit - Dispensing2. Portion Dispense 1. DCM-500BAH-OS E. Performance DataAPPROXIMATE 2. DCM-500BWH-OSIV. Service Diagnosis A. Diagnostic Procedure B.Ice Production Check 1. No Ice Production C. Diagnostic Charts1 The icemaker will 3 Ice purge cycle will 2. Low Ice Production 3. Other 4. Dispensing 5. Opti Serve OS Sensors 5b. Ice Dispensing Portion Mode 5a. Ice Dispensing Continuous Mode5c. Water Dispensing A.Service for Refrigerant Lines V. Removal and Replacement of Components1. Refrigerant Recovery 2. Brazing3.Evacuation and Recharge R-404A B. Removal and Replacement of Compressor C. Removal and Replacement of Expansion Valve Page 1. Upper Bearing Wear Check 2.Removal and Replacement of Extruding Head4. Removal and Replacement of Evaporator 3.Removal and Replacement of Auger11Lift off the evaporator 9Disconnect the inlet and outlet tubing5b. Lower Housing 6.Removal and Replacement of Gear Motor 6Disconnect the condenser inlet and outlet piping 15Check for water leaks Water‑Cooled Model Only I.Removal and Replacement of Fan Motor K. Removal and Replacement of Drain Valve 1.Dispensing Auger and Agitator L.Removal and Replacement of Dispensing System2.Dispensing or Agitating Motor Agitator Agitating Motor Dispensing Motor 6Install the new motorDispensing Auger A. Cleaning and Sanitizing Instructions VI. Cleaning and MaintenancebCleaning Procedure aCleaning Solution1. Water System bSanitizing Solution cSanitizing SolutioncCleaning and Sanitizing Procedure 2. Dispensing ComponentsFig. Fig B. Maintenance C. Preparing the Icemaker for Long Storage 5Close the condenser water supply line drain valve