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Hoshizaki service manual Freeze Cycle, DCM-500BAH-OS, DCM-500BWH-OS, Wire Color Code

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

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3. Freeze Cycle

Compressor and fan motor start 60 seconds after gear motor starts.

DCM-500BAH

DCM-500BWH

(Control Board)

DCM-500BAH-OS

DCM-500BWH-OS

(Control Board)

WIRE COLOR CODE

BK	BLACK
BR	BROWN
BU	BLUE
DBU	DARK BLUE
GY	GRAY
LBU	LIGHT BLUE

O	ORANGE		W/BK	WHITE/BLACK
P	PINK		W/BR	WHITE/BROWN
R	RED		W/BU	WHITE/BLUE
V	VIOLET		W/O	WHITE/ORANGE
W	WHITE		W/R	WHITE/RED
Y	YELLOW

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Hoshizaki service manual Freeze Cycle, DCM-500BAH-OS, DCM-500BWH-OS, Wire Color Code

Contents

Cubelet Icemaker / Dispenser Models DCM-500BAH DCM-500BAH-OS DCM-500BWH DCM-500BWH-OSHoshizakiHoshizaki America, Inc Attn Hoshizaki Technical Support Department Complete and detailed explanation of the problemHOSHIZAKI AMERICA, INC 618 Highway 74 South Peachtree City, GACONTENTS V. Removal and Replacement of Components IV. Service DiagnosisA. Diagnostic Procedure C. Diagnostic Charts1. DCM-500BAH I. Specifications A. Icemakerdesign without prior 2. DCM-500BAH-OS3. DCM-500BWH 4. DCM-500BWH-OS without priordesign 1. DCM-500BAH-OS II. General Information A. Construction2. DCM-500BWH-OS 1. DCM-500BAH-OS, DCM-500BWH-OS B. Ice Making Unit3. Freeze Cycle C. Sequence of Operation1. Fill Cycle 2. Ice Purge Cycle 60 seconds1. Startup 2.Shutdown & Restart3.12 Hour Drain Cycle Shutdown & Restart D. Control Board 1.Control Board Layout aDCM-500BAH, DCM-500BWH Control BoardPart Number 2A1592-01 b DCM-500BAH-OS, DCM-500BWH-OS Control BoardPart Number 2A2649-01 aLED Lights 2. FeaturesbIce Making Components 3. Controls and Adjustments aPortion Control4. Control Board Check Procedure aPower SupplycDispensing Components DCM-500BAH, DCM-500BWH E. Float Switch Gear Motor Fan Air-Cooled Condenser Access Valve III. Technical InformationA. Water Circuit and Refrigeration Circuit Inlet Water Valve Water Supply Float Switch2. DCM-500BWH-OS Water Supply Out Water Regulating Valve AccessDispensing Water Valve High Pressure Switch Access Compressor ValveWIRE COLOR CODE B. Wiring Diagrams1. DCM-500BAH, DCM-500BWH High Pressure SwitchAir-CooledModel 2. DCM-500BAH-OS, DCM-500BWH-OSHigh Pressure Switch WIRE COLOR CODE1. Fill Cycle C. Sequence of Electrical Circuit - Ice MakingDCM-500BWH 2. Ice Purge CycleWIRE COLOR CODE DCM-500BAHDCM-500BAH-OS WIRE COLOR CODE3. Freeze Cycle DCM-500BAH4. 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 5a. Ice Dispensing Continuous Mode 5b. Ice Dispensing Portion Mode5c. Water Dispensing 2. Brazing V. Removal and Replacement of ComponentsA.Service for Refrigerant Lines 1. Refrigerant Recovery3.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 L.Removal and Replacement of Dispensing System 1.Dispensing Auger and Agitator2.Dispensing or Agitating Motor 6Install the new motor Agitator Agitating Motor Dispensing MotorDispensing Auger A. Cleaning and Sanitizing Instructions VI. Cleaning and MaintenanceaCleaning Solution bCleaning Procedure1. Water System 2. Dispensing Components cSanitizing SolutionbSanitizing Solution cCleaning and Sanitizing ProcedureFig. Fig B. Maintenance C. Preparing the Icemaker for Long Storage 5Close the condenser water supply line drain valve