Manuals / Hoshizaki / Kitchen Appliance / Ice Maker

Hoshizaki DCM-500BAH-OS service manual DCM-500BWH-OS

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

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2. DCM-500BWH(-OS)

2. DCM-500BWH(-OS)

Spout A Expansion Valve

	Spout B
Evaporator Assembly	Drain Water Valve
	Drain Water Valve

Inlet Water Valve

Float Switch

Reservoir

Control Box

Power Switch

Door Switch

Gear Motor Manual background

Control Switch

Dispense Mode Switch

Shutter Assembly

Water-Cooled Drier

Condenser

Storage Bin

Agitator

Ice Dispensing

Auger

Agitating Motor

Dispensing Motor

Manual background Compressor

Dispensing Water

Valve

Spout Cover

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Hoshizaki DCM-500BAH-OS service manual DCM-500BWH-OS

Contents

DCM-500BAH-OS DCM-500BWH DCM-500BWH-OS Cubelet Icemaker / Dispenser Models DCM-500BAHHoshizakiHoshizaki America, Inc Peachtree City, GA Complete and detailed explanation of the problemHOSHIZAKI AMERICA, INC 618 Highway 74 South Attn Hoshizaki Technical Support DepartmentCONTENTS C. Diagnostic Charts IV. Service DiagnosisA. Diagnostic Procedure V. Removal and Replacement of ComponentsI. Specifications A. Icemaker 1. DCM-500BAH2. DCM-500BAH-OS design without prior3. DCM-500BWH without prior 4. DCM-500BWH-OSdesign II. General Information A. Construction 1. DCM-500BAH-OS2. DCM-500BWH-OS B. Ice Making Unit 1. DCM-500BAH-OS, DCM-500BWH-OS2. Ice Purge Cycle 60 seconds C. Sequence of Operation1. Fill Cycle 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 2. Features aLED LightsaPower Supply 3. Controls and Adjustments aPortion Control4. Control Board Check Procedure bIce Making ComponentscDispensing Components DCM-500BAH, DCM-500BWH E. Float Switch Inlet Water Valve Water Supply Float Switch III. Technical InformationA. Water Circuit and Refrigeration Circuit Gear Motor Fan Air-Cooled Condenser Access ValveAccess Compressor Valve Water Supply Out Water Regulating Valve AccessDispensing Water Valve High Pressure Switch 2. DCM-500BWH-OSHigh Pressure Switch B. Wiring Diagrams1. DCM-500BAH, DCM-500BWH WIRE COLOR CODEWIRE COLOR CODE 2. DCM-500BAH-OS, DCM-500BWH-OSHigh Pressure Switch Air-CooledModelC. Sequence of Electrical Circuit - Ice Making 1. Fill CycleDCM-500BAH 2. Ice Purge CycleWIRE COLOR CODE DCM-500BWHDCM-500BAH WIRE COLOR CODE3. Freeze Cycle DCM-500BAH-OS4. 12 Hour Drain Cycle / Drain Switch 5. Shutdown DCM-500BAH6. Low Water Safety 7. High Pressure Switch D. Sequence of Electrical Circuit - Dispensing 1. Continuous Dispense2. Portion Dispense E. Performance Data 1. DCM-500BAH-OS2. DCM-500BWH-OS APPROXIMATEIV. Service Diagnosis A. Diagnostic Procedure B.Ice Production Check C. Diagnostic Charts 1. No Ice Production1 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 1. Refrigerant Recovery V. Removal and Replacement of ComponentsA.Service for Refrigerant Lines 2. Brazing3.Evacuation and Recharge R-404A B. Removal and Replacement of Compressor C. Removal and Replacement of Expansion Valve Page 2.Removal and Replacement of Extruding Head 1. Upper Bearing Wear Check3.Removal and Replacement of Auger 4. Removal and Replacement of Evaporator9Disconnect the inlet and outlet tubing 11Lift off the evaporator5b. 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 VI. Cleaning and Maintenance A. Cleaning and Sanitizing InstructionsbCleaning Procedure aCleaning Solution1. Water System cCleaning and Sanitizing Procedure cSanitizing SolutionbSanitizing Solution 2. Dispensing ComponentsFig. Fig B. Maintenance C. Preparing the Icemaker for Long Storage 5Close the condenser water supply line drain valve