Document Outline

• I. Specifications
  • A. Icemaker
    • 1. DCM-500BAH
    • 2. DCM-500BAH-OS
    • 3. DCM-500BWH
    • 4. DCM-500BWH-OS
• II. General Information
  • A. Construction
  • B. Ice Making Unit
  • C. Sequence of Operation
    • 1. Fill Cycle
    • 2. Ice Purge Cycle (60 seconds)
    • 3. Freeze Cycle
    • 4. Drain Cycle
    • 5. Shutdown
  • D. Control Board
    • 1. Control Board Layout
      • a) DCM-500BAH, DCM-500BWH
      • b) DCM-500BAH-OS, DCM-500BWH-OS
    • 2. Features
    • 3. Controls and Adjustments
    • 4. Control Board Check Procedure
  • E. Float Switch
• III. Technical Information
  • A. Water Circuit and Refrigeration Circuit
  • B. Wiring Diagrams
    • 1. DCM-500BAH, DCM-500BWH
    • 2. DCM-500BAH-OS, DCM-500BWH-OS
  • C. Sequence of Electrical Circuit – Ice Making
    • 1. Fill Cycle
    • 2. Ice Purge Cycle
    • 3. Freeze Cycle
    • 4. 12 Hour Drain Cycle / Drain Switch
    • 5. Shutdown
    • 6. Low Water Safety
    • 7. High Pressure Switch
  • D. Sequence of Electrical Circuit – Dispensing
    • 1. Continuous Dispense
    • 2. Portion Dispense
  • E. Performance Data
    • 1. DCM-500BAH(-OS)
    • 2. DCM-500BWH(-OS)
• IV. Service Diagnosis
  • A. Diagnostic Procedure
  • B. Ice Production Check
  • C. Diagnostic Charts
    • 1. No Ice Production
    • 2. Low Ice Production
    • 3. Other
    • 4. Dispensing
    • 5. Opti Serve (OS) Sensors
• V. Removal and Replacement of Components
  • A. Service for Refrigerant Lines
    • 1. Refrigerant Recovery
    • 2. Brazing
    • 3. Evacuation and Recharge (R-404A)
  • B. Removal and Replacement of Compressor
  • C. Removal and Replacement of Expansion Valve
  • D. Removal and Replacement of Evaporator Assembly Components
    • 1. Upper Bearing Wear Check
    • 2. Removal and Replacement of Extruding Head
    • 3. Removal and Replacement of Auger
    • 4. Removal and Replacement of Evaporator
    • 5. Removal and Replacement of Mechanical Seal and Lower Housing
    • 6. Removal and Replacement of Gear Motor
  • E. Removal and Replacement of Self-Contained Air-Cooled Condenser
  • F. Removal and Replacement of Water-Cooled Condenser
  • G. Removal and Replacement of Water Regulating Valve ‑ Water‑Cooled Model Only
  • H. Adjustment of Water Regulating Valve - Water-Cooled Model Only
  • I. Removal and Replacement of Fan Motor
  • J. Removal and Replacement of Inlet or Dispensing Water Valve
  • K. Removal and Replacement of Drain Valve
  • L. Removal and Replacement of Dispensing System
    • 1. Dispensing Auger and Agitator
    • 2. Dispensing or Agitating Motor
• VI. Cleaning and Maintenance
  • A. Cleaning and Sanitizing Instructions
    • 1. Water System
      • a) Cleaning Solution
      • b) Cleaning Procedure
      • c) Sanitizing Solution
      • d) Sanitizing Procedure - Following Cleaning Procedure
    • 2. Dispensing Components
      • a) Cleaning Solution
      • b) Sanitizing Solution
      • c) Cleaning and Sanitizing Procedure
  • B. Maintenance
  • C. Preparing the Icemaker for Long Storage