User ManualTable of ContentsI. Specifications5A. Icemaker51. DCM-500BAH52. DCM-500BAH-OS63. DCM-500BWH74. DCM-500BWH-OS8II. General Information9A. Construction9B. Ice Making Unit11C. Sequence of Operation121. Fill Cycle122. Ice Purge Cycle (60 seconds)123. Freeze Cycle124. Drain Cycle125. Shutdown12D. Control Board141. Control Board Layout15a) DCM-500BAH, DCM-500BWH15b) DCM-500BAH-OS, DCM-500BWH-OS162. Features173. Controls and Adjustments184. Control Board Check Procedure18E. Float Switch20III. Technical Information21A. Water Circuit and Refrigeration Circuit21B. Wiring Diagrams231. DCM-500BAH, DCM-500BWH232. DCM-500BAH-OS, DCM-500BWH-OS24C. Sequence of Electrical Circuit – Ice Making251. Fill Cycle252. Ice Purge Cycle263. Freeze Cycle274. 12 Hour Drain Cycle / Drain Switch285. Shutdown296. Low Water Safety307. High Pressure Switch31D. Sequence of Electrical Circuit – Dispensing321. Continuous Dispense322. Portion Dispense33E. Performance Data341. DCM-500BAH(-OS)342. DCM-500BWH(-OS)35IV. Service Diagnosis36A. Diagnostic Procedure36B. Ice Production Check37C. Diagnostic Charts381. No Ice Production382. Low Ice Production413. Other424. Dispensing435. Opti Serve (OS) Sensors44V. Removal and Replacement of Components46A. Service for Refrigerant Lines461. Refrigerant Recovery462. Brazing463. Evacuation and Recharge (R-404A)47B. Removal and Replacement of Compressor48C. Removal and Replacement of Expansion Valve49D. Removal and Replacement of Evaporator Assembly Components501. Upper Bearing Wear Check512. Removal and Replacement of Extruding Head513. Removal and Replacement of Auger524. Removal and Replacement of Evaporator525. Removal and Replacement of Mechanical Seal and Lower Housing546. Removal and Replacement of Gear Motor55E. Removal and Replacement of Self-Contained Air-Cooled Condenser56F. Removal and Replacement of Water-Cooled Condenser57G. Removal and Replacement of Water Regulating Valve ‑ Water‑Cooled Model Only58H. Adjustment of Water Regulating Valve - Water-Cooled Model Only59I. Removal and Replacement of Fan Motor59J. Removal and Replacement of Inlet or Dispensing Water Valve60K. Removal and Replacement of Drain Valve60L. Removal and Replacement of Dispensing System611. Dispensing Auger and Agitator612. Dispensing or Agitating Motor61VI. Cleaning and Maintenance63A. Cleaning and Sanitizing Instructions631. Water System64a) Cleaning Solution64b) Cleaning Procedure64c) Sanitizing Solution65d) Sanitizing Procedure - Following Cleaning Procedure652. Dispensing Components65a) Cleaning Solution65b) Sanitizing Solution65c) Cleaning and Sanitizing Procedure65B. Maintenance67C. Preparing the Icemaker for Long Storage68Size: 2.88 MBPages: 69Language: EnglishOpen manual