Manuals / Hoshizaki / Kitchen Appliance / Ice Maker

Hoshizaki KM-630MAH, KM-630MWH, KM-630MRH service manual Timing Chart

Models: KM-630MAH KM-630MRH KM-630MWH

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Specifications Wiring Diagrams Maintenance Problem Possible Cause Remedy Cleaning Procedure Controls and Adjustments Setting Time Refrigerant Recovery Proximity Switch

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3. TIMING CHART

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Hoshizaki KM-630MAH, KM-630MWH, KM-630MRH service manual Timing Chart

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Contents

KM-630MAH KM-630MWH KM-630MRH Hoshizaki AMERICA, INC Contents Maintenance Water TEMP. F Specifications KM-630MAH 2a. KM-630MWH Serial #L00001D M20270B 2b. KM-630MWH Serial #M20301E KM-630MRH URC-6F Condenser Unit Specifications KM-630MAH II. General Information Construction KM-630MWH KM-630MRH Controller Board Features of Control Products E Controller BoardController Board SOLID-STATE ControlPage Freeze Cycle Beep every 3 sec. = High Evaporator Temperature 127 FMinute Fill Cycle Harvest Cycle Control Products HOS-001A Board Important Water Valve opening is limited to 6 minutes Sequence 1st Cycle 2nd Cycle and after with pump drain 2nd Cycle and after with no pump drain For Models with Thermostat Controls and AdjustmentsPage Setting Time Models with Thermostat Checking the Controller Board Models with Mechanical BIN Control Explanation of Operation Proximity SwitchMechanical BIN Control Troubleshooting Mechanical BIN Control only KM-630MAH KM-630MWH KM-630MRH Wiring Diagrams Page B1 KM-630MRH with auxiliary codes L-0, M-0, M-1 B2 KM-630MRH with auxiliary codes M-2 and after Timing Chart Page 157 Performance Data Pressure Drop of Cooling Water Line B1 KM-630MWH Serial #L00001D M20270B B2 KM-630MWH Serial #M20301E 603 Problem Possible Cause Remedy IV. Service Diagnosis 1. no ICE Production Controller Board Problem Possible Cause Remedy Thermistor Evaporator is Frozen UP Others LOW ICE ProductionAbnormal ICE Evacuation and Recharge R-404A Removal and Replacement of ComponentsService for Refrigerant Lines Refrigerant Recovery Brazing Removal and Replacement of Compressor Important Page Removal and Replacement of Expansion Valve Removal and Replacement of Drier Removal and Replacement of HOT GAS Valve and Line Valve Page Removal and Replacement of Evaporator Important Page Adjustment of Water Regulating Valve WATER-COOLED Model only Page Removal and Replacement of Thermistor Caution Removal and Replacement of FAN Motor Removal and Replacement of Pump Motor Removal and Replacement of Water Valve Removal and Replacement of Spray Tubes Preparing the Icemaker for Long Storage VI. Cleaning and Maintenance InstructionsPage Cleaning and Sanitizing Procedures Cleaning Procedure Page Sanitizing Procedure Maintenance

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