Hoshizaki KM-650MAH, KM-650MRH service manual KM-650MWH water-cooled

Page 11

2. KM-650MWH (water-cooled)

Spray Tubes

Control Switch

Bin Control Thermostat

Expansion Valve

Float Switch

Water Pump

Compressor

Water Supply Inlet

Water Regulator Valve

Control Box

Condenser

Drier

Hot Gas Valve

11

Image 11

Contents KM-650MAH KM-650MWH KM-650MRH Hoshizaki AMERICA, INC Contents Page KM-650MAH air-cooled Specifications IcemakerWater Cooled Condenser KM-650MWH water-cooledKM-650MRH remote air-cooled URC-5F Condensing UnitModel URC-5F SpecificationsII. General Information Construction KM-650MWH water-cooled KM-650MRH remote air-cooled Sequence of Operation Cycle Steps Harvest Cycle Freeze Cycle One Minute Control Board Control Board Control Products E Control BoardControl Board Layout Maximum Water Supply Period 6 minutes FeaturesLED Lights and Audible Alarm Safeties Default Dip Switch Settings Controls and AdjustmentsHarvest Timer dip switch 1 Pump-Out Frequency Control dip switch 5 Control Board Replacement Control Board Check ProcedureKM-650MAH air-cooled KM-650MWH water-cooled KM-650MRH remote air-cooled KM-650MAH air-cooled and KM-650MWH water-cooled Wiring DiagramsPsig 108 Performance Data680 615 IV. Service Diagnosis Minute KM Diagnostic Procedure No Ice Production Diagnostic ChartsProblem Possible Cause Remedy Problem Possible Cause Remedy Problem Possible Cause Remedy Evaporator is Frozen Up Other Low Ice ProductionAbnormal Ice Problem Possible Cause Remedy Evacuation and Recharge R-404A Removal and Replacement of ComponentsService for Refrigerant Lines Refrigerant RecoveryBrazing Removal and Replacement of CompressorRemoval and Replacement of Drier Removal and Replacement of Expansion Valve Removal and Replacement of Hot Gas Valve and Line Valve Removal and Replacement of Evaporator Adjustment of Water Regulating Valve Water-Cooled Model Only Page Removal and Replacement of Fan Motor Removal and Replacement of ThermistorRemoval and Replacement of Pump Motor Removal and Replacement of Inlet Water ValveRemoval and Replacement of Spray Tubes Cleaning and Sanitizing Procedures VI. Cleaning and Maintenance InstructionsCleaning Procedure Stainless Steel Exterior MaintenanceSanitizing Procedure Following Cleaning Procedure Condenser air-cooled and remote air-cooled models only Preparing the Icemaker for Long StorageStorage Bin and Scoop Air Filters air-cooled models onlyDrain the potable water tank Drain the potable water supply line

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