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Hoshizaki HUR96A(-D), HWR40A(-D), HUR68A(-D), HUR40A(-D), HWR68A(-D) HWR96A Units mm in 6a. HWR96A-D

Models: HWR68A(-D) HUR40A(-D) HUR68A(-D) HUR96A(-D) HWR40A(-D)

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6.HWR96A Units: mm (in.)

6.HWR96A Units: mm (in.)

6a. HWR96A-D

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Hoshizaki HUR96A(-D), HWR40A(-D), HUR68A(-D), HUR40A(-D), HWR68A(-D) service manual HWR96A Units mm in 6a. HWR96A-D

Contents

HoshizakiHoshizaki America, Inc SERVICE MANUALModels Commercial Refrigerators & Freezers Undercounter & Worktop SeriesENERGY STAR CONTENTS 2. Alarm Details and Countermeasures III. Service DiagnosisA. Alarm Codes 1. Alarm Display PriorityHUR96A-D, HWR96A-D I. Specifications A. Nameplate RatingsB. Dimensions Undercounter Model Names1. HUR40A, HUF40A Units mm in 1a. HUR40A-D, HUF40A-D Units mm in 2. HWR40A, HWF40A2a. HWR40A-D, HWF40A-D Units mm in 3. HUR68A, HUF68A3a. HUR68A-D, HUF68A-D Units mm in 4. HWR68A, HWF68A4a. HWR68A-D, HWF68A-D 5. HUR96A Units mm in 5a. HUR96A-D6. HWR96A Units mm in 6a. HWR96A-D Evaporator Case II. General Information A. ConstructionPOWER ON Board Self Check B. Sequence of Operation and Timing Charts1. Refrigerators - Continuous Operating Mode a Sequence of OperationTime Timing ChartDefrost Indicator Power ONa Sequence of Operation 2. Freezers - Continuous Operating ModeTime Timing ChartDefrost Indicator Power ONa Sequence of Operation 3. Refrigerators - Energy Saving Operating ModePOWER ON Board Self Check 2-minute DelayDefrost Thermistor Timing ChartDefrost Indicator Power ONa Sequence of Operation 4. Freezers - Energy Saving Operating ModePOWER ON 2-minute DelayDefrost Thermistor Timing ChartDefrost Indicator Power ONC. Control Board 1. Start-Up DelayFront Relay Wiring Harness K311Thermistor Wiring Harness K151 Rear1. Gaining Access to Settings and Diagnostics D. Settings and Diagnosticsb Adjusting the Setpoint Temperature 2. Temperature Displaya Switching the Display Between Fahrenheit and Celsius F5 c Cabinet Temperature Correction calibration factor earlier 3. Settings and Diagnostics MenuFreezer a Defrost Interval F0 b Defrost Termination Temperature F1c Setpoint Temperature Differential F2 Detection Time d High Temperature Alarm Delay Time F3e Low Temperature Alarm Delay Time F4 Description f Temperature Display Scale F5g Alarm History F6 Alarm Code4. Operating Modes h Compressor Run Time F7c Automatic Corrections Made During Energy Saving Operating Mode E. Perimeter Frame Heatera Continuous b Energy SavingIII. Service Diagnosis A. Alarm Codes 1. Alarm Display Priority Possible Causes 2. Alarm Details and Countermeasuresa. High Temperature Alarm E1 Reset OptionsPossible Causes b. Low Temperature Alarm E2Reset Options Reset Options c. Defrost Alarm E3d. High Pressure Alarm E4 Reset OptionsPossible Causes e. Clogged Filter Alarm E7Reset Options Possible Causes f. Defrost Temperature Sensor Malfunction Alarm E8Reset Options Possible Causes g. Clogged Filter Sensor Malfunction Alarm E9Reset Options Reset Options h. Control Board Error Alarms EA and EDRemedy B. Diagnosis ChartProblem Possible CauseRemedy ProblemPossible Cause Remedy ProblemPossible Cause C. Thermistor Check 2. Brazing IV. Removal and Replacement of ComponentsA. Service for Refrigerant Lines 1. Refrigerant Recovery3. Evacuation and Recharge C. Removal and Replacement of Compressor B. Removal and Replacement of Refrigeration UnitD. Removal and Replacement of Evaporator 11 Place the new evaporator and new drier in position 5 Recover the refrigerant and store it in an approved container17 Plug in the unit, and turn on the power supply 10 Remove the evaporator and drierE. Removal and Replacement of Capillary Tube / Suction Line Assembly Clogged Filter Thermistor sensor F. Removal and Replacement of ThermistorsCabinet Thermistor Defrost ThermistorH. Removal and Replacement of Defrost Heater G. Removal and Replacement of Door GasketI. Removal and Replacement of Control Board Evaporator Fan Motor J. Removal and Replacement of Fan MotorsK. Door Re-Hinging and Drawer Conversion Condenser Fan Motor2. Stainless Steel Interior V. Cleaning and Maintenance InstructionsA. Cleaning 1. Stainless Steel Exterior7. Drawers B. Maintenance5. Air Filter 6. ShelvesVI. Wiring Diagrams A1. HUR40A, HWR40A auxiliary code Q5 and earlier A2. HUR40A-D, HWR40A-D auxiliary code Q6 and later B. HUF40A-D, HWF40A-D C1. HUR68A, HWR68A auxiliary code Q5 and earlier C2. HUR68A-D, HWR68A-D auxiliary code Q6 and later D. HUF68A-D, HWF68A-D E. HUR96A-D, HWR96A-D