Manuals / Hoshizaki / Kitchen Appliance / Freezer

Hoshizaki HUR96A(-D) service manual Models, Service Manual, HoshizakiHoshizaki America, Inc

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

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HoshizakiHoshizaki America, Inc.

HoshizakiHoshizaki America, Inc.

“A Superior Degree

of Reliability”

Commercial Refrigerators & Freezers Undercounter & Worktop Series

Models

Refrigerators

HUR40A(-D) HWR40A(-D)

HUR68A(-D) HWR68A(-D)

HUR96A(-D) HWR96A(-D)

Freezers

HUF40A(-D) HWF40A(-D)

HUF68A(-D) HWF68A(-D)

SERVICE MANUAL

www.hoshizaki.com

Number: 73123

Issued: 2-4-2005

Revised: 9-30-2008

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Hoshizaki HUR96A(-D), HWR40A(-D), HUR68A(-D) service manual Models, Service Manual, HoshizakiHoshizaki America, Inc

Contents

Models SERVICE MANUALCommercial Refrigerators & Freezers Undercounter & Worktop Series HoshizakiHoshizaki America, IncENERGY STAR CONTENTS A. Alarm Codes III. Service Diagnosis1. Alarm Display Priority 2. Alarm Details and CountermeasuresB. Dimensions I. Specifications A. Nameplate RatingsUndercounter Model Names HUR96A-D, HWR96A-D1. HUR40A, HUF40A Units mm in 1a. HUR40A-D, HUF40A-D 2a. HWR40A-D, HWF40A-D 2. HWR40A, HWF40AUnits mm in 3a. HUR68A-D, HUF68A-D 3. HUR68A, HUF68AUnits mm in 4a. HWR68A-D, HWF68A-D 4. HWR68A, HWF68AUnits mm in 5. HUR96A Units mm in 5a. HUR96A-D6. HWR96A Units mm in 6a. HWR96A-D Evaporator Case II. General Information A. Construction1. Refrigerators - Continuous Operating Mode B. Sequence of Operation and Timing Chartsa Sequence of Operation POWER ON Board Self CheckDefrost Indicator Timing ChartPower ON Timea Sequence of Operation 2. Freezers - Continuous Operating ModeDefrost Indicator Timing ChartPower ON TimePOWER ON Board Self Check 3. Refrigerators - Energy Saving Operating Mode2-minute Delay a Sequence of OperationDefrost Indicator Timing ChartPower ON Defrost ThermistorPOWER ON 4. Freezers - Energy Saving Operating Mode2-minute Delay a Sequence of OperationDefrost Indicator Timing ChartPower ON Defrost ThermistorC. Control Board 1. Start-Up DelayThermistor Wiring Harness K151 Relay Wiring Harness K311Rear Front1. Gaining Access to Settings and Diagnostics D. Settings and Diagnosticsa Switching the Display Between Fahrenheit and Celsius F5 2. Temperature Displayb Adjusting the Setpoint Temperature c Cabinet Temperature Correction calibration factor Freezer 3. Settings and Diagnostics Menuearlier a Defrost Interval F0 b Defrost Termination Temperature F1c Setpoint Temperature Differential F2 e Low Temperature Alarm Delay Time F4 d High Temperature Alarm Delay Time F3Detection Time g Alarm History F6 f Temperature Display Scale F5Alarm Code Description4. Operating Modes h Compressor Run Time F7a Continuous E. Perimeter Frame Heaterb Energy Saving c Automatic Corrections Made During Energy Saving Operating ModeIII. Service Diagnosis A. Alarm Codes 1. Alarm Display Priority a. High Temperature Alarm E1 2. Alarm Details and CountermeasuresReset Options Possible CausesReset Options b. Low Temperature Alarm E2Possible Causes d. High Pressure Alarm E4 c. Defrost Alarm E3Reset Options Reset OptionsReset Options e. Clogged Filter Alarm E7Possible Causes Reset Options f. Defrost Temperature Sensor Malfunction Alarm E8Possible Causes Reset Options g. Clogged Filter Sensor Malfunction Alarm E9Possible Causes Reset Options h. Control Board Error Alarms EA and EDProblem B. Diagnosis ChartPossible Cause RemedyPossible Cause ProblemRemedy Possible Cause ProblemRemedy C. Thermistor Check A. Service for Refrigerant Lines IV. Removal and Replacement of Components1. Refrigerant Recovery 2. Brazing3. Evacuation and Recharge C. Removal and Replacement of Compressor B. Removal and Replacement of Refrigeration UnitD. Removal and Replacement of Evaporator 17 Plug in the unit, and turn on the power supply 5 Recover the refrigerant and store it in an approved container10 Remove the evaporator and drier 11 Place the new evaporator and new drier in positionE. Removal and Replacement of Capillary Tube / Suction Line Assembly Cabinet Thermistor F. Removal and Replacement of ThermistorsDefrost Thermistor Clogged Filter Thermistor sensorH. Removal and Replacement of Defrost Heater G. Removal and Replacement of Door GasketI. Removal and Replacement of Control Board K. Door Re-Hinging and Drawer Conversion J. Removal and Replacement of Fan MotorsCondenser Fan Motor Evaporator Fan MotorA. Cleaning V. Cleaning and Maintenance Instructions1. Stainless Steel Exterior 2. Stainless Steel Interior5. Air Filter B. Maintenance6. Shelves 7. DrawersVI. 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