Hoshizaki HWR40A(-D) Specifications Nameplate Ratings, Dimensions, Undercounter Model Names

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I. Specifications

A. Nameplate Ratings

			Design Pressure		Refrigerant
			(PSIG)		(oz.)
Model	AC Supply Voltage	Amperes	HI	LO	404A	134a
HUR40A(-D), HWR40A(-D)	115/60/1	5.0	240	120		15.2
HUR68A(-D), HWR68A(-D)	115/60/1	5.0	240	120		15.2
HUR96A(-D), HWR96A(-D)	115/60/1	6.0	240	120		15.2
HUF40A(-D), HWF40A(-D)	115/60/1	5.5	450	250	14.1
HUF68A(-D), HWF68A(-D)	115/60/1	10.0	450	250	13.0

Undercounter Model Names

The undercounter models covered in this service manual initially had different model names. If you have a unit with an auxiliary code of N-6 and a serial number ending in "H", refer to the table below.

Model Name on	Current
Nameplate	Name
UR1-SSB	HUR40A

UR2-SSB	HUR68A

UF1-SSB	HUF40A

UF2-SSB	HUF68A

B. Dimensions

	Door Opening mm		Total Refrigerated	Total Shelf	Hotel Pan
			Volume ft3	Space ft2	Capacity (-D)
Model	Width	Height	Volume ft3	Space ft2	Capacity (-D)
HUR40A(-D), HWR40A(-D),			8.5	7.6	4
HUF40A(-D), HWF40A(-D)

HUR68A(-D), HWR68A(-D),	570.2	616.2	18.8	17.1	8
HUF68A(-D), HWF68A(-D)

HUR96A(-D), HWR96A(-D)			29.1	26.6	12

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Contents Superior Degree Reliability Energy Star Contents Page Undercounter Model Names Specifications Nameplate RatingsDimensions HUR40A, HUF40A Units mm 1a. HUR40A-D, HUF40A-D 2a. HWR40A-D, HWF40A-D HWR40A, HWF40A3a. HUR68A-D, HUF68A-D HUR68A, HUF68A4a. HWR68A-D, HWF68A-D HWR68A, HWF68AHUR96A Units mm 5a. HUR96A-D HWR96A Units mm 6a. HWR96A-D Evaporator Case II. General Information ConstructionSequence of Operation Sequence of Operation and Timing ChartsRefrigerators Continuous Operating Mode Operating Timing ChartFreezers Continuous Operating Mode Freezers Continuous Defrost End Defrost thermistor reaches defrost Refrigerators Energy Saving Operating ModeEnergy Board Self Check Minute Delay Freezers Energy Saving Operating ModeFreezers Energy Control Board Start-Up DelayThermistor Wiring Harness K151 Relay Wiring Harness K311Rear FrontGaining Access to Settings and Diagnostics Settings and DiagnosticsAdjusting the Setpoint Temperature Temperature DisplaySwitching the Display Between Fahrenheit and Celsius F5 Cabinet Temperature Correction calibration factor Later Section Settings and Diagnostics MenuDefrost Interval F0 Defrost Termination Temperature F1Setpoint Temperature Differential F2 Low Temperature Alarm Delay Time F4 High Temperature Alarm Delay Time F3Alarm History F6 Temperature Display Scale F5Operating Modes Compressor Run Time F7Energy Saving Perimeter Frame HeaterContinuous Alarm Signals Alarm Code Problem III. Service Diagnosis Alarm CodesError Code Priority Description Alarm Display PriorityHigh Temperature Alarm E1 Alarm Details and CountermeasuresReset Options Possible CausesLow Temperature Alarm E2 High Pressure Alarm E4 Defrost Alarm E3Clogged Filter Alarm E7 Defrost Temperature Sensor Malfunction Alarm E8 Clogged Filter Sensor Malfunction Alarm E9 Control Board Error Alarms EA and ED Problem Possible Cause Remedy Diagnosis ChartProblem Possible Cause Remedy Problem Possible Cause Remedy Thermistor Check Service for Refrigerant Lines IV. Removal and Replacement of ComponentsRefrigerant Recovery BrazingEvacuation and Recharge Removal and Replacement of Compressor Removal and Replacement of Refrigeration UnitRemoval and Replacement of Evaporator Page Page Cabinet Thermistor Removal and Replacement of ThermistorsDefrost Thermistor Clogged Filter Thermistor sensorRemoval and Replacement of Defrost Heater Removal and Replacement of Door GasketRemoval and Replacement of Control Board Door Re-Hinging and Drawer Conversion Removal and Replacement of Fan MotorsCondenser Fan Motor Evaporator Fan MotorCleaning Cleaning and Maintenance InstructionsAir Filter MaintenanceShelves Drawers115/60/1 A2. HUR40A-D, HWR40A-D auxiliary code Q6 and later HUF40A-D, HWF40A-D C1. HUR68A, HWR68A auxiliary code Q5 and earlier C2. HUR68A-D, HWR68A-D auxiliary code Q6 and later HUF68A-D, HWF68A-D HUR96A-D, HWR96A-D