Hoshizaki HWR40A(-D), HUR96A(-D), HUR68A(-D), HUR40A(-D), HWR68A(-D) service manual Freezers Energy

Page 20

							Freezers – Energy	b)
Defrost Termination Temperature								Timing Chart
	Defrost Thermistor
	No meaning
	Setpoint + Differential (+)
	Cabinet Thermistor
	Setpoint + Differential (--)						Saving
		2 min.					Saving
	ON	(Min. ON)					Operating
	ON
	Compressor
	OFF	2 min.	2 min.		5 min.
		2 min.	2 min.		5 min.
	ON	(Start	(Min. OFF)		(Drain Delay)
	ON	Delay)
	Condenser Fan						Mode
	OFF
	ON
20	ON
20	Evaporator Fan(s)
	Evaporator Fan(s)
	OFF	*	Intermittent	*	5 min.	Intermittent	*
			Intermittent		5 min.	Intermittent
	ON		Operation		(Fan Delay)	Operation
	ON		(All Compressor OFF Periods)		< 60 min.	(All Compressor OFF Periods)
	Defrost Heater				< 60 min.
	OFF				(Max. Defrost Duration)
	OFF
	ON
	Defrost Indicator					8 min.
	OFF					8 min.
	OFF					(Display Delay)
						(Display Delay)
	ON
	Frame Heater(s)
	OFF

Time

6 hours

(Defrost Start - Adjustable)* Five second evaporator fan start up delay when compressor and fan would otherwise start together

Power ON

Image 20

Contents Superior Degree Reliability Energy Star Contents Page Undercounter Model Names Specifications Nameplate RatingsDimensions HUR40A, HUF40A Units mm 1a. HUR40A-D, HUF40A-D HWR40A, HWF40A 2a. HWR40A-D, HWF40A-DHUR68A, HUF68A 3a. HUR68A-D, HUF68A-DHWR68A, HWF68A 4a. HWR68A-D, HWF68A-DHUR96A Units mm 5a. HUR96A-D HWR96A Units mm 6a. HWR96A-D II. General Information Construction Evaporator CaseSequence of Operation Sequence of Operation and Timing ChartsRefrigerators Continuous Operating Mode Timing Chart OperatingFreezers Continuous Operating Mode Freezers Continuous Refrigerators Energy Saving Operating Mode Defrost End Defrost thermistor reaches defrostEnergy Freezers Energy Saving Operating Mode Board Self Check Minute DelayFreezers Energy Start-Up Delay Control BoardRelay Wiring Harness K311 Thermistor Wiring Harness K151Rear FrontSettings and Diagnostics Gaining Access to Settings and DiagnosticsAdjusting the Setpoint Temperature Temperature DisplaySwitching the Display Between Fahrenheit and Celsius F5 Cabinet Temperature Correction calibration factor Settings and Diagnostics Menu Later SectionDefrost Termination Temperature F1 Defrost Interval F0Setpoint Temperature Differential F2 High Temperature Alarm Delay Time F3 Low Temperature Alarm Delay Time F4Temperature Display Scale F5 Alarm History F6Compressor Run Time F7 Operating ModesEnergy Saving Perimeter Frame HeaterContinuous III. Service Diagnosis Alarm Codes Alarm Signals Alarm Code ProblemAlarm Display Priority Error Code Priority DescriptionAlarm Details and Countermeasures High Temperature Alarm E1Reset Options Possible CausesLow Temperature Alarm E2 Defrost Alarm E3 High Pressure Alarm E4Clogged Filter Alarm E7 Defrost Temperature Sensor Malfunction Alarm E8 Clogged Filter Sensor Malfunction Alarm E9 Control Board Error Alarms EA and ED Diagnosis Chart Problem Possible Cause RemedyProblem Possible Cause Remedy Problem Possible Cause Remedy Thermistor Check IV. Removal and Replacement of Components Service for Refrigerant LinesRefrigerant Recovery BrazingEvacuation and Recharge Removal and Replacement of Refrigeration Unit Removal and Replacement of CompressorRemoval and Replacement of Evaporator Page Page Removal and Replacement of Thermistors Cabinet ThermistorDefrost Thermistor Clogged Filter Thermistor sensorRemoval and Replacement of Door Gasket Removal and Replacement of Defrost HeaterRemoval and Replacement of Control Board Removal and Replacement of Fan Motors Door Re-Hinging and Drawer ConversionCondenser Fan Motor Evaporator Fan MotorCleaning and Maintenance Instructions CleaningMaintenance Air FilterShelves 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