Hoshizaki HWR68A(-D) Freezers Energy Saving Operating Mode, Board Self Check Minute Delay

4. Freezers – Energy Saving Operating Mode

a) Sequence of Operation

	POWER ON
Board Self Check		2-minute Delay
1.	Frame heater(s) on	1.	Compressor start-up
2.	Evaporator fan(s)	2.	Condenser fan start-up
	cycles on and off	3.	Evaporator fan(s) on
			(continuously)

Cycle Off (Cut-out temperature reached) [Minimum 2 minutes]

1.Compressor off

2.Condenser fan off

3.Evaporator fan(s) cycles on and off

Cycle On (Cut-on temperature reached) [Minimum 2 minutes]

1.Compressor start-up

2.Condenser fan start-up

3.Evaporator fan(s) on (continuously)

Continue as normal cycling

Defrost Start Preprogrammed time interval

1.Compressor off

2.Evaporator fan(s) off

3.Condenser fan off

4.Defrost heater on

5. "dF" displayed

Defrost End Defrost thermistor reaches defrost termination temperature,

or defrost timer reaches 1 hour

Defrost heater off

Five minutes after defrost heater off

1.Compressor on

2.Condenser fan on

Five minutes after	Eight minutes after evaporator
compressor start-up	fan start-up "dF" no longer
1. Evaporator fan(s) on	displayed, cabinet temperature
	displayed

Note:

1)Cut-on, cut-off, and cabinet temperature are read by the same sensor, called the "cabinet thermistor."

2)The defrost thermistor reads the evaporator temperature.

19