Hoshizaki HWR68A(-D) Freezers - Energy Saving Operating Mode, a Sequence of Operation, Power On

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

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4. Freezers – Energy Saving Operating Mode

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,

POWER ON 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.

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Hoshizaki HWR68A(-D) Freezers - Energy Saving Operating Mode, a Sequence of Operation, Power On, Board Self Check