Hoshizaki HUR68A(-D) Freezer User Manual


 
19
4. Freezers – Energy Saving Operating Mode
a) Sequence of Operation
Note:
1) Cut-on, cut-off, and cabinet temperature are read by the same sensor, called the "cabinet
thermistor."
) The defrost thermistor reads the evaporator temperature.
Five minutes after
defrost heater off
1. Compressor on
. Condenser fan on
Five minutes after
compressor start-up
1. Evaporator fan(s) on
Eight minutes after evaporator
fan start-up "dF" no longer
displayed, cabinet temperature
displayed
Board Self Check
1. Frame heater(s) on
. Evaporator fan(s)
cycles on and off
POWER ON
2-minute Delay
1. Compressor start-up
. Condenser fan start-up
3. Evaporator fan(s) on
(continuously)
Cycle Off (Cut-out
temperature reached)
[Minimum  minutes]
1. Compressor off
. Condenser fan off
3. Evaporator fan(s)
cycles on and off
Continue as
normal cycling
Cycle On (Cut-on
temperature reached)
[Minimum  minutes]
1. Compressor start-up
. Condenser fan start-up
3. Evaporator fan(s) on
(continuously)
Defrost Start
Preprogrammed time interval
1. Compressor off
. 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