Hoshizaki HWR68A(-D) User Manual

19

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

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