Hoshizaki KM-320MAH - Manual (Page 13)

13
3. Sequence
IMPORTANT
1. Board never accepts defrost completion signal
within the first 2 minutes in defrost cycle.
2. Defrost cycle time is limited to 20 minutes even
if defrost timer does not stop counting.
4. Defrost timer stops counting.
Defrost cycle is completed and
freeze cycle starts.
1. Unit energized and control switch to "ICE"
position. Water supply cycle starts.
2. After 1 minute, defrost
cycle starts.
5. After the first 5 minutes in freeze cycle.
Ready to complete freeze cycle when float
switch circuit opens.
3. Thermistor reads 48°F (9°C).
Defrost timer starts counting.
IMPORTANT
Board never accepts freeze completion signal
within the first 5 minutes in freeze cycle.
IMPORTANT
Water valve opening is
limited to 6 minutes.
Defrost Timer
Water Valve Water Valve
Hot Gas Valve
Defrost
Cycle
Freeze
Cycle
Pump, Fan &
Line Valve
1st Cycle