Service Manual

Part Number: 000015430 Rev 02 5/20 217
IT0620 SERIES
IT0620A
Self-Contained Air-Cooled Model
Characteristics vary depending on operating conditions.
CYCLE TIMES
Freeze Time + Harvest Time = Total Cycle Time
Air Temp.
Entering
Condenser °F/°C
Freeze Time
Harvest
Time ¹
Water Temperature °F/°C
50/10 70/21 90/32
70/21 7.2-8.5 7.9-9.3 8.2-9.6
1-2.5
80/27 7.9-9.3 8.7-10.2 9.0-10.6
90/32 8.5-10.0 9.4-11.0 9.8-11.4
100/38 9.4-11.0 10.4-12.2 10.9-12.7
110/43 9.9-11.6 11.1-12.9 11.6-13.5
1 Times in minutes
24 HOUR ICE PRODUCTION
Air Temp. Entering
Condenser °F/°C
Water Temperature °F/°C ¹
50/10 70/21 90/32
70/21 560 520 505
80/27 520 480 465
90/32 490 450 435
100/38 450 410 395
110/43 430 390 375
1 Based on average ice slab weight of 3.4 - 3.9 lb.
OPERATING PRESSURES
Air Temp
Entering
Condenser
°F/°C
Freeze Cycle Harvest Cycle
Discharge
Pressure
PSIG
Suction
Pressure
PSIG ¹
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
50/10 255-335 60-30 155-170 105-130
70/21 270-340 70-30 170-200 115-135
80/27 270-340 75-35 170-200 115-135
90/32 350-405 75-38 205-240 140-155
100/38 450-520 90-40 290-340 160-235
110/43 450-540 90-42 290-340 160-235
1 Suction pressure drops gradually throughout the freeze cycle