Service Manual

Part Number: 000015430 Rev 02 5/20 219
IT0750 SERIES
IT0750A
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 7.2-8.6 8.1-9.5 8.8-10.4
1-2.5
80/27 7.9-9.4 8.6-10.1 9.3-10.9
90/32 8.6-10.1 9.5-11.2 10.1-11.9
100/38 9.5-11.2 10.6-12.5 11.1-13.1
110/43 10.2-12.0 11.1-13.1 11.8-13.9
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
70/21 680 620 575
80/27 630 590 550
90/32 590 540 510
100/38 540 490 470
110/43 505 470 445
1 Based on average ice slab weight of 4.12 - 4.75 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
50/10 270-345 70-30 150-170 105-130
70/21 270-345 70-30 155-175 105-130
80/27 300-375 70-34 155-175 115-130
90/32 345-410 75-37 175-195 135-145
100/38 420-510 90-40 190-205 145-175
110/43 440-530 100-40 195-210 145-175
1 Suction pressure drops gradually throughout the freeze cycle