Service Manual

Part Number: 000015430 Rev 02 5/20 229
IT1500 SERIES
IT1500A
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 6.7-7.7 7.2-8.3 8.6-9.8
1-2.5
80/27 7.3-8.4 8.1-9.3 9.5-10.8
90/32 9.0-10.2 9.7-11.0 10.9-12.4
100/38 9.9-11.3 10.7-12.2 12.6-14.3
110/43 12.5-14.2 13.1-14.9 14.4-16.3
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 1800 1690 1460
80/27 1670 1540 1345
90/32 1410 1320 1190
100/38 1295 1205 1050
110/43 1055 1010 930
1 Based on average ice slab weight of 10.25 - 11.50 lb.
2 230/50/1 is approximately 12% lower than 230/60/1
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
50/10 260-340 60-38 150-160 110-120
70/21 260-340 65-40 160-170 115-125
80/27 300-380 70-40 185-200 130-145
90/32 360-425 75-42 195-205 135-155
100/38 415-500 85-44 220-240 165-180
110/43 435-530 90-45 240-250 170-190
1 Suction pressure drops gradually throughout the freeze cycle