Service Manual

226 Part Number: 000015430 Rev 02 5/20
IT1200 SERIES
IT1200A
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 7.5-8.4 8.1-9.0 9.6-10.6
1-2.5
80/27 8.5-9.4 9.5-10.5 10.1-11.2
90/32 9.1-10.1 9.9-10.9 10.6-11.7
100/38 9.9-11.0 10.8-12.0 12.2-13.4
110/43 11.1-12.3 12.1-13.4 13.3-14.7
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 1195 1125 975
80/27 1085 985 930
90/32 1020 950 895
100/38 945 875 790
110/43 855 795 730
1 Based on average ice slab weight of 7.5 - 8.2 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
50/10 270-340 70-35 160-170 120-135
70/21 270-350 70-36 160-185 120-140
80/27 270-350 75-38 160-185 120-140
90/32 345-415 75-38 190-220 140-170
100/38 445-510 85-42 270-315 190-245
110/43 445-530 100-43 270-315 200-245
1 Suction pressure drops gradually throughout the freeze cycle