Service Manual

228 Part Number: 000015430 Rev 02 5/20
IT1200N
Remote Air-Cooled Condenser 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 8.1-8.9 9.1-10.1 10.0-11.1
1-2.5
80/27 8.6-9.5 9.6-10.6 10.4-11.5
90/32 9.2-10.2 9.8-10.8 11.0-12.2
100/38 10.6-11.8 10.8-12.0 12.4-13.7
110/43 12.6-8.4 12.8-14.1 14.3-15.7
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 1130 1015 940
80/27 1070 975 910
90/32 1010 960 865
100/38 890 875 775
110/43 840 755 685
1 Based on average ice slab weight of 7.5 - 8.2 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
-20 to 50
-29 to 10
265-280 65-42 170-180 120-130
70/21 305-330 65-42 180-195 120-145
80/27 310-345 70-44 180-205 115-155
90/32 310-380 75-45 185-205 120-155
100/38 400-460 80-50 200-215 140-155
110/43 405-475 90-50 200-220 145-160
1 Suction pressure drops gradually throughout the freeze cycle