User Manual - Page 204

For IRT1900N263E.

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204 Part Number: 000015430 Rev 02 5/20
IT0300 SERIES
IT0300A
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 9.6-11.5 10.8-12.9 12.3-14.6
1-2.5
80/27 10.6-12.6 12.3-14.6 13.5-16.0
90/32 11.8-14.0 13.9-16.4 15.0-17.7
100/38 13.2-15.7 14.6-17.3 16.2-19.2
110/43 15.0-17.7 15.8-18.7 17.7-20.9
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
70/21 310 280 250
80/27 285 250 230
90/32 260 225 210
100/38 235 215 195
110/43 210 200 180
1 Based on average ice slab weight of 2.40 - 2.80 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
50/10 260-340 70-40 155-180 145-165
70/21 265-340 85-40 155-200 140-175
80/27 300-380 85-41 160-200 145-175
90/32 330-395 90-42 170-200 150-175
100/38 430-490 95-44 210-240 185-220
110/43 430-515 105-48 215-240 185-220
1 Suction pressure drops gradually throughout the freeze cycle
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