Service Manual

Part Number: 000015430 Rev 02 5/20 205
IT0300W
Self-Contained Water-Cooled Model
Characteristics vary depending on operating conditions.
CYCLE TIMES
Freeze Time + Harvest Time = Total Cycle Time
Air Temp.
Around Ice
Machine °F/°C
Freeze Time
Harvest
Time ¹
Water Temperature °F/°C
50/10 70/21 90/32
70/21 10.0-11.9 11.1-13.2 12.3-14.6
1-2.5
80/27 10.2-12.2 11.3-13.4 12.3--14.6
90/32 10.4-12.4 11.8-14.0 12.3-15.0
100/38 10.6-12.6 11.8-14.0 12.6-15.7
110/43 10.8-12.9 11.8-14.0 12.9-15.3
1 Times in minutes
24 HOUR ICE PRODUCTION
Air Temp. Around Ice
Machine °F/°C
Water Temperature °F/°C ¹
50/10 70/21 90/32
70/21 300 275 250
80/27 295 270 250
90/32 290 260 245
100/38 285 260 245
110/43 280 260 240
1 Based on average ice slab weight of 2.40 - 2.80 lb.
OPERATING PRESSURES
Air Temp
Around Ice
Machine
°F/°C
Freeze Cycle Harvest Cycle
Discharge
Pressure
PSIG ²
Suction
Pressure
PSIG ¹
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
50/10 325-335 65-40 140-155 130-145
70/21 325-335 75-40 150-165 130-155
80/27 325-340 80-40 150-165 130-155
90/32 330-345 85-40 150-170 130-155
100/38 330-345 85-40 150-170 130-155
110/43 330-345 90-40 150-175 130-155
1 Suction pressure drops gradually throughout the freeze cycle
2 Water regulating valve set to maintain 230 psig
3 Condenser Water Usage = 193 gal/100 lb ice @ 90°/70°F