Service Manual

230 Part Number: 000015430 Rev 02 5/20
IT1500W
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 7.1-8.1 7.4-8.5 9.2-10.5
1-2.5
80/27 7.6-8.7 7.8-8.9 9.4-10.7
90/32 7.6-8.8 8.9-10.2 9.6-11.0
100/38 7.7-8.8 9.4-10.7 9.7-11.1
110/43 7.8-8.9 9.6-10.9 9.9-11.3
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 1725 1655 1380
80/27 1625 1585 1360
90/32 1615 1420 1330
100/38 1605 1360 1315
110/43 1590 1335 1295
1 Based on average ice slab weight of 10.25 - 11.50 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
50/10 310-320 70-43 155-170 105-125
70/21 310-320 70-45 160-175 115-130
80/27 315-325 70-45 165-180 115-135
90/32 315-330 75-45 170-185 120-135
100/38 320-360 80-45 175-190 125-140
110/43 320-365 80-45 175-195 125-140
1 Suction pressure drops gradually throughout the freeze cycle
2 Water regulating valve set to maintain 315 psig