250 Part Number STH025 11/16
I1000W
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 7.4-8.9 8.5-10.1 9.4-11.1
0.75-2.0
90/32 7.8-9.3 8.9-10.6 9.7-11.5
100/38 7.9-9.4 9.1-10.8 9.8-11.6
110/43 8.0-9.5 8.0-10.9 9.9-11.8
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 1000 895 820
80/27 980 875 810
90/32 960 855 800
100/38 950 845 790
110/43 940 835 780
1 Based on average ice slab weight of 6.2 - 7.2 lb.
OPERATING PRESSURES
Air Temp
Around Ice
Machine
°F/°C
Freeze Cycle Harvest Cycle
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
1
50/10 215-225 45-22 145-170 75-85
70/21 215-225 45-23 150-170 75-90
80/27 220-225 45-24 150-175 75-95
90/32 220-230 45-25 155-175 80-100
100/38 230-250 50-26 160-195 80-110
110/43 240-260 50-27 170-200 80-115
1 Suction pressure drops gradually throughout the freeze cycle
2 Water regulating valve set to maintain 220 psig
3 Condenser Water Usage = 180 gal/100 lb ice @ 90°/70°F