Manitowoc indigo series Technician's Handbook page 261

I1406W
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
70/21
80/27
90/32
100/38
110/43
1 Times in minutes
24 HOUR ICE PRODUCTION
Air Temp. Around Ice
Machine °F/°C
70/21
80/27
90/32
100/38
110/43
1 Based on average ice slab weight of 10.25 - 11.50 lb.
OPERATING PRESSURES
Air Temp
Around Ice
Machine
°F/°C
50/10
70/21
80/27
90/32
100/38
110/43
1 Suction pressure drops gradually throughout the freeze cycle
2 Water regulating valve set to maintain 230 psig
3 Condenser Water Usage = 154 gal/100 lb ice @ 90°/70°F
Part Number STH025 11/16
Water Temperature °F/°C
50/10
11.0-12.9
11.2-13.2
11.4-13.4
11.6-13.6
11.8-13.9
Freeze Cycle
Discharge
Pressure Pressure
PSIG
240-250
240-250
240-250
245-255
245-260
245-265
Freeze Time
70/21
12.1-14.2
12.3-14.4
12.7-15.0
12.8-15.0
12.8-15.0
Water Temperature °F/°C
50/10 70/21
1495
1485
1390
1380
1370
Suction Discharge
Pressure
PSIG
40-24 155-185
40-26 165-185
50-27 165-185
50-27 185-205
54-28 205-225
60-29 225-255
Harvest
Time
90/32
13.3-14.6
13.3-14.6
13.6-16.0 0.75-2.0
13.6-16.7
90/32
1360 1200
1340 1195
1325 1195
1275 1170
1205 1140
Harvest Cycle
Suction
Pressure
PSIG PSIG
75-95
75-95
75-95
85-105
95-120
105-130
1
1
1
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