Manitowoc Indigo Series Technician's Handbook page 241

I0850W
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
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 5.75 - 6.50 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 = 150 gal/100 lb ice @ 90°/70°F
Part Number STH025 02/12
Water Temperature °F/°C
50/10
8.4-9.7
8.7-10.1
9.1-10.5
9.5-10.9
Freeze Cycle
Discharge
Pressure
PSIG
230-240
230-240
230-240
240-250
240-255
240-265
Freeze Time
70/21
9.5-10.9 10.7-12.3
9.7-11.1 10.8-12.6
11.4-13.1 11.0-12.8
10.3-11.9 11.3-13.0
Water Temperature °F/°C
50/10
835
810
780
755
730
Suction Discharge
Pressure Pressure
PSIG
45-28
60-28
65-28
65-28
70-30
70-32
Harvest
90/32
70/21
755
740
640
700
680
Harvest Cycle
Suction
Pressure
PSIG PSIG
135-160
135-160
135-160
135-160
140-160
140-160
1
Time
1-2.5
1
90/32
680
665
655
645
635
1
70-85
70-85
70-85
70-90
75-95
75-95
241