I1200 Series - Manitowoc Indigo Series Technician's Handbook

I1200 SERIES

S1200A
Characteristics vary depending on operating conditions.
CYCLE TIMES
Freeze Time + Harvest Time = Total Cycle Time
Air Temp.
Entering
Condenser
°F/°C
70/21
80/27
90/32
100/38
110/43
1 Times in minutes
24 HOUR ICE PRODUCTION
Air Temp. Entering
Condenser
°F/°C
70/21
80/27
90/32
100/38
110/43
1 Based on average ice slab weight of 7.5 - 8.25 lb
2 230/50/1 is approximately 12% lower than 230/60/1
OPERATING PRESSURES
Air Temp.
Entering
Condenser
°F/°C
50/10
70/21
80/27
90/32
100/38
110/43
1 Suction pressure drops gradually throughout the freeze cycle
Part Number Preliminary 6/11
Water Temperature °F/°C
50/10
8.3-9.3
9.2-10.3
10.2-11.3
11.4-12.6
12.9-14.3
Freeze Cycle
Discharge
Pressure Pressure
PSIG
195-255
220-280
240-300
265-340
310-390
340-430
Freeze Time
70/21
8.9-10.0
9.9-11.0
10.9-12.2
12.3-13.6
13.9-15.5
Water Temperature °F/°C
50/10
1100
1010
925
840
750
Suction Discharge
Pressure
PSIG
40-20 135-155
50-22 140-180
50-24 155-180
55-25 165-200
60-28 200-215
60-30 200-240
Harvest
90/32
9.7-10.8
10.6-11.8
11.8-13.2 0.75-2.0
13.3-14.8
15.1-16.8
70/21
1035
950
870
785
700
Harvest Cycle
Suction
Pressure
PSIG PSIG
65-85
70-90
75-95
85-100
95-110
105-125
1
Time
12
90/32
965
890
810
730
650
1
333