I1800 Series - Manitowoc indigo series Technician's Handbook

I1800 SERIES

I1800A
Self-Contained Air-Cooled Model
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 13.20 - 14.80 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 STH025 11/16
Water Temperature °F/°C
50/10
8.8-10.1
9.6-11.0
10.4-11.8
11.4-13.0
12.8-14.5
Freeze Cycle
Discharge
Pressure Pressure
PSIG
220-280
220-280
240-290
260-330
300-270
330-410
Freeze Time
70/21
9.6-11.0
10.7-12.2
11.8-13.4
13.1-14.9
14.9-16.9
Water Temperature °F/°C
50/10 70/21
1840
1710
1600
1470
1330
Suction Discharge
Pressure
PSIG
40-24 150-180
40-26 160-180
50-27 160-180
50-27 180-200
54-28 200-220
60-30 220-250
Harvest
Time
90/32
10.5-11.9
11.5-13.1
12.6-14.3 0.75-2.0
14.1-16.0
16.1-18.2
90/32
1710 1590
1560 1460
1430 1350
1300 1220
1160 1080
Harvest Cycle
Suction
Pressure
PSIG PSIG
70-90
70-90
70-90
80-100
90-115
100-130
1
12
1
263