Manitowoc S300 - Page 199

Part Number 80-1479-3 7/10 199
S420A
All Self-Contained Air-cooled Models After Serial Number
110667970
Characteristics may vary depending on operating conditions.
CYCLE TIMES
Freeze Time + Harvest Time = Total Cycle Time
24 HOUR ICE PRODUCTION
OPERATING PRESSURES
Air Temp.
Entering
Condenser
°F/°C
Freeze Time
Harvest
Time
1
1 Times in minutes
Water Temperature °F/°C
50/10 70/21 90/32
70/21 9.4-10.0 10.2-10.8 11.1-11.8
1-2.5
80/27 9.9-10.6 10.7-11.5 11.7-12.5
90/32 10.4-11.1 11.4-12.1 12.5-13.3
Air Temp. Entering
Condenser °F/°C
Water Temperature °F/°C
1
1 Based on average ice slab weight of 3.4-3.6 lbs.
50/10 70/21 90/32
70/21 450 420 390
80/27 430 400 370
90/32 410 380 350
Air Temp
Entering
Condenser
°F/°C
Freeze Cycle Harvest Cycle
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
1
1 Suction pressure drops gradually throughout the freeze cycle
50/10 195-255 50-30 125-185 70-90
70/21 195-270 60-30 135-190 80-115
80/27 220-285 62-32 135-195 80-115
90/32 250-320 70-34 175-195 85-115
100/38 290-390 75-35 190-215 115-140
110/43 320-400 80-37 225-250 130-170