Manitowoc SD0302A Technician's Handbook page 203

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S450A
All Self-Contained Air-cooled Models After Serial Number
110670157
Characteristics may vary depending on operating conditions.
CYCLE TIMES
Freeze Time + Harvest Time = Total Cycle Time
Air Temp.
Entering
Condenser
°F/°C
9.4-10.0
70/21
9.9-10.6
80/27
10.4-11.1
90/32
1 Times in minutes
24 HOUR ICE PRODUCTION
Air Temp. Entering
Condenser °F/°C
70/21
80/27
90/32
1 Based on average ice slab weight of 3.4-3.6 lbs.
OPERATING PRESSURES
Freeze Cycle
Air Temp
Entering
Discharge
Condenser
Pressure
°F/°C
PSIG
195-255
50/10
195-270
70/21
220-285
80/27
250-320
90/32
290-390
100/38
320-400
110/43
1 Suction pressure drops gradually throughout the freeze cycle
Part Number 80-1479-3 7/10
manuals search engine
Freeze Time
Water Temperature °F/°C
50/10 70/21
10.2-10.8 11.1-11.8
10.7-11.5 11.7-12.5
11.4-12.1 12.5-13.3
Water Temperature °F/°C
50/10 70/21
450
430
410
Suction Discharge
Pressure Pressure
PSIG PSIG
50-30 125-185
60-30 135-190
62-32 135-195
70-34 175-195
75-35 190-215
80-37 225-250
Harvest
1
Time
90/32
1-2.5
1
90/32
420 390
400 370
380 350
Harvest Cycle
Suction
Pressure
1
PSIG
70-90
80-115
80-115
85-115
115-140
130-170
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