S450 Series - Manitowoc S300 Technician's Handbook

S450 SERIES

S450A
All Self-Contained Air-cooled Models Before 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
70/21
80/27
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 3.40 - 3.60 lb.
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
202
Water Temperature °F/°C
50/10
9.4-10.0
9.9-10.6
10.4-11.1
Freeze Cycle
Discharge Suction
Pressure Pressure
PSIG
195-255
195-270
220-285
250-320
290-390
320-400
Freeze Time
70/21
10.2-10.8
10.7-11.5
11.4-12.1
Water Temperature °F/°C
50/10 70/21
450
430
410
Discharge
Pressure
PSIG
50-30 125-180
60-30 135-190
62-32 135-195
70-34 175-195
75-35 190-215
80-37 225-250
Part Number 80-1479-3 7/10
Harvest
90/32
11.1-11.8
11.7-12.5
12.5-13.3
90/32
420
400
380
Harvest Cycle
Suction
Pressure
PSIG PSIG
70-90
80-115
80-115
85-115
115-140
130-170
1
Time
1-2.5
1
390
370
350
1