Manitowoc S300 Technician's Handbook page 200

S420W
All Self-Contained Water-cooled Models Before Serial
Number 110667970
Characteristics may vary depending on operating conditions.
CYCLE TIMES
Freeze Time + Harvest Time = Total Cycle Time
Air Temp.
Around Ice
Machine
°F/°C
70/21
80/27
90/32
1 Times in minutes
24 HOUR ICE PRODUCTION
Air Temp. Around Ice
Machine °F/°C
70/21
80/27
90/32
1 Based on average ice slab weight of 3.4-3.6 lb.
CONDENSER WATER CONSUMPTION
Air Temp. Around Ice
Machine 90°F/32°C
Gal/100 lbs. of Ice
1 Water regulating valve set to maintain 240 PSIG discharge pressure
OPERATING PRESSURES
Air Temp.
Around Ice
Machine
°F/°C
50/10
70/21
80/27
90/32
100/38
110/43
1 Suction pressure drops gradually throughout the freeze cycle
200
Water Temperature °F/°C
50/10
8.9-9.5
9.1-9.8
9.4-10.0
50/10
Freeze Cycle
Discharge
Pressure
PSIG
225-235
225-265
235-265
235-270
235-275
240-280
Freeze Time
70/21
9.6-10.3
9.9-10.6
10.2-10.8
Water Temperature °F/°C
50/10
470
460
450
Water Temperature °F/°C
70/21
NA 200
Suction Discharge
Pressure Pressure
PSIG
48-29
52-30
56-30
62-31
65-32
65-32
Part Number 80-1479-3 7/10
Harvest
90/32
10.7-11.5
11.1-11.8
11.4-12.1
70/21 90/32
440
430
420
90/32
NA
Harvest Cycle
Suction
Pressure
PSIG PSIG
150-185
160-190 85-100
170-190 90-110
170-195 95-115
170-205 100-120
170-205 100-120
1
Time
1-2.5
1
400
390
380
1
1
70-95