Manitowoc S model, Service Manual

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Refrigeration System Section 7
7-36
Part Number 80-1480-3
S500 SERIES
Remote
NOTE: These characteristics may vary depending on
operating conditions.
Cycle Times
Freeze Time + Harvest Time = Total Cycle Time
24 Hour Ice Production
Operating Pressures
S600 SERIES
Self-Contained Air-Cooled
NOTE: These 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
Water Temperature °F/°C
50/10.0 70/21.1 90/32.2
-20/-28.9 to
70/21.1
9.9-11.7 11.1-13.1 12.6-14.8
1-2.5
80/26.7 9.9-11.7 11.4-13.4 12.6-14.8
90/32.2 10.1-11.9 11.4-13.4 12.6-14.8
100/37.8 10.9-12.8 12.3-14.4 13.3-15.6
110/43.3 12.0-14.0 13.3-15.6 14.1-16.5
Times in minutes
Air Temp.
Entering
Condenser
°F/°C
Water Temperature °F/°C
50/10.0 70/21.1 90/32.2
-20/-28.9 to
70/21.1
520 470 420
80/26.7 520 460 420
90/32.2 510 460 420
100/37.8 480 430 400
110/43.3 440 400 380
Based on average ice slab weight of 4.12 - 4.75 lb
Ratings with JC495 condenser, dice or half dice cubes
Air Temp.
Entering
Condenser
°F/°C
Freeze Cycle Harvest Cycle
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
-20/-28.9 to
50/10.0
210-240 42-29 105-160 75-100
70/21.1 235-250 48-31 105-165 85-100
80/26.7 245-260 50-32 110-165 85-100
90/32.2 250-270 52-33 110-170 90-105
100/37.8 265-315 60-34 125-175 90-110
110/43.3 295-365 62-35 130-185 95-115
Suction pressure drops gradually throughout the freeze cycle
Air Temp.
Entering
Condenser
°F/°C
Freeze Time
Harvest
Time
Water Temperature °F/°C
50/10.0 70/21.1 90/32.2
70/21.1 7.6-9.0 8.4-9.9 9.1-10.7
1-2.5
80/26.7 7.8-9.2 8.8-10.3 9.3-10.9
90/32.2 8.6-10.1 9.5-11.2 10.2-11.9
100/37.8 9.9-11.7 10.9-12.8 11.4-13.4
Times in minutes
Air Temp.
Entering
Condenser
°F/°C
Water Temperature °F/°C
50/10.0 70/21.1 90/32.2
70/21.1 650 600 560
80/26.7 640 580 550
90/32.2 590 540 510
100/37.8 520 480 460
Based on average ice slab weight of 4.12 - 4.75 lb
Air Temp.
Entering
Condenser
°F/°C
Freeze Cycle Harvest Cycle
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
50/10.0 220-255 45-27 140-160 60-80
70/21.1 220-270 45-28 145-170 70-90
80/26.7 230-300 50-30 165-185 75-95
90/32.2 265-345 54-32 180-215 80-105
100/37.8 300-395 60-35 210-245 85-120
110/43.3 340-430 65-39 240-280 100-140
Suction pressure drops gradually throughout the freeze cycle