Manitowoc STH042 7/15 - U0140 Self-Contained Air-Cooled

124 Part Number STH042 7/15
U0140 SELFCONTAINED AIRCOOLED
NOTE: These characteristics may vary depending on
operating conditions.
Cycle Times
Freeze Time + Harvest Time = Total Cycle Time
Air Temp.
Entering
Condenser
°F/°C
Freeze Time Harvest
Time
Water Temperature °F/°C
50/10 70/21 90/32
70/21 10.2-11.7 12.4-14.1 13.0-14.8
1.0-2.5
80/27 11.2-12.8 13.0-14.8 14.6-16.5
90/32 11.8-13.4 14.6-16.5 17.6-19.9
100/38 14.6-16.5 17.6-19.9 19.9-17.6
110/43 16.5-18.7 19.9-17.6 20.3-23.0
Times in minutes
24 Hour Ice Production
Air Temp.
Entering
Condenser
°F/°C
Water Temperature °F/°C
50/10 70/21 90/32
70/21 130 110 105
80/27 120 105 95
90/32 115 95 85
100/38 95 85 80
110/43 85 80 70
Based on average ice slab weight of 1.06 – 1.19 lb (481 – 540 g).
Regular cube derate is 7%
Operating Pressures
Air Temp.
Entering
Condenser
°F/°C
Freeze Cycle Harvest Cycle
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
50/10 200-250 55-18 135-170 75-110
70/21 200-250 60-20 140-170 75-120
80/27 220-265 65-22 145-190 75-120
90/32 240-315 70-24 165-200 75-120
100/38 300-380 80-30 200-235 75-120
110/43 310-400 90-32 210-240 75-120
Suction pressure drops gradually throughout the freeze cycle