–184–
QDUAL/CVD2075 REMOTE AIR COOLED
NOTE: A Scroll compressor must be operated for a
minimum break-in period of 72 hours before full ice
production will be reached. These characteristics may
vary depending on operating conditions.
CYCLE TIMES
24-HOUR ICE PRODUCTION
OPERATING PRESSURES
Freeze Time + Harvest Time = Cycle Time
Air Temp.
Entering
Condenser
°F/°C
Freeze Time
Harvest
Time
Water Temperature °F/°C
50/10.0 70/21.1 90/32.2
-20 to 70/
-29 to 21.1
9.7-10.4 10.9-11.7 11.6-12.5 1.5-6.0
90/32.2 10.1-10.8 11.3-12.1 12.0-12.9
.75-2.5
100/37.8 10.8-11.6 12.0-12.9 12.9-13.8
110/43.3 12.0-12.9 12.5-13.4 13.9-14.9
1
Times in minutes.
Air Temp.
Entering
Condenser
°F/°C
Water Temperature °F/°C
50/10.0 70/21.1 90/32.2
-20 to 70/
-29 to 21.1
2000 1800 1700
80/26.7 1930 1750 1650
90/32.2 1810 1650 1550
100/37.8 1650 1590 1450
1
Based on average ice weight of one Harvest cycle
15.50-16.50 lb.
2
Regular cube derate is 7%.
Air Temp.
Entering
Condenser
°F/°C
Freeze Cycle Harvest Cycle
Discharge
Pressure
psig
Suction
Pressure
psig
Discharge
Pressure
psig
Suction
Pressure
psig
-20 to 50/
-29 to 10.0
260-215 38-15 130-175 50-70
70/21.1 270-220 42-16 140-185 65-85
80/26.7 280-250 45-17 160-205 65-85
90/32.2 290-255 48-17 180-210 70-85
100/37.8 320-265 52-18 180-215 75-90
110/43.3 360-300 55-19 185-220 85-100
Refer to page 176.