254 Part Number 80-1505-3 6/11
SY1074C/CVD1085 SERIES REMOTE AIR COOLED
MACHINES AFTER SERIAL NUMBER 110697654
NOTE: 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 70/21 90/32
-20 to 70/
-29 to 21
6.9-8.1 7.5-8.7 8.4-9.7
.75-2.5
90/32 8.0-9.2 8.2-9.5 9.5-11.0
100/38 8.7-10.0 9.4-10.8 10.2-11.8
110/43 9.4-10.8 10.2-11.7 11.0-12.6
1
Times in minutes.
Air Temp.
Entering
Condenser
°F/°C
Water Temperature °F/°C
50/10 70/21 90/32
-20 to 70/
-29 to 21
990 915 835
80/27 875 850 750
90/32 810 760 705
100/38 760 710 665
1
Based on average ice slab weight of 5.75-6.5 lb.
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
200-250 40-30 170-210 70-85
70/21 230-255 50-30 185-220 70-90
80/27 235-260 50-30 190-225 70-95
90/32 240-290 55-31 200-240 85-105
100/38 275-345 60-32 220-260 90-115
110/43 310-380 65-32 240-280 100-120
During low ambient conditions, it is normal for the head pressure
control valve to hunt (fluctuate up and down) on CVD condensing
units. Hunting varies by model and ambient temperature, but
generally settles out within the first 6 minutes of the freeze cycle.