270 Part Number 80-1505-3 6/11
SY3074C/CVD3085 SERIES REMOTE AIR COOLED
NOTE: These characteristics may vary depending on
operating conditions.
CYCLE TIMES
24-HOUR ICE PRODUCTION
OPERATING PRESSURES
NOTE: CVD3085 Models - Verify the direction of rotation correct is
correct on the 3ph scroll compressor. The ice machine will have high
suction pressure, low discharge pressure and will be noticeably loud.
Reverse any two incoming power leads to reverse rotation.
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
10.6-12.1 11.2-12.8 12.6-14.3
0.75-2.5
90/32 11.8-13.4 13.1-14.9 14.8-16.8
100/38 12.5-14.2 14.0-15.9 16.0-18.1
110/43 13.4-15.3 15.1-17.2 17.5-19.8
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
2910 2770 2510
90/32 2660 2420 2160
100/38 2520 2280 2020
110/43 2360 2120 1860
1
Based on average ice weight of one Harvest cycle 24.5-27.5 lb.
(6.38-7.13 lb. per evaporator).
Air Temp.
Entering
Condenser
°F/°C
Freeze Cycle Harvest Cycle
Discharge
Pressure
psig
Suction
Pressure
psig
Discharge
Pressure
psig
Suction
Pressure
psig
-20 to 70/
-29 to 21
250-220 48-30 135-150 70-85
80/27 300-240 50-30 145-170 70-90
90/32 320-280 55-32 165-190 80-100
100/38 350-310 60-33 180-200 90-110
110/43 400-350 65-35 180-210 100-115
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
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