Sd2072C/Cvd2075 Series Remote Air Cooled - Manitowoc QuietQube SD0672C Technician's Handbook

SD2072C/CVD2075 SERIES REMOTE AIR COOLED

NOTE: These characteristics may vary depending on
operating conditions.
CYCLE TIMES
Freeze Time + Harvest Time = Cycle Time
Air Temp.
Entering
Condenser
°F/°C
-20 to 70/
-29 to 21
90/32
100/38
110/43
1
Times in minutes.
24-HOUR ICE PRODUCTION
Air Temp.
Entering
Condenser
°F/°C
-20 to 70/
-29 to 21
90/32
100/38
110/43
1
Based on average ice weight of one Harvest cycle 15.5-16.75 lb.
(7.75-8.38 lb. per evaporator).
OPERATING PRESSURES
Air Temp.
Entering
Condenser
°F/°C
-20 to 70/
-29 to 21
80/27
90/32
100/38
110/43
120/49
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
Part Number 80-1505-3 6/11
Freeze Time
Water Temperature °F/°C
50/10
9.2-10.1
10.1-11.0
10.6-11.6
11.1-12.1
50/10
2080
1925
1845
1770
Freeze Cycle
Discharge
Pressure Pressure
psig
205-245
230-250
230-275
240-290
310-380
320-390
70/21
10.2-11.2 11.4-12.4
10.6-11.5 12.4-13.5
11.6-12.7 12.9-14.1
12.2-13.3 13.5-14.7
Water Temperature °F/°C
70/21
1905
1850
1700
1625
Suction Discharge
Pressure
psig
30-16 130-175
30-18 185-200
35-18 185-200
35-19 190-210
38-20 200-240
40-22 225-240
Harvest
Time
90/32
.75-2.5
90/32
1735
1610
1545
1485
Harvest Cycle
Suction
Pressure
psig psig
45-60
50-65
50-65
50-70
60-80
70-80
265