Qdual/Cvd1875 Remote Air Cooled - Manitowoc QR0670C Technician Manual

QDUAL/CVD1875 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 21.1
90/32.2
100/37.8
110/43.3
1
Times in minutes.
24-HOUR ICE PRODUCTION
Air Temp.
Entering
Condenser
°F/°C
-20 to 70/
-29 to 21.1
80/26.7
90/32.2
100/37.8
1
Based on average ice weight of one Harvest cycle
15.50-16.50 lb.
2
Regular cube derate is 7%.
OPERATING PRESSURES
Air Temp.
Entering
Condenser
°F/°C
-20 to 50/
-29 to 10.0
70/21.1
80/26.7
90/32.2
100/37.8
110/43.3
Refer to page 176
Freeze Time
Water Temperature °F/°C
50/10.0
10.8-11.6
12.0-12.9
13.1-14.0
14.9-16.0
50/10.0
1820
1650
1530
1360
Freeze Cycle
Discharge
Pressure Pressure
psig
260-215
275-220
285-250
310-265
370-300
395-335
70/21.1
11.9-12.7 12.8-13.7
13.1-14.0 14.2-15.2
14.3-15.4 15.7-16.8
16.2-17.4 17.4-18.6
Water Temperature °F/°C
70/21.1
1670
1530
1410
1260
Suction Discharge
Pressure
psig
42-22 140-185
42-24 150-190
43-25 155-195
44-26 165-195
46-28 170-200
50-30 180-210
–183–
Harvest
Time
90/32.2
.75-2.5
90/32.2
1560
1420
1300
1180
Harvest Cycle
Suction
Pressure
psig
65-85
70-90
70-95
70-100
85-115
90-125
psig