Sy1874C/Cvd1885 Series Remote Air Cooled - Manitowoc QuietQube SD0672C Technician's Handbook

SY1874C/CVD1885 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.
264
Freeze Time
Water Temperature °F/°C
50/10
10.7-11.7
12.2-13.3
13.1-14.3
14.2-15.5
50/10
1825
1625
1525
1420
Freeze Cycle
Discharge
Pressure Pressure
psig
215-250
215-260
240-280
250-295
290-365
300-380
70/21
11.7-12.8 12.8-14.0
12.9-14.1 14.7-16.0
14.4-15.7 15.9-17.3
15.6-17.0 17.2-18.7
Water Temperature °F/°C
70/21
1690
1550
1405
1305
Suction Discharge
Pressure
psig
60-30 140-155
60-33 140-155
60-34 145-165
60-35 150-170
60-36 160-190
60-37 170-200
Part Number 80-1505-3 6/11
Harvest
Time
90/32
.75-2.5
90/32
1560
1375
1285
1195
Harvest Cycle
Suction
Pressure
psig psig
65-90
65-90
65-95
65-95
75-100
80-110