Manitowoc QD0202A, Руководство по обслуживанию

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Section 7 Refrigeration System
Part No. 80-1100-3
7-45
Q1600 SERIES
Remote
NOTE: These characteristics may vary depending on
operating conditions.
Cycle Times
Freeze Time + Harvest Time = Total Cycle Time
24 Hour Ice Production
Operating Pressures
Q1800 SERIES
Self-Contained Air-Cooled
NOTE: These characteristics may vary depending on
operating conditions.
Cycle Times
Freeze Time + Harvest Time = Total Cycle Time
24 Hour Ice Production
Operating Pressures
Air Temp.
Entering
Condenser
°F/°C
Freeze Time
Harvest
Time
Water Temperature °F/°C
50/10.0 70/21.1 90/32.2
-20 to 70
-29 to 21.1
7.5-8.4 8.2-9.2 9.0-10.1
1 - 2.5
90/32.2 8.0-8.9 8.6-9.6 9.2-10.3
100/37.8 8.4-9.3 9.2-10.2 9.7-10.8
110/43.3 9.2-10.3 10.0-11.2 10.4-11.6
Times in minutes
Air Temp.
Entering
Condenser
°F/°C
Water Temperature °F/°C
50/10.0 70/21.1 90/32.2
-20 to 70
-29 to 21.1
1600 1478 1370
90/32.2 1523 1425 1340
100/37.8 1460 1350 1290
110/43.3 1343 1250 1213
Based on average ice slab weight of 13.0- 14.12lb
Ratings with JC1895 condenser, dice or half dice cubes
Air Temp.
Entering
Condenser
°F/°C
Freeze Cycle Harvest Cycle
Discharg
e
Pressure
PSIG
Suction
Pressure
PSIG
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
-20 to 50/-29
to 10.0
220-255 52-26 100-120 70-85
70/21.1 250-270 56-28 110-120 75-90
80/26.7 250-275 56-28 110-120 75-90
90/32.2 255-285 56-28 110-120 80-90
100/37.8 270-310 56-30 115-130 80-95
110/43.3 305-350 58-32 120-135 80-100
Suction pressure drops gradually throughout the freeze cycle
Air Temp.
Entering
Condenser
°F/°C
Freeze Time
Harvest
Time
Water Temperature °F/°C
50/10.0 70/21.1 90/32.2
70/21.1 8.5-9.3 9.4-10.3 9.9-10.9
1-2.5
80/26.7 9.0-9.9 9.8-10.8 10.5-11.5
90/32.2 9.6-10.5 10.4-11.5 11.1-12.2
100/37.8 10.6-11.6 11.5-12.6 12.4-13.6
Times in minutes
Air Temp.
Entering
Condenser
°F/°C
Water Temperature °F/°C
50/10.0 70/21.1 90/32.2
70/21.1 1880 1720 1640
80/26.7 1780 1650 1560
90/32.2 1690 1570 1480
100/37.8 1550 1440 1350
Based on average ice slab weight of 13.0 - 14.12lb
Regular cube derate is 7%
Air Temp.
Entering
Condenser
°F/°C
Freeze Cycle Harvest Cycle
Discharg
e
Pressure
PSIG
Suction
Pressure
PSIG
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
50/10.0 220-280 40-20 155-190 60-80
70/21.1 220-280 40-20 160-190 65-80
80/26.7 230-290 42-20 160-190 65-80
90/32.2 260-320 44-22 185-205 70-90
100/37.8 300-360 46-24 210-225 75-100
110/43.3 320-400 48-26 215-240 80-100
Suction pressure drops gradually throughout the freeze cycle