Manitowoc QD0202A, Руководство по обслуживанию

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Section 7 Refrigeration System
Part No. 80-1100-3
7-41
Q800 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
Q1000 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/-28.9 to
70/21.1
9.5-11.0 10.6-12.2 11.6-13.4
1-2.5
80/26.7 9.7-11.1 10.8-12.4 11.9-13.6
90/32.2 9.8-11.3 11.0-12.6 12.1-13.8
100/37.8 10.6-12.2 11.9-13.6 13.2-15.1
110/43.3 11.9-13.6 13.4-15.4 14.7-16.9
Times in minutes
Air Temp.
Entering
Condenser
°F/°C
Water Temperature °F/°C
50/10.0 70/21.1 90/32.2
-20/-28.9 to
70/21.1
750 685 630
80/26.7 740 675 620
90/32.2 730 665 610
100/37.8 685 620 565
110/43.3 620 555 510
Based on average ice slab weight of 5.75- 6.50lb
Regular cube derate is 7%
Ratings with JC0895 condenser, dice or half dice cubes
Air Temp.
Entering
Condenser
°F/°C
Freeze Cycle Harvest Cycle
Discharg
e
Pressure
PSIG
Suction
Pressure
PSIG
Discharg
e
Pressure
PSIG
Suction
Pressure
PSIG
-20/-28.9 to
50/10.0
220-250 30-22 180-200 65-90
70/21.1 225-250 32-22 190-200 70-90
80/26.7 240-260 33-22 190-205 70-90
90/32.2 255-265 34-22 195-205 70-90
100/37.8 275-295 38-24 200-210 70-90
110/43.3 280-320 40-26 200-225 75-100
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 9.9-10.6 10.6-11.4 11.3-12.2
1-2.5
80/26.7 10.2-11.0 11.2-12.0 11.9-12.8
90/32.2 10.9-11.7 11.9-12.8 12.8-13.7
100/37.8 12.1-13.0 13.2-14.1 14.2-15.2
Times in minutes
Air Temp.
Entering
Condenser
°F/°C
Water Temperature °F/°C
50/10.0 70/21.1 90/32.2
70/21.1 980 920 870
80/26.7 950 880 830
90/32.2 900 830 780
100/37.8 820 760 710
Based on average ice slab weight of 7.75 - 8.25lb
Regular cube derate is 7%
Air Temp.
Entering
Condenser
°F/°C
Freeze Cycle Harvest Cycle
Discharg
e
Pressure
PSIG
Suction
Pressure
PSIG
Discharg
e
Pressure
PSIG
Suction
Pressure
PSIG
50/10.0 220-280 38-18 135-180 65-90
70/21.1 220-280 40-18 140-180 70-90
80/26.7 225-280 42-20 140-180 70-95
90/32.2 260-295 42-22 150-200 80-100
100/37.8 300-330 42-24 210-225 80-100
110/43.3 320-360 44-24 210-240 85-120
Suction pressure drops gradually throughout the freeze cycle