Manitowoc QD0202A, Руководство по обслуживанию

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Section 7 Refrigeration System
Part No. 80-1100-3
7-43
Q1300 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
Q1300 SERIES
Self-Contained Water-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
70/21.1 9.4-10.5 9.9-11.1 10.9-12.2
1-2.5
80/26.7 9.9-11.1 10.6-11.8 11.6-12.9
90/32.2 11.0-12.3 11.5-12.8 12.8-14.2
100/37.8 12.3-13.7 13.2-14.7 14.7-16.3
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 1320 1260 1160
80/26.7 1260 1190 1100
90/32.2 1150 1110 1010
100/37.8 1040 980 890
Based on average ice slab weight of 10.0- 11.0 lb
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 40-20 140-170 65-80
70/21.1 220-280 40-20 145-170 70-80
80/26.7 220-280 42-22 150-185 70-80
90/32.2 245-300 48-26 160-190 70-85
100/37.8 275-330 50-26 160-210 70-90
110/43.3 280-360 52-28 165-225 75-100
Suction pressure drops gradually throughout the freeze cycle
Air Temp.
Around Ice
Machine
°F/°C
Freeze Time
Harvest
Time
Water Temperature °F/°C
50/10.0 70/21.1 90/32.2
70/21.1 9.0-10.1 9.8-10.9 11.4-12.6
1-2.5
80/26.7 9.1-10.1 9.8-11.0 11.6-12.9
90/32.2 9.2-10.3 10.0-11.2 12.0-13.3
100/37.8 9.4-10.5 10.1-11.3 12.2-13.6
Times in minutes
Air Temp.
Around Ice
Machine
°F/°C
Water Temperature °F/°C
50/10.0 70/21.1 90/32.2
70/21.1 1370 1280 1120
80/26.7 1360 1270 1100
90/32.2 1340 1250 1070
100/37.8 1320 1240 1050
Based on average ice slab weight of 10.0 - 11.0 lb
Regular cube derate is 7%
Condenser
Water
Consumption
90/32.2 Air Temperature
Around Ice Machine
Water Temperature °F/°C
50/10.0 70/21.1 90/32.2
Gal/24 hours 1150 2220 7400
Water regulating valve set to maintain 240 PSIG discharge pressure
Air Temp.
Around Ice
Machine
°F/°C
Freeze Cycle Harvest Cycle
Discharg
e
Pressure
PSIG
Suction
Pressure
PSIG
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
50/10.0 235-245 40-18 150-180 70-80
70/21.1 235-245 40-18 150-180 70-80
80/26.7 235-245 40-20 150-180 70-80
90/32.2 235-250 42-20 150-180 70-80
100/37.8 235-255 44-20 150-180 70-80
110/43.3 240-265 46-20 150-180 70-80
Suction pressure drops gradually throughout the freeze cycle