Manitowoc QD0202A, Руководство по обслуживанию

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Section 7 Refrigeration System
Part No. 80-1100-3
7-39
Q600 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
Q600 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
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 7.4-8.7 8.2-9.7 9.5-11.2
1-2.5
80/26.7 7.5-8.9 8.4-9.9 9.7-11.4
90/32.2 7.8-9.2 8.7-10.3 9.9-11.7
100/37.8 7.9-9.4 8.9-10.5 10.1-11.9
Times in minutes
Air Temp.
Around Ice
Machine
°F/°C
Water Temperature °F/°C
50/10.0 70/21.1 90/32.2
70/21.1 670 610 540
80/26.7 660 600 530
90/32.2 640 580 520
100/37.8 630 570 510
Based on average ice slab weight of 4.12 - 4.75 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 600 1250 6800
Water regulating valve set to maintain 230 PSIG discharge pressure
Air Temp.
Around Ice
Machine
°F/°C
Freeze Cycle Harvest Cycle
Discharg
e
Pressure
PSIG
Suction
Pressure
PSIG
Discharg
e
Pressure
PSIG
Suction
Pressure
PSIG
50/10.0 225-235 46-25 140-184 80-102
70/21.1 225-235 46-26 148-184 82-104
80/26.7 225-235 48-26 154-186 86-108
90/32.2 225-240 48-26 154-190 86-108
100/37.8 225-245 50-28 162-194 86-112
110/43.3 225-250 52-28 165-200 86-115
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
-20/-28.9 to
70/21.1
7.9-9.4 8.9-10.5 9.5-11.2
1-2.5
80/26.7 8.0-9.4 9.0-10.6 9.6-11.3
90/32.2 8.1-9.5 9.1-10.7 9.7-11.4
100/37.8 8.4-9.9 9.5-11.2 10.1-11.9
110/43.3 8.9-10.5 10.1-11.9 10.9-12.8
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
630 570 540
80/26.7 625 565 535
90/32.2 620 560 530
100/37.8 600 540 510
110/43.3 570 510 480
Based on average ice slab weight of 4.12- 4.75 lb
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 42-26 152-170 75-100
70/21.1 225-260 44-26 155-172 82-100
80/26.7 245-265 46-26 156-174 82-100
90/32.2 250-265 48-26 157-174 84-100
100/37.8 265-295 52-26 158-176 84-100
110/43.3 300-335 52-28 158-176 84-105
Suction pressure drops gradually throughout the freeze cycle