Manitowoc Marine Q 1000, Service Technician'S Handbook

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Q600 Series - Self-Contained Water-Cooled
Characteristics may vary depending on operating conditions.
CYCLE TIMES
Freeze Time + Harvest Time = Total Cycle Time
24 HOUR ICE PRODUCTION
CONDENSER WATER CONSUMPTION
OPERATING PRESSURES
Air Temp.
Around Ice
Machine
°F/°C
Freeze Time
Harvest Time
Times in minutes
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
Air Temp. Around
Ice Machine
°F/°C
Water Temperature °F/°C
Based on average ice slab weight of 4.12 - 4.75 lb.
Regular cube derate is 7%
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
Air Temp. Around Ice
Machine 90°F/32.2°C
Water Temperature °F/°C
Water regulating valve set to maintain 230 PSIG discharge pressure
50/10.0 70/21.1 90/32.2
Gal/24 hours 600 1250 6800
Air Temp.
Around Ice
Machine
°F/°C
Freeze Cycle Harvest Cycle
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
Suction pressure drops gradually throughout the freeze cycle
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