Manitowoc Marine Q 1000, Service Technician'S Handbook

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Q1300 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 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
Air Temp. Around
Ice Machine °F/°C
Water Temperature °F/°C
Based on average ice slab weight of 10.0 - 11.0 lb.
Regular cube derate is 7%
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
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 1150 2220 7400
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
50/10.0 235-245 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