Manitowoc Marine Q 1000, Service Technician'S Handbook

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Q1300 Series - Self-Contained Air-Cooled
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
Times in minutes
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
Air Temp. Entering
Condenser
°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 1320 1260 1160
80/26.7 1260 1190 1100
90/32.2 1150 1110 1010
100/37.8 1040 980 890
Air Temp.
Entering
Condenser
°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
50/10.0 220-280 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