Manitowoc Marine Q 1000, Service Technician'S Handbook

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Q600 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 7.1-8.4 7.8-9.2 8.6-10.1
1-2.5
80/26.7 7.8-9.2 8.6-10.1 9.5-11.2
90/32.2 8.6-10.1 9.5-11.2 10.4-12.2
100/37.8 9.5-11.2 10.6-12.5 12.0-14.0
Air Temp. Entering
Condenser
°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
70/21.1 690 640 590
80/26.7 640 590 540
90/32.2 590 540 500
100/37.8 540 490 440
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
50/10.0 195-260 42-22 155-180 75-95
70/21.1 220-290 44-22 160-185 85-100
80/26.7 220-305 52-22 160-190 90-110
90/32.2 250-325 52-23 175-195 95-115
100/37.8 280-355 54-30 195-210 95-125
110/43.3 300-385 56-32 200-225 100-135