Manitowoc Marine Q 1000, Service Technician'S Handbook

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Q800 Series - Remote
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
-20/-28.9 to 70/
21.1
9.5-11.0 10.6-12.2 11.6-13.4
1-2.5
80/26.7 9.7-11.1 10.8-12.4 11.9-13.6
90/32.2 9.8-11.3 11.0-12.6 12.1-13.8
100/37.8 10.6-12.2 11.9-13.6 13.2-15.1
110/43.3 11.9-13.6 13.4-15.4 14.7-16.9
Air Temp. Entering
Condenser
°F/°C
Water Temperature °F/°C
Based on average ice slab weight of 5.75 - 6.50 lb.
Regular cube derate is 7%
Ratings with JC0895 condenser, dice or half-dice cubes
50/10.0 70/21.1 90/32.2
-20/-28.9 to 70/21.1 750 685 630
80/26.7 740 675 620
90/32.2 730 665 610
100/37.8 685 620 565
110/43.3 620 555 510
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
-20/-28.9 to
50/10.0
220-250 30-22 180-200 65-90
70/21.1 225-250 32-22 190-200 70-90
80/26.7 240-260 33-22 190-205 70-90
90/32.2 255-265 34-22 195-205 70-90
100/37.8 275-295 38-24 200-210 70-90
110/43.3 280-320 40-26 200-225 75-100