Manitowoc Marine Q 1000, Service Technician'S Handbook

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Q1000 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
10.5-11.3 11.3-12.2 12.1-13.0
1-2.5
80/26.7 10.7-11.5 11.5-12.3 12.3-13.2
90/32.2 10.8-11.6 11.6-12.5 12.5-13.4
100/37.8 11.5-12.3 12.5-13.4 13.4-14.3
110/43.3 12.3-13.2 13.4-14.3 14.4-15.5
Air Temp. Entering
Condenser
°F/°C
Water Temperature °F/°C
Based on average ice slab weight of 7.75 - 8.25 lb.
Regular cube derate is 7%
Ratings with JC1095 condenser, dice or half-dice cubes
50/10.0 70/21.1 90/32.2
-20/-28.9 to 70/21.1 930 870 820
80/26.7 915 860 810
90/32.2 906 850 800
100/37.8 860 800 750
110/43.3 810 750 700
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 40-22 180-200 65-90
70/21.1 225-250 40-22 190-200 70-90
80/26.7 240-260 42-22 190-205 70-90
90/32.2 255-265 44-22 195-205 70-90
100/37.8 275-295 44-24 200-210 70-90
110/43.3 280-320 46-26 200-225 75-100