Manitowoc MD0420A, Technician'S Handbook

Page: 123 / 132

Part Number 040005626 5/17 123
M1000A SELF-CONTAINED AIR-COOLED
NOTE: These characteristics may vary depending on
operating conditions.
Cycle Times
Freeze Time + Harvest Time = Total Cycle Time
Times in minutes
24 Hour Ice Production
Based on average ice slab weight of 6.2-7.2lbs (2812-3266g).
Operating Pressures
Suction pressure drops gradually throughout the freeze cycle
Air Temp.
Entering
Condenser
°F/°C
Freeze Time
Harvest
Time
Water Temperature °F/°C
50/10 70/21 90/32
70/21 8.5-10.1 9.9-11.7 11.6-12.6
1.0-2.5
80/27 9.4-11.1 10.2-12.1 10.9-12.9
90/32 10.2-12.1 11.0-13.0 12.0-14.2
100/38 11.1-13.1 12.6-14.8 13.1-15.5
110/43 12.1-14.3 13.0-15.4 13.9-16.4
Air Temp.
Entering
Condenser
°F/°C
Water Temperature °F/°C
50/10 70/21 90/32
70/21 895 785 735
80/27 820 765 720
90/32 765 715 660
100/38 710 635 610
110/43 655 615 580
Air Temp.
Entering
Condenser
°F/°C
Freeze Cycle Harvest Cycle
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
50/10 280-375 60-28 140-200 100-140
70/21 300-390 65-28 145-200 105-140
80/27 320-400 70-32 150-205 105-150
90/32 350-415 75-33 160-210 110-150
100/38 450-520 80-37 170-240 115-155
110/43 440-540 85-39 200-250 125-160