Manitowoc QR0320A User Manual

Refrigeration System Section 7
7-42 Part No. 80-1100-3
Q1000 SERIES
Self-Contained Water-Cooled
NOTE: These characteristics may vary depending on
operating conditions.
Cycle Times
Freeze Time + Harvest Time = Total Cycle Time
24 Hour Ice Production
Operating Pressures
Q1000 SERIES
Remote
NOTE: These characteristics may vary depending on
operating conditions.
Cycle Times
Freeze Time + Harvest Time = Total Cycle Time
24 Hour Ice Production
Operating Pressures
Air Temp.
Around Ice
Machine
°F/°C
Freeze Time
Harvest
Time
Water Temperature °F/°C
50/10.0 70/21.1 90/32.2
70/21.1 10.0-10.7 10.6-11.4 12.1-13.0
1-2.5
80/26.7 10.1-10.9 10.8-11.6 12.3-13.2
90/32.2 10.2-11.0 10.9-11.7 12.5-14.3
100/37.8 10.4-11.1 11.0-11.8 12.6-14.4
Times in minutes
Air Temp.
Around Ice
Machine
°F/°C
Water Temperature °F/°C
50/10.0 70/21.1 90/32.2
70/21.1 970 920 820
80/26.7 960 910 810
90/32.2 950 900 800
100/37.8 940 890 790
Based on average ice slab weight of 7.75- 8.25lb
Regular cube derate is 7%
Condenser
Water
Consumption
90/32.2 Air Temperature
Around Ice Machine
Water Temperature °F/°C
50/10.0 70/21.1 90/32.2
Gal/24 hours 750 1500 6200
Water regulating valve set to maintain 230 PSIG discharge pressure
Air Temp.
Around Ice
Machine
°F/°C
Freeze Cycle Harvest Cycle
Discharg
e
Pressure
PSIG
Suction
Pressure
PSIG
Discharg
e
Pressure
PSIG
Suction
Pressure
PSIG
50/10.0 225-235 36-18 160-185 65-85
70/21.1 225-235 38-18 165-185 70-85
80/26.7 225-235 40-18 165-185 70-85
90/32.2 225-235 40-20 165-185 70-85
100/37.8 225-235 40-20 165-185 70-85
110/43.3 225-240 42-20 170-190 75-90
Suction pressure drops gradually throughout the freeze cycle
Air Temp.
Entering
Condenser
°F/°C
Freeze Time
Harvest
Time
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
Times in minutes
Air Temp.
Entering
Condenser
°F/°C
Water Temperature °F/°C
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
Based on average ice slab weight of 7.75- 8.25lb
Regular cube derate is 7%
Ratings with JC1095 condenser, dice or half dice cubes
Air Temp.
Entering
Condenser
°F/°C
Freeze Cycle Harvest Cycle
Discharg
e
Pressure
PSIG
Suction
Pressure
PSIG
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
-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
Suction pressure drops gradually throughout the freeze cycle

Manitowoc QR0320A Specifications

General

Brand	Manitowoc
Model	QR0320A
Category	Ice Maker
Language	English