Manitowoc QD0692N User Manual

Section 7 Refrigeration System
Part No. 80-1100-3 7-35
Q320 SERIES
Self-Contained Air-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
Q320 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
Air Temp.
Entering
Condenser
°F/°C
Freeze Time
Harvest
Time
Water Temperature °F/°C
50/10.0 70/21.1 90/32.2
70/21.1 12.2-13.9 13.1-14.9 14.2-16.2
1-2.5
80/26.7 13.6-15.5 14.8-16.8- 16.1-18.4
90/32.2 16.1-18.4 17.7-20.2 19.7-22.3
100/37.8 19.7-22.3 22.0-25.0 25.0-28.3
Times in minutes
Air Temp.
Entering
Condenser
°F/°C
Water Temperature °F/°C
50/10.0 70/21.1 90/32.2
70/21.1 310 290 270
80/26.7 280 260 240
90/32.2 240 220 200
100/37.8 200 180 160
Based on average ice slab weight of 2.94 - 3.31lb
Regular cube derate is 7%
Air Temp.
Entering
Condenser
°F/°C
Freeze Cycle Harvest Cycle
Discharg
e
Pressure
PSIG
Suction
Pressure
PSIG
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
50/10.0 200-250 50-36 150-180 75-90
70/21.1 200-250 50-36 160-190 80-100
80/26.7 220-280 50-36 170-200 90-110
90/32.2 230-320 54-38 180-220 90-120
100/37.8 270-360 56-40 200-250 95-140
110/43.3 280-380 58-42 210-260 95-150
Suction pressure drops gradually throughout the freeze cycle
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 12.6-14.4 13.6-15.5 15.4-17.6
1-2.5
80/26.7 13.1-14.9 14.2-16.2 16.1-18.4
90/32.2 13.6-15.5 14.8-16.8 16.9-19.2
100/37.8 14.2-16.2 15.4-17.6 17.7-20.2
Times in minutes
Air Temp.
Around Ice
Machine
°F/°C
Water Temperature °F/°C
50/10.0 70/21.1 90/32.2
70/21.1 300 280 250
80/26.7 290 270 240
90/32.2 280 260 230
100/37.8 270 250 220
Based on average ice slab weight of 2.94 - 3.31 lb
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 270 560 3200
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
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
50/10.0 225-235 50-36 160-180 80-110
70/21.1 225-235 50-36 170-190 85-115
80/26.7 225-240 50-36 170-200 85-115
90/32.2 225-250 50-36 170-210 90-120
100/37.8 225-260 52-36 170-210 90-120
110/43.3 225-265 54-36 175-215 95-125
Suction pressure drops gradually throughout the freeze cycle

Manitowoc QD0692N Specifications

General

Brand	Manitowoc
Model	QD0692N
Category	Ice Maker
Language	English