Manitowoc QM20 User Manual

212 Part Number 80-01111-9 7/10
Q170 SELF-CONTAINED AIR-COOLED
NOTE: These characteristics may vary depending on
operating conditions.
NOTE: Data is preliminary.
Cycle Times
Freeze Time + Harvest Time = Total Cycle Time
Times in minutes
24 Hour Ice Production
Based on average ice slab weight of 2.44 - 2.75 lb (1107 – 1247 g).
Regular cube derate is 7%
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 17.6-20-1 NA 24.5-28.0
1.0-2.5
80/27 NA 20.9-23.9 NA
90/32 20.9-23.9 24.5-28.0 28.1-31.9
100/38 NA NA 33.7-38.3
Air Temp. Entering
Condenser °F/°C
Water Temperature °F/°C
50/10 70/21 90/32
70/21 175 NA 130
80/27 NA 150 NA
90/32 150 130 115
100/38 NA NA 97
Air Temp.
Entering
Condenser
°F/°C
Freeze Cycle Harvest Cycle
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
50/10 220-280 60-38 150-170 90-110
70/21 220-280 60-38 150-170 95-115
80/27 240-290 70-38 160-190 100-120
90/32 280-330 75-38 180-210 160-140
100/38 310-380 85-41 200-230 120-160
110/43 315-390 90-41 200-240 140-170

Manitowoc QM20 Specifications

General

Brand	Manitowoc
Model	QM20
Category	Ice Maker
Language	English