Service manual

6-13
Section 6 Service
Q210 Cycle Times/24-Hour Ice Production Chart
SELF-CONTAINED AIR-COOLED
NOTE: These characteristics may vary depending
on operating conditions.
Cycle Times
Freeze Time + Harvest Time = Cycle Time
Air Temp. Freeze Time Harvest
Entering
Condenser
Water Temperature °
°°
°F/°
°°
°C
Time
°
°°
°F/°
°°
°C
50/10.0 70/21.1 90/32.2
70/21.1 14.8-16.9 17.5-19.9 19.8-22.5
80/26.7 16.1-18.3 19.2-21.8 21.9-24.9 1.0-2.5
90/32.2 17.5-19.9 21.2-24.0 24.5-27.8
100/37.8 19.2-21.8 23.6-26.8 27.8-31.5
1
Times in minutes
24 Hour Ice Production
Air Temp.
Entering
Water Temperature °
°°
°F/°
°°
°C
Condenser
°
°°
°F/°
°°
°C
50/10.0 70/21.1 90/32.2
70/21.1 215 185 165
80/26.7 200 170 150
90/32.2 185 155 135
100/37.8 170 140 120
1
Based on average ice slab weight of 2.44 lb. to 2.75 lb.
2
Regular cube derate is 7%
Operating Pressures
Air Temp. Freeze Cycle Harvest Cycle
Entering
Condenser
°
°°
°F/°
°°
°C
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
50/10.0 220-270 60-36 180-205 90-110
70/21.1 220-270 60-36 185-210 95-115
80/26.7 235-280 66-36 190-215 100-120
90/32.2 265-310 70-38 200-225 105-125
100/37.8 310-360 76-40 220-245 110-130
110/43.3 320-380 80-42 230-255 115-135
1
Suction pressure drops gradually throughout the freeze cycle
SELF-CONTAINED WATER-COOLED
NOTE: These characteristics may vary depending
on operating conditions.
Cycle Times
Freeze Time + Harvest Time = Cycle Time
Air Temp. Freeze Time Harvest
Around Ice
Machine
Water Temperature °
°°
°F/°
°°
°C
Time
°
°°
°F/°
°°
°C
50/10.0 70/21.1 90/32.2
70/21.1 14.5-16.5 15.6-17.8 19.2-21.8
80/26.7 14.8-16.9 16.1-18.3 19.8-22.5 1-2.5
90/32.2 15.6-17.8 17.0-19.3 21.2-24.0
100/37.8 16.1-18.3 17.5-19.9 21.9-24.9
1
Times in minutes
24 Hour Ice Production
Air Temp.
Around Ice
Water Temperature °
°°
°F/°
°°
°C
Machine
°
°°
°F/°
°°
°C
50/10.0 70/21.1 90/32.2
70/21.1 220 205 170
80/26.7 215 200 165
90/32.2 205 190 155
100/37.8 200 185 150
1
Based on average ice slab weight of 2.44 lb to 2.75 lb.
2
Regular cube derate is 7%
Condenser 90/32.2 Air Temperature Around Ice Machine
Water
Water Temperature °
°°
°F/°
°°
°C
Consumption 50/10.0 70/21.1 90/32.2
Gal/24 hours 160 270 1500
1
Water regulating valve set to maintain 230 PSIG discharge
pressure
Operating Pressures
Air Temp. Freeze Cycle Harvest Cycle
Around Ice
Machine
°
°°
°F/°
°°
°C
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
50/10.0 225-235 60-35 160-180 70-95
70/21.1 225-235 60-36 160-180 70-95
80/26.7 225-235 60-36 165-185 80-100
90/32.2 225-240 60-37 170-190 90-115
100/37.8 225-240 60-38 175-195 100-120
110/43.3 225-245 60-38 180-200 100-120
1
Suction pressure drops gradually throughout the freeze cycle