Service manual

6-12
Service Section 6
Q130 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 10.2-11.7 12.4-14.1 14.6-16.5
80/26.7 11.2-12.8 13.0-14.8 15.5-17.5 1.0-2.5
90/32.2 13.0-14.8 15.5-17.5 17.6-19.9
100/37.8 14.6-16.5 17.6-19.9 20.3-23.0
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
70/21.1 130 110 95
80/26.7 120 105 90
90/32.2 105 90 80
100/37.8 95 80 70
1
Based on average ice slab weight of 1.06 lb. to 1.19 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
50/10.0 220-255 54-20 150-180 80-110
70/21.1 220-270 54-20 160-190 90-115
80/26.7 220-300 56-22 180-200 100-120
90/32.2 250-340 58-24 190-210 110-130
100/37.8 280-380 60-26 220-240 120-140
110/43.3 290-400 62-28 230-260 120-160
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 8.9-10.2 10.5-12.0 12.6-14.4
80/26.7 9.1-10.4 10.6-12.1 12.9-14.7 1-2.5
90/32.2 9.4-10.7 10.9-12.4 13.3-15.1
100/37.8 10.0-11.40 11.4-13.0 13.6-15.5
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
70/21.1 147 127 108
80/26.7 144 126 106
90/32.2 140 123 103
100/37.8 133 118 101
1
Based on average ice slab weight of 1.06 lb. to 1.19 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 130 230 1480
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 54-20 160-180 80-110
70/21.1 225-235 54-21 160-190 80-115
80/26.7 225-240 55-22 165-200 90-120
90/32.2 225-245 56-22 165-200 95-125
100/37.8 225-245 57-22 170-200 100-130
110/43.3 225-245 58-23 180-210 105-140
1
Suction pressure drops gradually throughout the freeze
cycle