Welbilt Koolaire KD0270A, Technician'S Handbook, Page: 124 / 136

124 Part Number STH047 Rev01 10/18
KF0150A SELF-CONTAINED AIR-COOLED
NOTE: These characteristics may vary depending on
operating conditions.
Cycle Times
Freeze Time + Harvest Time = Total Cycle Time
Air Temp.
Entering
Condenser
°F/°C
Freeze Time Harvest
Time
Water Temperature °F/°C
50/10 70/21 90/32
70/21
19.8-22.5 21.2-24.0 26.6-30.2
1.0-2.5
80/27
21.2-24.0 22.7-25.8 29.1-32.9
90/32
23.6-26.8 26.6-30.2 30.4-34.5
100/38
27.8-31.5 32.0-36.2 37.5-42.5
110/43
35.5-40.2 42.4-48.0 52.6-59.4
Times in minutes
24 Hour Ice Production
Air Temp.
Entering
Condenser
°F/°C
Water Temperature °F/°C
50/10 70/21 90/32
70/21 165 155 125
80/27 155 145 115
90/32 140 125 110
100/38 120 105 90
110/43 95 80 65
Based on average ice slab weight of 2.44 – 2.75 lb (1107 – 1247 g).
Regular cube derate is 7%
Operating Pressures
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
Suction pressure drops gradually throughout the freeze cycle