K170 Self-Contained Air-Cooled - Koolaire KY0275W Technician's Handbook

K170 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
70/21
80/27
90/32
100/38
Times in minutes
24 Hour Ice Production
Air Temp.
Entering
Condenser
°F/°C
70/21
80/27
90/32
100/38
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
50/10
70/21
80/27
90/32
100/38
110/43
Suction pressure drops gradually throughout the freeze cycle
124
Freeze Time
Water Temperature °F/°C
50/10
17.6-20-1
NA
20.9-23.9
NA
Water Temperature °F/°C
50/10
175
NA
150
NA
Freeze Cycle
Discharge
Pressure Pressure
PSIG
220-280
220-280
240-290
280-330
310-380
315-390
70/21
NA 24.5-28.0
20.9-23.9
24.5-28.0 28.1-31.9
NA 33.7-38.3
70/21
NA
150
130
NA
Suction Discharge
Pressure
PSIG
60-38 150-170
60-38 150-170
70-38 160-190
75-38 180-210
85-41 200-230
90-41 200-240
Part Number STH047 5/16
Harvest
Time
90/32
NA
1.0-2.5
90/32
130
NA
115
97
Harvest Cycle
Suction
Pressure
PSIG PSIG
90-110
95-115
100-120
160-140
120-160
140-170