K0500A Self-Contained Air-Cooled - Koolaire STH045 8/15 Technician's Handbook

K0500A 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
110/43
Times in minutes
24 Hour Ice Production
Air Temp.
Entering
Condenser
°F/°C
70/21
80/27
90/32
100/38
110/43
Based on average ice slab weight of 4.125 - 4.75 lb
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
Part Number STH045 8/15
Freeze Time
Water Temperature °F/°C
50/10
11.9-13.6
13.6-15.5
14.9-17.0
16.6-19.0
18.9-21.5
Water Temperature °F/°C
50/10
495
440
405
365
325
Freeze Cycle
Discharge
Pressure Pressure
PSIG
260-325
270-340
275-380
340-400
380-500
440-520
70/21
14.1-16.1 15.7-17.9
15.1-17.2 16.6-19.0
15.5-17.7 17.7-20.2
18.3-20.9 20.2-23.1
19.5-22.3 20.6-23.5
70/21
425
400
390
335
315
Suction Discharge
Pressure
PSIG
60-36 140-175
65-37 150-185
65-37 165-200
75-38 190-220
80-42 280-320
80-44 290-330
Harvest
Time
90/32
1.0-2.5
90/32
385
365
345
305
300
Harvest Cycle
Suction
Pressure
PSIG PSIG
100-120
105-130
110-150
130-160
180-235
185-240
127