K0420W Self-Contained Water-Cooled - Koolaire STH045 8/15 Technician's Handbook

K0420W SELF-CONTAINED WATER-COOLED

NOTE: These characteristics may vary depending on
operating conditions.
Cycle Times
Freeze Time + Harvest Time = Cycle Time
Air Temp.
Around Ice
Machine °F/°C
70/21
80/27
90/32
100/38
110/43
Times in minutes
24 Hour Ice Production
Air Temp. Around
Ice
Machine °F/°C
70/21
80/27
90/32
100/38
110/43
Based on average ice slab weight of 3.40 - 3.90 lb (1542 - 1769g).
Water regulating valve set to maintain 330 PSIG discharge pressure
Condenser Water usage per 100 lbs ice = 170 gal (45 kg = 644 L)
Operating Pressures
Air Temp.
Around Ice
Machine
°F/°C
50/10
70/21
80/27
90/32
100/38
110/43
Suction pressure drops gradually throughout the freeze cycle.
126
Freeze Time
Water Temperature °F/°C
50/10
11.7-13.7 11.2-15.2
13.1-14.0 14.6-15.5
13.3-14.2 11.7-15.8
13.1-14.9 15.1-17.5
14.0-15.0 15.4-16.4
50/10
370
335
330
320
315
Freeze Cycle
Discharge
Pressure Pressure
PSIG
325-335
325-335
325-335
325-335
325-345
325-350
70/21
12.7-13.5
12.9-17.7
13.1-18.1
17.3-18.4
17.7-18.8
Water Temperature °F/°C
70/21
310
305
300
295
290
Suction Discharge
Pressure
PSIG
70-31 155-230
70-31 155-235
70-31 160-240
75-31 160-245
80-31 160-245
80-31 160-245
Part Number STH045 8/15
Harvest
Time
90/32
1.0-2.5
90/32
275
270
265
260
255
Harvest Cycle
Suction
Pressure
PSIG PSIG
110-165
110-170
110-170
110-175
115-180
115-180