122 Part Number STH063 9/17
Cycle Times
Freeze Time + Harvest Time = Total Cycle Time
Air Temp.
Around Ice
Machine
Freeze Time Harvest
Time
9.7-11.4 12.0-14.0 13.0-15.2
1.0-2.5
12.0-13.8 13.7-15.7 15.5-17.9
12.4-14.3 12.6-14.8 16.4-18.7
12.7-14.6 14.5-16.5 16.6-19.0
13.1-15.0 14.7-16.8 16.9-19.3
Times in minutes
24 Hour Ice Production
Air Temp.
Around Ice
530 440 410
490 435 385
475 420 370
465 415 365
455 410 360
Based on average ice slab weight of 4.125 – 4.75 lb (1.87 – 2.15 kg)
Water regulating valve set to maintain 330 PSI discharge pressure
Condenser Water usage per 100 lbs ice = 160 gal (45 kg = 606 L)
230/50/1 production is approximately 12% lower than 230/60/1.
Operating Pressures
Air Temp.
Around Ice
Machine
Freeze Cycle Harvest Cycle
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
325-335 70-38 145-175 105-130
325-335 70-39 150-180 110-135
325-335 75-39 150-185 110-135
325-340 80-39 150-190 110-135
325-340 80-39 150-190 110-135
325-345 80-39 150-190 110-135
Suction pressure drops gradually throughout the freeze cycle