134 Part Number STH025 11/16
Ice Production Check
The amount of ice a machine produces directly relates
to the operating water and air temperatures. This means
a condensing unit with a 70°F (21°C) outdoor ambient
temperature and 50°F (10°C) water produces more ice
than the same model condensing unit with a 90°F (32°C)
outdoor ambient temperature and 70°F (21°C) water.
1. Determine the ice machine operating conditions:
Air temp entering condenser:____°
Air temp around ice machine:____°
Water temp entering sump trough:____°
2. Refer to the appropriate 24-Hour Ice Production
Chart (starting on page 223). Use the operating
conditions determined in step 1 to find published
24-Hour Ice Production:_____
• Times are in minutes.
Example: 1 min. 15 sec. converts to 1.25 min.
(15 seconds ÷ 60 seconds = .25 minutes)
• Weights are in pounds.
Example: 2 lb. 6 oz. converts to 2.375 lb.
(6 oz. ÷ 16 oz. = .375 lb.)
3. Perform an ice production check using the formula
below.
1. + =
Freeze
Time
Harvest
Time
Total Cycle
Time
2. 1440 ÷ =
Minutes
in 24 Hrs.
Total Cycle
Time
Cycles per
Day
3. x =
Weight
of One
Harvest
Cycles per
Day
Actual
24-Hour
Production
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