Part Number 040005626 5/17 117
Charts
Cycle Times, 24 Hr. Ice Production and
Refrigerant Pressure Charts
These charts are used as guidelines to verify correct
ice machine operation.
Accurate collection of data is essential to obtain the
correct diagnosis.
• Production and cycle times are for dice cube - Half
dice cube cycle times can be 1-2 minutes faster
depending on model and ambient temperature.
• Ice production checks that are within 10% of the
chart are considered normal. This is due to
variances in water and air temperature. Actual
temperatures will seldom match the chart exactly.
• Refer to “Operational Analysis Chart” for the list of
data that must be collected for refrigeration
diagnostics.
• Zero out manifold gauge set before obtaining
pressure readings to avoid mis-diagnosis.
• Discharge and suction pressure are highest at the
beginning of the cycle. Suction pressure will drop
throughout the cycle. Verify the pressures are
within the range indicated.
• Record beginning of freeze cycle suction pressure
one minute after the water pump energizes.
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