19
the coefficients for the correction
of the cooling capacity and input
power, for the flow rates and the
pressure drops (remember that
these coefficients must anyway be
multiplied by the nominal value of
the sizes examined); the lower axis
advises the percentage of glycol
necessary on the basis of the outside
air temperature considered.
- If you want to calculate the
percentage of glycol on the
basis of the temperature of the
processed water, you must enter
from the right-hand axis and, once
you have intersected the curve,
trace a vertical line which, in turn,
will intercept all the other curves;
the points obtained from the upper
curves represent the coefficients
for the cooling capacity and input
power, for the flow rates and the
pressure drops (remember that
these coefficients must anyway be
multiplied by the nominal value of
the sizes examined); the lower axis
advises the percentage of glycol
necessary to produce water at the
required temperature.
Remember that the initial sizes
“OUTSIDE AIR TEMPERATURE”
and “PROCESSED WATER
TEMPERATURE”, are not directly
linked to each other, so it is not
possible to enter the curve of
one of these sizes, and obtain the
corresponding point on the other
curve.
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Processed water temperature
Outside air temperature
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