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WSA units are supplied WITHOUT the
hydraulic parallel; therefore, the pres-
sure drop tables included herein refer
to evaporators and condensers.
11. 1
EVAPORATOR PRESSURE
DROPS IN COOLING OPERA-
TION
The pressure drops in the diagram
refer to the average water temperature
of 10 °C: the following table shows the
correction to be applied to the pres-
sure drops when the average water
temperature varies.
11.2
C O N D E N S E R P R E S S U R E
DROPS IN COOLING OPERA-
TION
The pressure drops in the diagram
refer to the average water temperature
of 30 °C: the following table shows the
correction to be applied to the pres-
sure drops when the average water
temperature varies.
PRESSURE DROPS
11
kPa
200
150
100
50
0
0
50
Average water temperature °C
Multiplicational coefficient
kPa
300
250
200
150
100
50
0
0
50
Average water temperature °C
Multiplicational coefficient
100
150
Water flow rate x 1000 l/h
5
10
15
20
1.02
1
0.985
0.97
100
150
200
Water flow rate x 1000 l/h
5
10
15
20
1.07
1.05
1.04
1.02
200
250
30
40
50
0.95
0.93
0.91
250
300
30
40
50
1
0.98
0.96
19
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