Vacon NX - Page 161

Active front end (NXA) vacon • 159
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10
Liquid cooling
Allowed cooling
agents
Drinking water (see specification on page 49)
Water-glycol mixture
See derating specifications, Chapter 5.3.
Volume See Table 19.
Temperature of
cooling agent
0…35 °C input (I
th
); 35…55 ºC: derating required,
see Chapter 5.3.
Max. temperature rise during circulation max. 5 °C
No condensation allowed. See Chapter 5.2.1.
Cooling agent flow
rates
See Table 15.
System max. working
pressure
6 bar
System max. peak
pressure
30 bar
Pressure loss (at nom.
flow)
Varies according to size. See Table 17.
Table 61. Technical data