Vacon NX - Page 205

Brake chopper unit (NXB) vacon • 203
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
12
Liquid cooling
Allowed cooling agents
Drinking water (see specification on page 46)
Water-glycol mixture
See derating specifications, Chapter 5.3.
Volume See Table 19.
Temperature of cooling
agent
0…35 °C input (Ibr); 35…55 ºC: derating required,
see Chapter 5.3 .
Max. temperature rise during circulation 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 nominal
flow)
Varies according to size. See Table 17 .
Table 97. Technical specification for VACON
®
NXB Liquid-Cooled brake chopper unit