KEB COMBIVERT F6 Instructions For Use Manual page 68

cOOLANT HeATING
5.6 coolant heating
The following graphic shows examples of measurements with different flow rates.
ΔT [K]
5 l/min
5
4
3
2
1
0
0 1 2
Figure 28: Coolant heating depending on power loss and flow rate with water
5.7 Typical pressure drop
bar
1,6
1,2
0,8
0,4
0,0
Figure 29: Typical pressure drop depending on the flow rate
68
10 l/min 20 l/min
3 4 5 6 7
0 5
2,5
30 l/min
8 9 10 11 12
7,5 10 12,5
40 l/min
50 l/min
100 l/min
Pv [kW]
13 14 15
l/min
15