Ventilation vacon • 7
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2
2.2 Arranging ventilation of the enclosure
CAUTION! It is of utmost importance for the operation and lifetime of the frequency converter that
the closure is well ventilated to keep the temperature below the maximum operating temperature.
Repeated overheating will shorten the lifetime of the converter.
Table 1. Ventilation requirements table
Minimum air hole on switchgear/dm
2
Frame
Cooling air
required m
3
/h
1) Inlet 2) Outlet
FR9 1300 9.1 7
FR10 2000 9.5 5
FR11 3000 14 7.5
FI9 1150 5.5 3
FI10 1400 6.5 4
FI12 2800 13 7
FI13 4200 19.5 10.5