Requirement for the air duct:
● Temperature ≤ 40 ℃
● For the relationship between duct dimensions and wind speed,
please refer to the following contents.
Duct Dimensions and Wind Speed
The dashed line in the picture is the recommended duct dimensions.
Fig. 1-15:
15K0 22K0 45K0 55K0 75K0
W 370 500 660 660 660
D 140 180 180 180 180
The closer the duct dimensions and heatsink dimensions, the better
the heat dissipation effect.
Definition of wind speed: When the duct is dredged, the uniform flow velocity 5
cm away from the heatsink. The following table is based on the recommended
wind duct dimensions to calculate the minimum wind speed of cooling demand.
If the actual duct dimensions are greater than the recommended value, wind
speed should be increased appropriately.
Power
Wind speed
15 kW 6.5 m/s
22 kW 15.0 m/s
45 kW 10.0 m/s
55 kW 15.0 m/s
75 kW 9.0 m/s
12/91
Mechanical Installation
Rexroth Frequency Converter VFC
3610 / VFC 5610
Bosch Rexroth AG R912005518_Edition 16
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