1 Discharge of heated air to cooling unit
2 Interior of control cabinet
3 Conveying direction of heated air in area where air flows off
4 Device in control cabinet
5 Air intake at device
6 Air guide in control cabinet (for liquid cooling, this is also the drip pro‐
tection for the devices beneath)
7 Blower in control cabinet
8 Supply of cooled air from cooling unit
Fig.5-19: Example of Arrangement for Double-Line Design
Arrangement of Cooling Units
Unless the nominal data are reduced, the drive controller may only be operated
up to a specified maximum ambient temperature. A cooling unit might therefore
be required.
CAUTION
Possible damage to the drive controller! Operational safety of the ma‐
chine endangered!
Observe the instructions below.
Avoiding Dripping or Spraying Wa‐
ter
Due to their operating principle, condensation water is formed when cooling
units are used.
For this reason, observe the following aspects:
● Always position cooling units in such a way that condensation water can‐
not drip onto the devices in the control cabinet.
● Position the cooling unit in such a way that the blower of the cooling unit
does not spray accumulated condensation water onto the devices in the
control cabinet. Mount the air duct in the control cabinet accordingly.
36/65 Bosch Rexroth AG | Electric Drives
and Controls
Rexroth IndraDrive | Instruction Manual
Instructions for Use
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