Using Cooling Units In The Control Cabinet - REXROTH EcoDrive Cs Project Planning Manual

Rexroth EcoDrive Cs Drives
7.2

Using Cooling Units in the Control Cabinet

Avoiding Dripping or Spraying
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Unless the rated data are reduced the drive controller may only be
operated up to a specified maximum ambient temperature (see
chapter 4.3). It is therefore possible that a cooling unit will be required.
Possible damage to the controller
Operational safety of the machine endangered
⇒
CAUTION
Due to their operating principle condensation water is formed when
Water
cooling units are used. For this reason, please observe the following
information:
•
Always position cooling units in such a way that condensation water
cannot drip onto electronic equipment 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 electronic
equipment.
correct
Cooling system
warm
electronic
equipment
Cabinet
Fig. 7-3: Arranging the cooling unit on the control cabinet
Designing the Control Cabinet
Note the following instructions
cold
Air duct
7-3
incorrect
Cooling system
warm cold
electronic
equipment
Cabinet
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