Volumetric Air Flow And Fans Required - Siemens Sinamics S120 Manual
Liquid-cooled chassis power units
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Also See for Sinamics S120:
- Function manual (1094 pages) ,
- Diagnostic manual (947 pages) ,
- Manual (848 pages)
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8.3.6
Volumetric air flow and fans required
Note
Notes for installation in control cabinets
The SINAMICS S120 liquid-cooled devices have IP20 degree of protection with the
exception of the electrical connections (overall degree of protection IP00).
Depending on the degree of protection of the cabinet, it must be guaranteed that the thermal
losses in the cabinet are extracted from the cabinet using a fan or an air/water heat
exchanger.
the respective thermal losses can be found in the technical data of each individual device.
We recommend that a heat run is performed in order to be able to maintain the temperature
ranges specified in the technical data also when installed in a cabinet.
Horizontal installation
The following table lists the fans required for different module types and also specifies the
volumetric flow which must be provided through the SINAMICS device. These are minimum
values, without taking into account additional components in the cabinet (e.g. fuses, busbars,
etc.). The additional power losses must be taken into account.
If the specified fan is not available, an alternative fan can be used provided that its
characteristic is higher than that of the fan recommended (fan with higher air flow rate). Data
sheets for the recommended fan with characteristic (minimum requirement) are available on
request from EBM-Papst.
Table 8- 5
Volumetric flow requirement and number of fans needed for horizontal mounting
Power Module, frame sizes FL, GL
Basic Line Module FBL, 740 A (400 V), 420 A (690 V)
Basic Line Module FBL, 1220 A (400 V), 730 A (690 V)
Basic Line Module GBL
Active Line Module GXL, Motor Module FXL, GXL
Active Line Module HXL, Motor Module HXL
Active Line Module JXL, Motor Module JXL
Available from info2@de.ebmpapst.com
*)
Liquid-cooled chassis power units
Manual, (GH7), 11/2016, 6SL3097-4AM00-0BP7
Type
8.3 Cabinet installation, vertical and horizontal installation
Required volumetric
air flow
Papst 4114NXH or Papst 4114NHH or
[m³/s]
0.015
0.027
0.044
0.063
0.015
0.025
0.063
Cabinet design and EMC
Number of fans
Papst 4184NXH (120 x 120 mm)
1
1
2
2
1
1
2
*)
305
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