Siemens SINAMICS G130 Engineering Manual page 226

Fundamental Principles and System Description
Engineering Information
Basic design of a horizontal Chassis unit arrangement
The height h, i.e. the distance between the front of the Chassis unit and the air distribution panel A, must equal
between 25 mm and 60 mm.
With single units (Power Module, Basic Line Module, Active Line Module or Motor Module) or the combination Motor
Module / Basic Line Module or Motor Module / Active Line Module which are installed immediately adjacent to one
another, the air distribution panel A can be unperforated. The openings to the sides will ensure that the air is guided
effectively.
If more than two units are installed horizontally next to one another, the air distribution panel A must be perforated.
The panel must be perforated in such a way that up to around 60 % of the open area is situated in the lower half of
the unit, i.e. between X1 and X2 in the diagram above.
The motor connection must be covered when the unit is installed in the horizontal position. The cover must be
perforated; the perforated cover must have open areas of around 8 x 30 mm with a web spacing of about 3 to 5 mm.
The following table specifies the required volumetric flow rate dV/dt for different Chassis units installed in the
horizontal position and also states the recommended fans.
Unit / Frame size / Output / Voltage
Power Module / FL
Power Module / GL
Basic Line Module / FBL / 360 kW / 400 V
Basic Line Module / FBL / 355 kW / 690 V
Basic Line Module / FBL / 600 kW / 400 V
Basic Line Module / FBL / 630 kW / 690 V
Basic Line Module / GBL
Active Line Module / GXL
Motor Module / FXL
Motor Module / GXL
Active Line Module / HXL
Motor Module / HXL
Active Line Module / JXL
Motor Module JXL
Required volumetric flow rate plus number and type of required fans for horizontal mounting.
With hermetically-sealed converter cabinets which cannot exchange air with the ambient air around the converter
cabinet, the instructions regarding removal of heat losses from the cabinet are the same as those applicable to
Chassis units mounted in the vertical position.
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Ó Siemens AG
Required volumetric flow rate dV/dt
3
[ m / s ]
0.015
0.027
0.044
0.063
0.015
0.025
0.063
Number of fans
Papst 4114NXH or Papst 4114NHH
or Papst 4184NXH (120 x 120 mm)
1
1
2
2
1
1
2