Siemens NXAIR Installation Instructions Manual page 102

Assembling the panels
Versions
The standard version contains a fan in the fan box. As an optional version it is also possible to install two fans,
each of them in a fan box of its own.
The forced ventilation with fan can only be used for panels with the following feeder currents:
•
Fan
Fan manufacturer: ebm-papst
Type R3G250-RO06-71
Power input 385 W
Operating hours 40,000 h
Operating instructions Item no. 51193-5-9970 · Revision 82624
Contact www.ebmpapst.com / phone: +49793881-0
Installation
The fan with fan box is to be installed on the pressure relief duct in the front area:
(1) Low-voltage compartment
Fig. 130: Installation area for fan box
Preparations for fan installation
To install the fan, dismantling work must be executed at the pressure relief duct and at the fan box.
102
4000 A (panel width 1000 mm)
(2) Fan in the fan box
INFORMATION
In the optional version of the forced ventilation with 2 fans, each of them in a fan
box of its own, preparation and installation are done in parallel at the front in the
pressure relief duct.
NXAIR /
(3) Pressure relief duct
≤
40 kA 110-0084.9 / 15