68  EasyLine EL3000 Series Commissioning Instructions 
 
Installing the Gas Analyzer 
ATTENTION 
The installation site must be stable enough to bear the weight (see 
page 17) of the gas analyzer! 
The 19-inch housing must be supported in the cabinet or the rack with 
mounting rails! 
Requisite material (not supplied) 
19-inch Case (Model EL3020) 
  4 oval head screws (Recommendation: M6; this depends on the 
cabinet/rack system) 
  1 pair of mounting rails (Design depends on the cabinet/rack system), 
length approx. 240 mm corresponding to approx. 2/3 of the case 
depth 
Wall-mounting Case (Model EL3040) 
  4 screws M8 or M10 
Installing the Gas Analyzer 
Install the gas analyzer in the cabinet/rack or on the wall. 
Refer to the dimensional drawings. 
Mount several 19-inch housings with a minimum spacing of 1 height unit 
between housings. 
Special Requirements for the Fidas24 Gas Analyzer  
If the gas analyzer is installed in a closed cabinet, adequate ventilation of 
the cabinet must be provided (at least 1 change of air per hour). 
Special Requirements for the Gas Analyzer Model EL3020 for the Measurement 
of Flammable Gases 
An unimpeded exchange of air with the surroundings must be possible 
around the gas analyzer from beneath (base plate) and from behind (gas 
connections). The gas analyzer must not be put directly on a table. The 
case apertures must not be closed. The distance to adjacent, built-in 
components on the side must be at least 3 cm. 
For installations in a closed cabinet, the cabinet must have adequate 
ventilation (at least 1 air change per hour). The distance to adjacent, built-
in components underneath (floor plate) and behind (gas connections) 
must be at least 3 cm. 
Special Requirements for the Gas Analyzer Model EL3040 in Degree of 
Protection II 3G 
Due to the low mechanical stability of the display window, the gas 
analyzer has to be installed and operated in such a way that mechanical 
damage to the display window is ruled out.