Siemens SINAMICS S120 Device Manual page 255

Removing/installing filter mats in the cabinet doors (IP23 (NEMA1 filtered)/IP43/IP54 (NEMA12
ventilated))
Figure 6-2
1. Insert the screwdriver into the cut-out sections provided (1) and gently push the grill cover
(2) down and forwards, then remove it.
2. Remove the filter mat (3).
3. Clean the ventilation grill (5).
4. Insert the new filter mat.
5. Replace the grill cover and gently snap it back into position in the cut-out sections.
6. Repeat the procedure for all filter mats that need to be replaced.
Note
Correct replacement of filter mats
Make sure that no dirt falls into the cabinet.
The filter mat with degree of protection IP54 must be placed in the correct position (arrow
points towards the cabinet).
The filter mat must be placed on the upper guide edge (4).
The specified degree of protection IP23 (NEMA1 filtered)/IP43/IP54 (NEMA12 ventilated) is
not achieved if not observed.
When disposing of old filter mats, observe the applicable legal requirements.
Cabinet Modules NEMA
Manual, 04/2014, A5E03586450A
Removing/installing filter mats (IP23 (NEMA1 filtered)/IP43/IP54 (NEMA12 ventilated))
Maintenance and servicing
6.4 Replacing components
255