Siemens NXAIR - Accessing the Connection Compartment through the Switching-Device Compartment at Panel Versions with Ventilation System Type I

Accessing the connection compartment through the front
110-0134.9 / 14 NXAIR / ≤ 40 kA 313
23.4 Accessing the connection compartment through the switching-device compartment at panel
versions with ventilation system type I
WARNING
Reduced safety
The closed connection compartment is an important safety element of the
switchgear. The connection compartment is exclusively opened for performing
operational activities inside the connection compartment.
Always install the partition between the connection compartment and the
switching-device compartment:
If an activity inside the connection compartment is interrupted.
Immediately after an activity inside the connection compartment was
completed.
CAUTION
Sharp edges
The metal parts of the ventilation duct and the vertical partition may have sharp
edges.
Put on personal protective equipment.
CAUTION
High weight
The ventilation duct is heavy.
Remove the ventilation duct absolutely with 2 persons.
Put on personal protective equipment.
Preconditions
• Preparations as described in chapter 23.1 completed
Fig. 574: Panel prepared