172 NXAIR / ≤ 40 kA 110-0084.9 / 15
Closing the connection compartment / connection duct
11 Closing the connection compartment / connection duct
Read and understand these instructions before attempting installation works.
Electric shock
Always verify safe isolation from supply without any doubt.
In the instructions given in the following sections it is assumed that new switchgear
is being installed, which has not yet been energized with operational high voltage.
If the switchgear is already in operation, operational high voltage could be
applied at the connections in the connection compartment / connection duct.
To perform tests or work in the connection compartment / connection duct
of a switchgear that is already in operation, follow the directives of the
Operating Instructions with order number 110-0134.9.
Foreign objects
Possible malfunctioning and damage to the panels caused by foreign objects.
Before closing the connection compartment, remove all foreign objects from
the connection compartment / connection duct, e.g.:
• Tools
• Unused installation material
• Packing material
• Cleaning material
Cleaning
Possible malfunctioning and damage to the panels caused by pollution.
Before closing the connection compartment / connection duct:
Clean polluted areas in the connection compartment / connection duct. To
do this, use a vacuum cleaner and a lint-free cloth. If necessary, moisten
the cloth, use a mild household cleaner, and dry properly at the end.
Some parts and surfaces of the switchgear are greased for functioning. Do
not remove the grease there; do not clean the parts and surfaces.
If greased areas are dirty, clean the dirty area and grease again according
to the maintenance instructions.
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