ABB i-bus KNX AM/S 12.1 Mode D'emploi page 17

Important notes
Safety instructions
- Protect the unit against moisture, dirt and
damage during transport, storage and
operation.
- Do not operate the unit outside the speci-
fied technical data
- Operate only in a closed housing
(distribution cabinet)
- Earth the unit at the terminals provided – if
existing – for this purpose
- Do not obstruct cooling of the units.