Siemens NXAIR - Page 416

Panel heater
416 NXAIR / ≤ 40 kA 110-0134.9 / 14
Factory default settings
The temperature and humidity controllers are preset at the factory.
Temperature [°C]
Humidity
[% r h]
Mechanical temperature controller
approx. +30
─
Electronic temperature and humidity controller
approx. +30
approx. 70
Adjustment during operation
At the place of operation of the switchgear, the integrated temperature and humidity controllers must be
adjusted to the local temperature and/or humidity conditions in the application area of the switchgear panels
by the respective operator.
Installation in the panel
The temperature and humidity controllers are installed top-left inside the switching-device compartment,
directly at the side of the vertical wiring duct.
Fig. 742: Installation of the electronic temperature and humidity controller
in the switching-device compartment