Important safety information
Operating manual HVB 21, HVB 31 a. HVB 32 - Version 01-2021Apage 10
Adhere to all applicable national safety regulations and stand-
ards.
Excess mechanical loads (e.g. falling, impacts, vibrations) may
damage the insulation used to provide protection from the
mains voltage.
High excess currents (lightning strikes, surges in the power
utility grid) may damage the insulation used to provide protec-
tion from the mains voltage.
If there is no information about the intended use (e.g. operating
site, ambient conditions), or the operating manual does not
include the corresponding information, you must consult the
manufacturer of this device to ensure that the device may be
installed. If you do not receive the required information from
the manufacturer, do not operate the device.
In rooms in which the climatic conditions vary (e.g. due to
sunlight), the device may only be operated if the permissible
ambient temperature can be maintained.
Disconnect devices with a damaged power cable from the
mains (unplug the power supply plug).
Always use the supplied power adapter (power supply unit)
and connect it to a power point with a voltage within the range
specified in the “Technical data” section. Failure to observe
this warning may result in personal injury or equipment/prop-
erty damage.
Do not install the device in locations with excessive dust formation,
as this may reduce its insulation from the mains voltage.
Electromagnetic compatibility (EMC)
In order to avoid malfunctions when operating radio and telecom-
munications equipment, as well as other operating units or broad-
casting services, the following must be observed:
Before installation, make certain that you have checked the
device for mechanical damage. Do not use damaged or bent
covers or housings.
During operation, the device must always be covered by the
components provided for this purpose. It is not permitted to
operate the device when the cover is open.
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