Mounting and installation
8
DANGER Danger to life through 
electric shock!
Contacts that are 
open are live.
 f Unplug the power 
plug before opening 
the housing.
 f Have all the work carried 
out by authorised 
specialist personnel.
 f Observe the valid VDE 
regulations during 
the installation.
WARNING Damage to the underoor 
heating controller
Short-circuiting through 
humidity and moisture.
 f Install the device at a 
site that is protected 
against humidity 
and moisture.
CAUTION Damage to exposed 
components!
Destruction of the electronic 
components through 
electrostatic discharges.
 f Do not touch the 
components.
CAUTION Insufficient data transfer
Interference of the radio 
receiver in the device 
through metallic objects 
and further radio devices.
 f When mounting the 
device ensure that 
the distance to radio 
devices such as radio 
headphones, cordless 
phones etc. according 
to the DECT standard 
amounts to at least 1m.
 f Ensure that there is 
sufficient distance to 
metallic objects.
 f In case of interference of 
the radio receiver in the 
device through metallic 
objects and further radio 
devices which cannot 
be eliminated, select 
another installation site.
Safety instructions