UK | 2 Safety instructions
38
!
WARNING
Risk from operating with ven-
tilation unit not fully installed
(open unit / without duct
connections).
Running fans can be touched.
Electric components are a po-
tential source of electric shock.
Danger of burning on units with
a PTC heat register.
Only operate ventilation unit
with all fitted duct connections
and when it is completely in-
stalled.
Note safety instructions in
installation instructions.
!
CAUTION
Risk when using accessory
components which have not
been approved.
The ventilation unit is tested
and approved with original
accessory components.
Retrofitting (bypass, PTC
heat register, heat exchanger
etc.) is only permitted with
original components.
Other modifications and
alterations to the unit are not
permitted and release the
manufacturer from any
guarantee and liability.
!
CAUTION
Risk to health if ventilation
unit is not correctly cleaned/
maintained.
Specialist knowledge is needed
for proper cleaning and mainte-
nance of the ventilation unit.
Have your ventilation unit
cleaned and maintained every
2 years by an authorised
specialist installer. This is the
only way of ensuring that the
ventilation unit is running
hygienically.
If you have a maintenance
contract, your specialist instal-
ler will ensure regular device
cleaning and maintenance.
You will find information
about maintenance in the com-
missioning and maintenance
instructions.