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EN
Installation situation
▪ The unit must be placed in a clean and dry place,
protected from splashing water and drops of water.
▪ This unit is intended for indoor use in buildings.
▪ Ensure that the grille is not covered or blocked: The
unit may otherwise be damaged and cause hazards.
Cleaning
Clean the filter regularly: Cleaning must be carried out
at least every two months. When used in very dusty
environments, cleaning must be carried out more
frequently. Information on maintenance and cleaning
procedures can be found further towards the end of
these instructions.
If the filter is dirty, the air comes out hotter than
normal, which can damage the appliance and reduce
the formation of condensation.
Personal protective equipment
Use the following personal protective equipment when
operating and carrying out maintenance on the
machine:
Persons carrying out maintenance work or working
with the unit should wear antistatic safety shoes with
non-slip soles.
Gloves: The use of suitable gloves is required for
cleaning and maintenance work.
Safety glasses must be worn as eye protection during
cleaning and maintenance work.
Safety sign
Every effort has been made in the design and
manufacture of the machine to eliminate risks.
The system is marked with the following safety signs,
which must be observed:
General danger
Danger of electric shock
General information
These instructions and the documents supplied are
intended to enable the installer to correctly install and
commission the machine without endangering
persons or causing damage to the device.
They also enable the subsequent user to clean the
filter safely and correctly.
We recommend that the following be observed for all
activities related to the operation and maintenance of
the machine:
▪ Activities to be carried out only by suitably qualified
persons who must apply safe working practices and
use the appropriate personal protective equipment
for the task in hand.
▪ Activities to be carried out only by appropriately
instructed and trained persons who have read and
understood these instructions, the technical
information and the safety instructions.
▪ Access to the machine must be denied to persons
who are not appropriately trained or competent.
CE conformity
The machine described in these instructions, in
combination with the products metal case DHU and
the grille DHU G-W and when installed in strict
accordance with these instructions, meets the
fundamental requirements of the following European
directives:
▪ Electrical safety for low-voltage applications
2014/35/EU,
▪ Electromagnetic compatibility 2014/30/EU,
▪ Pressure equipment 2014/68/EU,
▪ RoHS directive 2011/65/EU.
The following harmonised standards were applied
▪ DIN EN 60335-2-40: 2014-01
▪ DIN EN 60335-1: 2020-08
▪ DIN EN 55014-1/A11: 2021-03
▪ DIN EN 55014-2: 2017-03
▪ DIN EN 378-2: 2018-04
▪ DIN EN IEC 63000: 2019-05
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