Airflow Duplexvent Flexi DV650 Instructions For Installation, Use And Maintenance Manual page 2

Dear customer,
Thank you for choosing our product and we hope that you will be fully satisfied.
This manual contains all necessary instructions, information, hints and recommendations for safe and
correct equipment installation and commissioning. Please read the manual carefully and follow the
instructions contained herein.
Symbols explained
Items or sections marked with  (or with a grey background) apply only to appliances manufactured in
compliance with the hygienic requirements of Regulation VDI 6022 (indicated on the identification
plate, see following chapters).
Important notices

Electrical connections, commissioning and adjustment of the appliance may only be
carried out by qualified electrical engineers.

Before the installation and commissioning of the appliance carefully read the installation,
use and maintenance manual, the controller operation manual and, where applicable, the
service documentation.

The appliance and all its accessories must be installed and used in compliance with the
design, technical conditions specified by the manufacturer and applicable legislation and
technical standards in effect.

The appliance may not be installed and operated in an aggressive environment that could
damage its external and internal mechanical parts.

Before putting the appliance into permanent operation an initial inspection report on the
appliance´s power supply must be provided.
Before putting the appliance into operation an approval test (see VDI 2079 and DIN EN

V 12599) of the entire HVAC system of which the appliance forms part must be conducted.
The test must include the examination of hygienic requirements as per VDI 6022 and must
be documented. The user must be able to present the approval test report at any time. If the
above requirements are not met, the manufacturer cannot ensure compliance with hygienic
requirements.
The manufacturer is not liable for damage caused by unprofessional installation and
operation that is not in compliance with the operation and maintenance manual and
general practices applied during installation and operation of HVAC equipment.
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