33. . Safety instructionsSafety instructions
Always follow the safety instructions that are included in this User Manual. Failure to observe them may result in personal injury
or damage of the heat recovery unit.
The unit has been designed and manufactured to provide controlled ventilation in residential buildings and premises.
The unit may only be used for purposes for which it has been designed and manufactured and for which it has adequate
technical capabilities – in line with the conditions defined by the manufacturer. Its design, construction and technical
condition complies with safety regulations.
The heat recovery unit must be installed in compliance with general and local safety regulations.
The heat recovery unit may only be installed, connected, commissioned and maintained by an authorized service technician
with respective professional qualifications. A service technician is a person with adequate qualifications, experience and
knowledge of respective regulations, standards as well as possible risks and dangers.
The unit may only be independently operated by physically and mentally apt persons that have thoroughly read and
understood the User Manual. The User Manual must be stored in an accessible place.
Do not change or modify the heat recovery unit in any way!
Follow the time intervals for regular filter replacement.
Do not repair the heat recovery unit! If you find a defect or damage contact a service technician immediately.
We do not recommend leaving the heat recovery system off for prolonged periods, not even in the of absence of persons.
Always let the system run at the lowest ventilation level or in the Automatic Mode.
The unit can not be used while there is still unfinished construction work in the building. The unit must be installed and
commissioned in a finished and clean building.
The heat recovery unit is designed for joint operation with a fireplace only when the fireplace is suitable for passive buildings,
has a sealed fireplace insert and its own air supply.
Joint operation with a fireplace is possible only if relevant safety and fire regulations are followed. Such operation requires
setting and using the Overpressure function (see Heat recovery unit functions).
The s ys tem must not be ope rated toge ther with an ope n fireplace or with any fire place w ithout itsThe s ys tem must not be ope rated toge ther with an ope n fireplace or with any fire place w ithout its
ow n air supply!ow n air supply!
The unit mus t be off and dis connected from electrical mains during any maintenance including filterThe unit mus t be off and dis connected from electrical mains during any maintenance including filter
re place ment!re place ment!
Do do not reach into the filter space w ith your hand when replacing filters! Avoid risk of hand injury!Do do not reach into the filter space w ith your hand when replacing filters! Avoid risk of hand injury!
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