340S heat recovery PRANIC provide excellent recovery, natural and fresh air, without germs and bacteria because copper is a natural antiseptic. Designed to provide ventilation of premises with a large area and special operating conditions, designed with technical properties relevant to these conditions. The system allows connecting the inlet and outlet channels branched (ΣΔR≤350Pa). The Prana 340S is produced both in the version for indoor installation, with subsequent connection of the intake and exhaust pipes of standard and variant for wall mounting. Prana ventilation Management System 340S takes place using a dimer (dimmer switch) or two dimers. The model is suitable for production facilities and industrial (factories, shopping centers, sports and entertainment centers, swimming pools, locations of agriculture, etc.) model can be used also for residential applications.