Page 448 - 3K_e-Catalogue 2018

5.2 RECIRCULATION SYSTEM OF THE AMBIENT AIR (ACCESSORY)

You can order an ambient air recirculation system as an accessory. This system is supplied together with the unidirectional
filter ceiling.

The ambient air recirculation system will have to be fitted by the installer, as defined during the design stage.
The mounting kit of the ambient air recirculation system consists of the components listed in the following table.

4 recovery plenums with filter 4 silencers for circular aeraulic air ducts

4 high efficiency filters Circular aeraulic ducts

4 rectangular silencers 32 hex head screws M8 x 20 mm

4 ventilated plenums 32 flat washers Ø 8 mm

4 elbows for circular aeraulic ducts 32 spring washers Ø 8 mm

Below is a construction drawing of the recirculation system to facilitate the recognition and position of each of its
components.

INSTALLATION AND MAINTENANCE 19