①
②
Fig. 12: Removing the extract air fan and sound attenu-
ator
6.
Disconnect the connecting cable from the extract
air fan at the plug. Loosen the screws ( Fig. 12 /1)
and pull out fan with sound attenuator ( Fig. 12 /2)
to the front.
Steps 8 and 9 are not required for assembly, which
can reduce the weight of the top of the device by
approx. 25 kg.
①
②
Fig. 13: Cover grille with sound attenuator on the supply
air fan
7.
Loosen the four screws ( Fig. 13 /1) on the cover
grille and pull out the grille with the sound attenu-
ator ( Fig. 13 /2) towards the front. Disconnect the
earthing plug from the grille
Installation
Installation
Decentralised ventilation units SCHOOLAIR-S-HV
18
