The SC silencer, made up of an acoustic sleeve associated with a self-regulating or humidity-controlled air inlet (with circular connection) is installed in all the linings after having made the circular hole in the wall and sealed a sheet metal sleeve
Ø 125 mm.
The SC silencer assembly combined with the GAPM external wall grille and the humidity-controlled EM HY or self-regulating EM A 22 and EM A 30 air inlets can be mounted both in a wall with external insulation and in a wall with internal insulation.
Drill the wall and seal a sleeve (max. interior Ø 125,
Ø 122 inside min) with a slight slope towards the outside. On the outside, once the coatings are finished, screw the sleeve of the GAPM 125 grille and fit the grille onto the sleeve.
Fit the Ø 125 acoustic sleeve into the Ø 125 duct. Fit the air inlet into the duct.
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