Montering Av S4 R/S7 R; Wall Mounting; Horizontal Mounting - Flexit S3 R Operating Instructions Manual

5 Mounting of S4 R/S7 R
These units are heavy and therfore it is necessary
to use additional studs (transcoms) between the
pillars on 48 x 98 mm, or 48 x 148 mm for suspension
above and support bracket below (c/c distance 900
mm) If using existing wall framework, mount an 18
mm plywood wallboard first to distribute the weight,
minimum the seize of the unit.
The wallboard must be secured to the framework in at
least 3 places with countersunk screws (6 attachment
screws 4.5 x 50 are included).
Mounting alternatives for the unit:
• Wall mounting (Fig. 15)

• Horizontal mounting (17)

5.1 Wall Mounting
The enclosed wall brackets are used for wall mounting
(Fig. 14A/14B). The wall must be sound insulated to
prevent noise transfer. The unit should be placed
against a wall which does not have a sound sencitive
adjoining room.
Duct connection top (Fig. 16)
• Attach one of the 2 mounting brackets (Fig. 16A) to
the ventilation unit with the enclosed screws (Fig.
16B).
• Lift the unit onto the wall and fasten with screws.
• Fix the unit at the bottom with the second enclosed
mounting bracket (Fig. 16A).
5.2 Horizontal Mounting
The ventilation unit should be installed on a firm base
(e.g. gypsum/chipboard) that is level.
If the room is noise sensitive, place the panel on a
very firm panel of mineral wool for additional sound
reduction (Fig. 2/Kap. 2). The unit should not be
installed above a bedroom.
S4 R/S7 R
Fig. 15
Fig. 16A
Fig. 17
9
Fig. 16B