Retrofit of spring clip fixing DF
If required, the spring clip fixing can be retrofitted.
Assembly is carried out by others depending on the
length of the diffuser face and in accordance with
the following images. Installation of the diffuser face
into the ceiling in accordance with Fig. 18 and
Fig. 19
Fig. 20: LN 600 to 1350 mm
1
Self-drilling screw
∅
3.5 - 4.5, max. length 10
mm (provided by others)
Fig. 21: LN 1500 to 1950 mm
LN
Number of self-drilling
screws
B
600 - 1350
2
–
1500
3
750
1650
750
1800
900
1950
900
Duct connection
The plenum box has a spigot for duct connection.
Variants with a double lip seal allow for a sufficiently
tight connection; additional sealing is not required.
Initial commissioning, maintenance and
cleaning
Initial commissioning
Before you start commissioning:
Check that the air terminal devices are cor-
rectly seated.
Remove protective film, if any.
Ensure that all air terminal devices are clean
and free from residues and foreign matter.
Check that electrical connections (if any) have
been correctly made.
Ensure that the devices have been correctly
fixed and connected to the ducting.
For commissioning see also VDI 6022, part 1 – 'Hy-
giene requirements for ventilation and air-condi-
tioning systems and units'.
Initial commissioning, maintenance and cleaning
Air diffusers Slot Diffusers Type PURELINE50
12
