Volume flow rate balancing
When several diffusers are connected to just one
volume flow controller, it may be necessary to bal-
ance the volume flow rates.
Slot diffusers with plenum box and damper unit:
The damper unit can also be operated when the
diffuser face is mounted.
Move the air control blades near the spigot in such
a way that it is possible to insert a screwdriver or
cord.
≤ ∅3,5 mm
Fig. 27: Setting the damper unit in case of a hori-
zontal spigot, e.g., with a screwdriver
Fig. 28: Setting the damper unit with a vertical
spigot
When pulling the cords:
White cord - Open the damper unit
Green cord - Close the damper unit
Initial commissioning
Air terminal devices Slot diffusers PURELINE18
19