4.2
To install the product
1
Put the product in the correct position:
a.
Install the product with the motor up or to the sides.
45°
135°
135°
45°
Caution
Do not install the product with the motor
down. Dirt can collect in the fan housing.
b.
Install the product correctly in relation to the airflow.
2
Install the product with accessories that decrease vibra-
tions in the product and the duct system.
a.
If you install the product vertically, install mounting
rings (A) against the ceiling and use flexible connec-
tions (B):
B
A
b.
If you install the product horizontally, install mount-
ing feet (C) and spring vibration dampers (D).
C
D
5
