Airflow direction
in mode A/B
130
This illustration shows the two directions of airflow through the unit. The airflow direction can
be changed by changing the operating mode as described on page 138.
Pos . Mode A
A
Extract air
B
Supply air
C
Exhaust air
D
Outdoor air
INSTALLATION & SERVICE MANUAL FOR PROFESSIONALS
Product description: General description
Mode B
Illustration
Outdoor air
Exhaust air
Supply air
Extract air
B
A
Fig. 6
C
D