1
1. Fresh outdoors air is supplied.
2. The drawn-in air is filtered to provide optimal-
ly clean air.
3. The indoors air is supplied and warmed by
the Low H2O heat exchanger.
4. The filtered outdoors air and the warmed ind-
oors air are mixed and supplied to the room.
OXRE
4
2
3
OXRU
4
1
2
EN
3
77