Rotex RRGA04DAV3 Installer's Reference Manual page 24

Start
Input from installer:
2
)
m ?
Yes
room A if:
Bottom opening:
Top opening:
Input from installer:
room B
2
)
min total
?
min total room B
Yes
m –m )
room B ) 2
min
min
A
a
a
2
)
A
B
B