Legend
1 Flow rate controller
2 Backdraught damper
3 Shut off damper with spring return actuator
4 Air volume controller with TROX compact controller
5 Fine dust filter F7
6 Supply air fan
7 Sound attenuator
8 Heat exchanger
SRO Fresh air single room
SRS Supply air single room
SEC Secondary air
1 Flow rate controller
2 Backdraught damper
3 Shut off damper with spring return actuator
4 Air volume controller with TROX compact controller
5 Fine dust filter F7
6 Supply air fan
7 Sound attenuator
8 Heat exchanger
SRO Fresh air single room
SRS Supply air single room
SEC Secondary air

