8
Functional block diagram
Connections
1. Outdoor air
2. Supply air
3. Extract air
4. Discharge air
5. Condensate drain
6. Electrical or water after-heating element connec-
tions
Automation
T2/T7: Supply air temperature sensor
T3: Extract air temperature sensor
T4: Discharge air and de-icing temperature sensor
T1/T8: Outdoor air temperature sensor
T9: Water after-heating element temperature sensor