8
1. Outdoor air duct connection
2. Duct connection supply air
3. Duct connection extract air
4. Duct connection discharge air
5. Outdoor air fi lter
6. Extract air fi lter
7. Supply air fan
8. Extract air fan
9. Electrical connections
10. Connection of HMI control panel
11. Automation (inside the electrical cabinet)
12. Valves for refrigerant manometer
13.
Pipe for fl ow/return to water after-heating element (see picture14)
a. fl ow
b. return
14. After-heating element water/electricity (accessory - see picture 14)
15.
Condensers and evaporators (see picture 15)
a. Evaporator/Condenser
b. Condenser/Evaporator
16. Heat pipe / passive heat exchanger (behind the screen - see picture 16)
17. Compressor
18. Frequency converter for compressor (only by VTZ compressor)
19. Lifting eyes
20. Shut-off damper
21. Condensate drain
14. 15. 16.