1.1 Description of the symbols used within this manual ............................................................................................. 4

1.1.1 Obligation. ........................................................................................................................................................ 4

1.1.2 Prohibition ........................................................................................................................................................ 4

1.1.3 Danger ............................................................................................................................................................. 4

1.2 Purpose of the manual .......................................................................................................................................... 4

2 Product description ........................................................................................................................ 5

3 Compliance ...................................................................................................................................... 5

4 Safety/Warnings .............................................................................................................................. 5

5 Structure and equipment ................................................................................................................ 6

5.1 Meaning of the air vents (fig.2) ............................................................................................................................. 7

6 Installation ....................................................................................................................................... 7

6.1 Assembly .............................................................................................................................................................. 7

6.2 Condensate drain .................................................................................................................................................. 8

6.3 Accessibility .......................................................................................................................................................... 8

6.4 Piping connection .................................................................................................................................................. 8

6.5 System operating diagram ................................................................................................................................. 9

6.6 Electrical connections ......................................................................................................................................... 10

6.7 Electrical box connections (fig.13) .......................................................................................................................11

7 Use .................................................................................................................................................. 12

7.1 "Heat recovery" Function ................................................................................................................................ 12

7.2 "No-Frost" Function ......................................................................................................................................... 12

7.3 "By-Pass" Function .......................................................................................................................................... 12

7.4 "Post-ventilation" Function ............................................................................................................................. 13

7.5 "Programming" Function (only for remote HMI control) .............................................................................. 13

7.6 "Holiday" Function ........................................................................................................................................... 13

7.7 "Post-heater" function ..................................................................................................................................... 13

8 User/installer panel functions ...................................................................................................... 14

8.1 User Mode .......................................................................................................................................................... 15

8.2 Installer mode .................................................................................................................................................... 15

9 Remote panel accessories ........................................................................................................... 16

10 Remote panel functions ............................................................................................................... 16

11 Maintenance and cleaning ........................................................................................................... 29

11.1 Filters ................................................................................................................................................................. 29

11.2 Filter extraction: ................................................................................................................................................ 29

11.3 Heat exchanger ................................................................................................................................................. 29

12 Communication parameters ......................................................................................................... 30

13 Comands ........................................................................................................................................ 30

14 Parameter map .............................................................................................................................. 30

15 Disposal ......................................................................................................................................... 31