User Manual

4.4 Installation shutdown .........................................24

4.5 Frost protection ..................................................24

5 Checking and maintenance .....................................................................25

5.1 General instructions ...........................................25

5.2 Periodic checks ..................................................25

5.3 Filling the system ...............................................26

5.4 Bleeding the heating system .............................27

5.5 Draining the installation .....................................29

6 Troubleshooting .......................................................................................31

6.1 Anti-hunting ........................................................31

6.2 Messages (Code type Bxx or Mxx) ....................31

6.3 Faults (Code type Lxx or Dxx) ...........................33

7 Technical specifications ..........................................................................39

7.1 Technical specifications ....................................39

8 Energy savings .........................................................................................40

8.1 Energy-saving advice .........................................40

8.2 Recommendations ..............................................40

9 Warranty ....................................................................................................41

9.1 General ................................................................41

9.2 Warranty terms ...................................................41

Contents

23/08/2011 - 300024159-001-B