Installation Manual

Table of contents
6 720 811 760 (2014/05)
2
Table of contents
1 Key to symbols and safety instructions . . . . . . . . . . . . . . . . . . . 3
1.1 Key to symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Accessory assembling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.1 Maximum and minimum permitted vent lengths . . . . . 13