16 | Installation (for contractors only)
B Remove cover.
B Fix sensor housing to external wall with two
screws.
2.
Fig. 13
3.1.4 Fitting other accessories
B Fit accessories according to the legal
requirements and the installation instructions
supplied with them.
3.1.5 Disposal
B Dispose of packaging in an environmentally
responsible manner.
B When replacing components, dispose of the
used components in an environmentally
responsible manner.
6 720 645 349 (2010/09)
3.2
Electrical connections
3.2.1 Electrical connection in the heating
appliance
B Installation of the controller automatically
produces BUS connection via the three
contacts (
1.
AF
ST 19
A F
Fig. 14
Controller installed via BUS contacts in
BUS-enabled Heatronic 3.
The controller recognises via the
third contact that it is installed
inside the heating appliance.
Fig. 6 on page 12).
Heatronic 3
FW 100
1
2
4 B B
6 720 613 557-02.1R