Fitting Other Accessories; Disposal; Electrical Connections; Electrical Connection In The Heating - Bosch FW 120 Installation And Operating Instructions Manual

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.
Installation (for contractors only) | 15
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 11).
Heatronic 3
FW 120
1
2 4 B B
6 720 800 004-02.1O
6 720 800 844 (2012/02)