Vitoair Draught Stabiliser, Part No. 7338 725, 7339 703; Function Check; Motor Faulty - Viessmann VITOTRONIC 200 Installation And Service Instructions Manual

Vitoair draught stabiliser, part no. 7338 725, 7339 703

B
A
Fig.65
To the burner
A
To the control unit
B
Colour coding to IEC 60757
BK Black
GNYE Green/Yellow

Function check

Fig.66

Motor faulty

Press rotary selector on the motor and turn it clockwise
beyond position " ", as far as it will go.
3
Press the rotary selector on the motor and simultane-
ously turn it to its central position.
■ Burner enabled by the control unit
The rotary selector should move towards "
⇒
■ Burner is off
The rotary selector should move towards "
Components
⇒
".
3
".
5
95