Viessmann Vitoplex 200 SX2A Series Installation Instructions Manual page 22

Mounting the control unit
3.
1.
Fig. 19
Side panel, control unit
A
Hook side panels into the slots provided, starting at the
bottom and working upwards.
Control unit A is mounted on the side panel. The side
panel features cable entries. The side panel can be
hooked in at the centre or at the top. It may be fitted on
the r.h. or l.h. side of the boiler.
22
(cont.)
A
41
90
2.
Note
Burner cables are supplied in the thermal insulation
pack.
Control unit back connections
Boiler control unit installation instructions