Viessmann Vitoplex 200 SX2A Series Installation Instructions Manual page 23

Mounting the control unit
The components that make up the controller mounting
bracket are supplied in thermal insulation pack 2; the
strain relief fitting can be found in thermal insulation
pack 3.
1.
Fig. 20
Strain relief
A
(cont.)
B3.9 x 9.5
2.
3.
A
B4.8 x 9.5
4.
41
90
23