Viessmann Vitosol 200-T Installation Instructions Manual page 21

Pitched roof installation with rafter hooks
3 rafters are required for the overall width. Leave the
centre rafter free.
Fig. 23
Rafter hook
A
Mounting rail
B
Tube retainer
C
Rafter spacing k in mm
600
700
800
(cont.)
90°
Projection h in mm
C
B
A
1.
400
300
200
21