Fitting The Rafter Hooks And Mounting Rails - Viessmann Vitosol 200-F Installation Instructions For Contractors

Installation with rafter anchors
Clamping bracket, internal
6
Plastic replacement tile, if the existing tiles are not
7
to be cut.
Use only on roofs with a pitch of at least 12°.

Fitting the rafter hooks and mounting rails

A specific number of rafters is used for fitting. This
number depends on the rafter spacing and expected
snow loads.
Rafter spacing
600 mm
≤
Snow loads up to 1.25 kN/m
A 1 2
Snow loads > 1.25 kN/m
A 1 2
Position of rafter anchors (4 pce)
A
(cont.)
2
3 4
2 , 2.55 kN/m 2
≤
3 4
700 mm, 1000 mm
≥ ≤
A
1 2
A
1 2
3
3
17