the collectors will be fastened to the roof’s structure
only after they are all placed on the roof in a correct
way.
See stages (14) to (17)
(12)
Fix the collectors to the lower support
brackets
by
means of Torx 4x30mm screws. 2 screws per bracket.
(13)
In the same way, install the 70/70mm bracket on the
collectors’ upper faces and fix them to the rafters by
means of Torx 4x80mm screws. 2 screws per bracket.