Preparing The Roof; Laying Out The Collectors - Vaillant auroTHERM VFK 145/2 H Installation Manual

5.5.1

Preparing the roof

a
Danger!
Danger of personal injury and material
damage caused by a collapsing roof!
A roof with insufficient load-bearing capacity
can collapse as a result of the additional load-
ing caused by the flat collectors.
> Before installation, check the maximum
roof load!
> If necessary, call a technician.
Fig. 5.8 Exposing the installation area and fitting the lower roof batten
5.5.2

Laying out the collectors

> Before starting assembly of a vertical row of collec-
tors, lay out all the collectors of the upper rows
unpacked on the roof.
The collectors for the lowermost row (this is where the
assembly begins!) are fitted first.
> Follow the steps below:
Fig. 5.9 Laying out the collectors
Installation manual auroTHERM 0020100606_02
1
> Using the dimensions (¬ Fig. 5.7,
Table 5.5) define the installation area on
the roof.
> Remove the tiles.
There must be a roof batten at the lower
edge of the collector array corresponding to
distances D and E in Table 5.5.
> If there is no roof batten at the corre-
sponding position, attach an additional
batten.
> Make sure that the ends of roof batten are
resting centrally on a rafter.
> Screw the roof batten firmly to each rafter
using one of the supplied No. 3 screws
(¬ Table 5.2/5.4) in each case.
> At the mounting point for each of the col-
lectors above the lowermost row, fix an
additional roof batten (1) to the existing
roof batten.
> Firmly screw the additional roof batten at
two fixing points using the supplied No. 3
screws (¬ Table 5.2/5.4).
Additional roof battens are included in the
delivery (¬ Table 5.1/5.3, Item 13).
The additional roof battens (1) secure the col-
lectors from falling during temporary stor-
age.
> Lay the collectors one after another at the
respective mounting points on the roof
batten (1).
Assembly 5
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