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4 Before installation
5 Flat roof installation
4.5
Hydraulic connection preparation
4.5.1
On-roof mounting
Fig. 4.7 Passing the pipe through the sarking membrane
If there is a sarking membrane, proceed as follows:
• Cut the sarking membrane vee-shaped.
• Fold the upper, larger tab on the roof batten above,
and the lower, smaller tab on the roof batten below.
• Fix the sarking membrane tight to the roof batten.
This ensure that the dampness flows away to the side.
• With the roofs activated, cut out a hole with the com-
pass saw.
• Work the roofing felt as described for the sarking
membrane.
4.5.2 Flat roof installation
a
Caution!
The roof skin can break and cause lack of tight-
ness!
When installing the roof sealing surfaces, make
sure the roof skin is adequately protected.
• Place large protection mats under the system.
• If the frame is screwed directly, check the sealing of
the building shell.
10
4.6
Required tools
• For the installation of flat collectors, prepare the fol-
lowing tools.
Fig. 4.8 Assembly tools: water level, cordless screwdriver, Torx
bit (TX30, supplied), socket/combination wrench (SW
13), hammer, measuring tape / folding rule
5
Flat roof installation
With flat roof installation, flat collectors are fastened to
frames.
The flat roof frames allow for a flexible installation with
an angle of 30°, 45° or 60°.
Besides, the height of the mounting rails is variable, in
order to compensate for small floor irregularities.
5.1
Collector position and field arrangement
Vaillant flat collectors are available in different versions:
one for horizontal position, one for vertical position.
Generally, the installation steps and the instructions
described in this manual are valid for both collector
positions.
Any different installation steps are clearly pointed out:
w
With horizontal collector position
s
With vertical collector position
Installation manual auroTHERM 0020057143_04
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