Vaillant auroTHERM VFK 900 Installation Manual page 9

Vent the collector!
Fit the Vaillant automatic de-areator
(Part No. 302418) between the solar station
and the solar storage in the solar circuit.
Observe the relevant installation and operating
manual.
Fig. 3.7 Installation tools: Folding rule, power drill, cross-slit bit
PZ2,3 and open-ended spanners in sizes 16, 19, 24 and
a hammer, carpet knife and silicone injection tube
(perhaps also angle-grinder with stone cutting disc).
Fig. 3.8 Determine the mounting field on the roof for the solar
collectors using the dimensions (see Fig. 3.4) and the
template and cover the tiles.
Installation Manual auroTHERM, VFK 900, 0020009584_01
Fig. 3.9 Mark the position of the laths using the template (see
also Fig. 3.4) and secure the laths using 65-type nails
- lath B to be screwed.
Fig. 3.10 Carrying handles can be supplied on request. Securely
bolt the collector on both sides with the fixing clips -
higher offset to collector. Check for secure fixing!
Fig. 3.11 Allow the collectors to slide in the inclined lath B.
Leave a consistent gap of approx. 8 mm between the
collectors for insertion of the silicone T profile, adjust
lath B if necessary.
In-roof mounting 3
9