Vaillant auroTHERM VFK 145 H Installation Manual page 39

Fitting mounting rails to several racks
A
8. When installing several collectors next to each other, al-
low the mounting rails to end in the centre of the brack-
ets (A).
9. Allow the mounting rails on the first and last rack to
protrude 50-200 mm over the edge (B).
Connecting mounting rails
1
10. Clamp the rail connector (1) into the mounting rails.
11. Ensure that the rail connector (1) engages in the holes
of the mounting rails.
Note
After installation, the rail connectors are no
longer accessible.
Securing the mounting rails at the bottom
12. Screw the brackets tightly onto the lower mounting
rails.
–
Working materials: 5 mm Allen key
0020100571_03 auroTHERM, auroTHERM plus Installation manual
B
2
Flat roof fitting and installation 5
Hooking the collector in at the bottom
1
Danger!
Risk of burns and scalding!
In the event of solar radiation inside the units,
collectors can reach 200 °C.
▶
Avoid working in direct sunlight.
▶ Cover the collectors before starting work.
▶ You should preferably perform the work in
the morning.
▶ Wear suitable safety gloves.
13. Lay the collector with the lower edge in the profile of
the mounting rail (1). Ensure that the mounting rail (1)
surrounds the lower edge of the collector.
Securing the collector at the top
2
14. Slide the left side of the top mounting rail (1) until it is
flush with the collector.
15. Ensure that the mounting rail (1) surrounds the top
edge of the collector.
16. Screw the bracket securely on the top left (2).
–
Working materials: 5 mm Allen key
17. Ensure that the mounting rail does not slip while you
are tightening the screw.
1
1
39