Installation Instructions

Flat roof fitting and installation 5
0020077994_02 auroTHERM exclusive Installation manual 53
Removing the carrying strap
18. Remove the carrying strap.
Loosening the sun protection film
1
19. To ensure that the sun protection film can be easily re-
moved after starting up the unit, loosen the sun protec-
tion film from the edges of the collector (1).
Installing additional collectors
20. Position the next collector on the lower mounting rail so
that there is a clearance of approx. 10 cm from the first
collector.
Fitting connectors
21
BA
21. Screw the double nipple (A) (from installation set VTK
extension set, article number 0020076779) in the
thread of the second collector (B) with the cap nut of
the first collector ((1) and (2)).
22. Push the collectors together.
Tightening the clamping ring connection
Caution.
Risk of damage to the collectors as a
result of improper installation.
If the hydraulic connections are not in-
stalled properly, the stainless steel tubes
inside the collector may become damaged.
▶ When tightening the clamping ring con-
nection, hold a second spanner against
it.
23. Screw the two cap nuts securely onto the double nipple.
Completing the installation of the collector
24. Slide the second top mounting rail until it is flush with
the collector.
25. Screw the second top mounting rail tightly onto the
mounting rail of the first collector using the corres-
ponding bracket.
Working materials
5 mm Allen key