Vaillant auroTHERM VFK 125 Installation Manual page 26

6 On-roof mounting
Fig. 6.12 Positioning the upper mounting rail
Fig. 6.13 Joining the mounting rails (field arrangement side by side)
A
B
Fig. 6.14 Mounting the connectors (field arrangement side by side)
24
a
• Slide the upper mounting rail until it flus-
hes with the lower collector.
• Make sure that the upper part of the clam-
ping element is above the collector edge.
• Tighten the clamping elements above the
collector.
a
n
• Insert the connecting elements into the
mounting rails by the side, until they lock
into place.
• Join the mounting rails and fix them with
the clamping elements on the roof anchors
(see Fig. 6.8).
• Compensate any difference in height by
moving the clamping elements.
n
• Insert the hydraulic connectors up to the
end stop into the corresponding openings
on the side of the collectors.
• Fix the connectors with the clamps, slide
2
the clamps for the upper connection in the
rail from the top, and then clamps for the
lower connection from the bottom.
1
a
Caution!
Danger of damage to the collector as
a result of incorrect assembly!
After tightening the clamping ele-
ments, make sure the tension is cor-
rect by shaking the upper part of the
clamping element. If it can be moved,
retighten the nut.
With fields arranged side by side
With fields arranged side by side
Caution!
Danger of damage to the collector as
a result of incorrect assembly!
Make sure that the clamp (A) slides
into the slot on the pipe coupler (B).
Installation manual auroTHERM 0020057143_04