Vaillant auroTHERM VFK 125 Installation Manual - page 26
Installation manual auroTHERM 0020057143_04
24
Fig. 6.12 Positioning the upper mounting rail
•
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
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.
Fig. 6.13 Joining the mounting rails (field arrangement side by side)
n
With fields arranged side by side
• 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.
2
1
a
A
B
Fig. 6.14 Mounting the connectors (field arrangement side by side)
n
With fields arranged side by side
• 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
the clamps for the upper connection in the
rail from the top, and then clamps for the
lower connection from the bottom.
a
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).
6 On-roof mounting