Vaillant auroTHERM VFK 145 H/V Installation Manual page 24

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Fig. 6.11 Central mounting rail (field arrangement on top of each other)
Fig. 6.12 Positioning the upper mounting rail
Fig. 6.13 Joining the mounting rails (field arrangement side by side)
Installation manual auroTHERM 0020057143_02
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• Slide the central mounting rail until it
flushes with the lower collector (1).
• Make sure that the hook of the clamping
1
element is above the collector edge.
• Fix the mounting rail (2) for the upper col-
lector to the clamping element.
• Place the upper collector (3) in the central
mounting rail.
• Screw the clamping elements of the cen-
tral rail.
• Slide the upper mounting rail until it flush-
es with the lower collector.
• Make sure that the upper part of the
clamping 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.
On-roof mounting 6
With fields arranged on top of each
other
Caution!
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
GB
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