Vaillant auroTHERM VFK 125 Installation Manual page 25

Fig. 6.9 Balancing the mounting rails
1
Fig. 6.10 Hooking the collector
3
Fig. 6.11 Central mounting rail (field arrangement on top of each other)
Installation manual auroTHERM 0020057143_04
• Make sure that the mounting rails are fixed
in horizontal position.
• Compensate any difference in height by
moving the clamping elements.
• Pull the clamping element upward, now it
can be moved and it engages again when
released.
1
2
• Place the collector with the lower edge on
the mounting rail and hook it to the clam-
ping elements.
• Make sure that the upper part (1) of the
clamping element is above the collector
edge.
• Tighten the clamping elements of the
lower mounting rail with the socket/combi-
nation wrench (SW 13).
a
u
2
• Slide the central mounting rail until it flus-
hes 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 coll-
ector to the clamping element.
• Place the upper collector (3) in the central
mounting rail.
• Screw the clamping elements of the cen-
tral rail.
On-roof mounting 6
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 on top of each
other
GB
23