Vaillant auroTHERM VFK 125 Installation Manual page 22

6 On-roof mounting
Fixing to the roof batten
Caution!
a
The roof may collapse!
Before installation on the roof batten, check
the load capacity of the roof batten!
Replace the roof batten if necessary.
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3
1
Fig. 6.5 Fixing to the roof batten
1. Slide upward one or two pantiles above the roof bat-
ten. For distances please see Tab. 6.2 and 6.3.
2. Loosen the upper bolt with the socket/combination
wrench (SW 13) until the height of the roof anchor can
be adjusted.
3. Hook the roof anchor to the roof batten. Pay attention
to the correct position of the upper and lower roof an-
chor (see Fig. 6.3).
4. Position the roof anchor at the same height of the
pantiles. The upper part is on the roofing, the lower
part is pressed tight against the roof batten from the
bottom.
Take care anchor is tightly fixed and pre-tensioned on
the roof batten (toothing engaged).
5. Tighten the bolt with the socket/combination wrench
(SW 13).
6. Slide the pantiles back to the original position.
If necessary, adapt the water gutter on the lower side
of the pantile with a hammer, until the pantiles are
tight.
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5
Installation manual auroTHERM 0020057143_04
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