Vaillant auroTHERM VFK 145 H/V Installation Manual page 15

5 Flat roof installation
A
Fig. 5.8 Positioning the mounting rails
Fig. 5.9 Joining the mounting rails
1
Fig. 5.10 Hooking the collector
Fig. 5.11 Positioning the upper mounting rail
14
B
• If multiple collectors are mounted, the
mounting rails meet in the centre of the
clamping elements (A).
• On the first and last frame, the mounting
rails can be projected by 20 mm (B).
• Insert the connecting elements into the
mounting rails by the side.
• Position another frame (see Fig. 5.2 to 5.4).
• Join the mounting rails and fix them to the
frame clamping elements.
• Compensate any difference in height by
moving the clamping elements.
• Place the collector with the lower edge in
the section of the mounting rail.
• Make sure that the upper part (1) of the
clamping element is above the collector
edge.
• Slide the upper mounting rail until it flush-
es with the collector.
• Make sure that the upper part of the
clamping element is above the collector
edge.
• Tighten the lower clamping elements with
the socket/combination wrench (SW 13).
Installation manual auroTHERM 0020057143_02