Vaillant auroTHERM exclusive VTK SERIES Installation Manual download pdf (Page 51)

Flat roof fitting and installation 5

0020077994_02 auroTHERM exclusive Installation manual 51

Screwing the rack onto weights

▶ Take hold of the first rack that is already secured in the

installation angle.

▶ Screw the front rack feet onto the first weight.

▶ Screw the rear rack feet onto the second weight.

◁ The first rack is installed so that it is stable.

▶ Install the second rack on the next two weights as de-

scribed above.

▶ Fit as many racks as you need to hold the collectors.

5.2.2 Installing collectors

Danger!

Personal injury and material damage due

to a falling collector.

Improper fastening may cause a collector

to fall.

▶ Tighten the clamping elements.

▶ Check for proper tensioning by shaking

the clamping blocks.

▶ If a clamping block is mobile, tighten the

nut again.

1. Install the collectors on the roof as specified in the fol-

lowing sections.

Sliding on mounting rails

2. Slide the two mounting rails (top and bottom) onto the

brackets, as shown in the image.

3. Ensure that the open side of the bottom mounting rail

is facing upwards and that the open side of the top

mounting rail is facing downwards.

4. First slide the mounting rail onto one bracket (1).

5. Slide the mounting rail a little outwards (2).

6. Then slide the mounting rail back to the other bracket

(3).

7. Perform these steps one after the other for all racks.

Fitting mounting rails to several racks

50 - 200

8. When installing several collectors next to each other, al-

low the mounting rails to end in the centre of the brack-

ets (A).

9. Allow the mounting rails on the first and last rack to

protrude 50-200 mm over the edge (B).

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Vaillant auroTHERM exclusive VTK SERIES Installation Manual Page 51