Vaillant auroTHERM exclusive VTK SERIES Manual de instalación descargar pdf (Pagina 15)

On-roof fitting and installation 4

0020077994_02 auroTHERM exclusive Installation manual 15

Conditions: Parallel connection

▶ To avoid pressure losses in the sub-collector fields, only

use parallel connection for collector rows with the same

number of collectors.

▶ Ensure that each sub-collector field has the same total

tube length in the flow and return (Tichelmann system),

in order to avoid pressure losses in the connection tubes.

4.1.4 Preparing the roof duct

Caution.

Building damage due to penetrating wa-

ter.

If the roof duct is not prepared properly,

water may penetrate the building interior.

▶ Ensure that the roof duct is prepared

properly.

1. Make a v-shaped cut in the roofing felt membrane.

2. Fold the upper, wider flap onto the roof batten above,

and fold the lower, narrower flap onto the roof batten

below.

3. Fix the roofing felt membrane tight to the roof batten,

so that any moisture runs off to the side.

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Vaillant auroTHERM exclusive VTK SERIES Manual de instalación Pagina 15