The 4 Worst Mistakes In A Solar System Installation And How To Avoid Them

The 4 Worst Mistakes In A Solar System Installation And How To Avoid Them 1

The 4 Worst Mistakes In A Solar System Installation And How To Avoid Them


This article will show you the four worst mistakes in a solar system installation and will give you advice on how to avoid them.

The increased number of solar panel systems has also led to changes in the craft sector. Different companies outside the photovoltaic industry, more particularly the roofing trade, have been offering solar panel systems installations in addition to their regular services, for a few years.

The advantage is to bring together the experiences of the electrical and roofing sectors to avoid the following errors:

1. Error: Poorly mounted roof hooks

Often the most visible errors when installing a solar panel system are poorly mounted roof hooks in the substructure.

The roof hooks must not rest on the tiles because this causes tensions, and the tile may burst at some point. Here, the height of roof hooks, have to be selected so that they can lie on top of the snow even in the case of high snow loads.

2. Error: Parallel mounting of the substructure

In older more uneven roofs, one can often see that the mounted solar PV system follows the curves of the roof construction.

This is aesthetically undesirable and can also cause, in the case of very low solar angles, shadings. To avoid this, height-adjustable roof hooks shall be used, or the unevenness of the roof must be compensated.

Roof hooks are available in different styles so that every solar roof can become almost a flat surface.

3. Error: Badly laid solar cables

Solar cables must be fixed carefully to the substructure or the module so that no cable loops arise on the roof.

The cable loops can be pushed back and forth by the wind, which not only causes much noise, but it can also create electricity arcs and, at worst, fire. Furthermore, cable loops can lead rainwater to flow in the direction of sockets and connectors and produce damage there.

In general, all current-carrying parts are to be guided so that no external damage can occur.

Also, the fire protection regulations must be here respected. For this purpose, a cable duct made of stainless steel must be used.

4. Error: Unsecured construction site

To save on costs construction site security is happily dispensed with, which can cause severe consequences for staff, material and instruments.

A well-secured scaffold is indispensable. The work must be done by experienced industrial climbers.

Safety nets for falling instruments and sufficient flat areas for the deposing of solar PV panels belong to the standard equipment.

In certain circumstances, the technicians must be secured with safety harnesses.

Checklist For A Solar System Installation

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