Solarta: Photovoltaic solar energy, solar thermal energy, solar energy Mallorca, renovable energy Mallorca, solar modules

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Asociación de la Industria Fotovoltaica
Asociación de Empresarios de Instalaciones Eléctricas y de Telecomunicaciones de Mallorca
Federación de la Pequeña y Mediana Empresa de Mallorca
1º Solar system Autoconsumo
Verified by GESA
Solarta Certified according to
ISO 9001

1. Collector
Evacuated tube collector

Evacuated tube collector
Flat plate collector

Flat plate collector

The collector captures solar energy that is used to heat water. There are many different types, but the most common is the flat-plate collector.

How does it work ?

The absorber converts solar radiation into heat and transmits the energy to an antifreeze heat transfer fluid that circulates in the interior of the system. The system is especially insulated at the sides and at the back in order to minimise heat losses. The temperatures inside the absorber can exceed 200°C.

2. Storage tank
Proclean storage tank

Proclean storage tank
In the most cases, the storage tank is made of enamelled steel and is thermally insulated. There is a heat exchanger inside that is connected to the collector.

Normally, the capturing of solar radiation and the heating requirement do not coincide. Therefore it is necessary to install an element which stores the heat. In the domestic hot water storage tanks, water is saved for taking a shower, for cooking and washing. Downstream storage tanks are used for storing water which is then used for heating. Combination storage tanks are used for both applications.

3. Heat exchanger
Plate heat exchanger
Plate heat exchanger
Heat exchanger transmitts the heat between different ciruits: solar circuit-domestic hot water, solar circuit-heating and domestic hot water, solar circuit-pool. In the solar circuit, frost protection is used. The most common heat exchanger types are:

Submerged heat exchanger (serpentine heat exchanger, tube heat exchanger, spiral heat exchanger). Double-walled heat exchanger.

4. Auxiliary energy systems

A system for providing auxiliary energy must be designed and calculated in such a way that it is able to cover the entire hot water requirements. Therefore, it should be seen as a conventional system for heating water.

When connected to a solar energy system, it must be optimised to get the maximum efficiency of both systems. In order to achieve this, the water must be heated in the solar storage tank first and then transferred to the auxiliary energy system before it is consumed.

5. Regulation and control devices
Solar station

Solar station
The solar stations and regulating devices completely control the solar energy system and the connection to the existing heating system. With the help of the integrated regulator it is easy to gain access to important information, such as the solar efficiency or the operating mode.

When designing the system, particular care needs to be taken to ensure the correct positioning of the sensors in order to detect the required temperatures - i. e. inside the sensor sleeves.

An automatic control saves considerable amounts of energy and ensures maximum yields.

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