Solutions for the thermal management of electrical enclosures and industrial processes in different fields

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Air conditioners and thermoelectric units

Technology to control the climate in electrical panels

Slimline top cooling units

The compact and slim construction, as well as the modern design, allow with only four dimensions to cover a range of cooling capacities from 300W to 6kW.

SlimLine cooling units

Available with and without filter, they are characterised by high quality components. SlimLine air conditioners, manufactured by Seifert, are distributed in Italy by Fandis.

Compact line cooling units

The Compact cooling units guarantee the best price-performance ratio and are suitable for various panels and in confined spaces thanks to their small dimensions. They are available in indoor and outdoor versions.

Slimline top cooling units

SlimLine TOP roof-mounted air conditioners: Filterless (making them ideal in tough environments) and made of high-quality components, they are available in RAL 7035 painted steel and AISI 304 stainless steel. Ideal for all installations in which the need to preserve lateral space, inside and outside the electrical enclosure is key.

Thermoelectric units

Heat pumps which exploit the Peltier effect (thanks to specific thermoelectric modules). They are designed for electrical panels in industrial applications. Furthermore, the AC thermoelectric units are characterised by the power supply integrated in the cover, which remains outside the electrical panel, avoiding additional internal heat production.

Accessories for cooling units

Optional products for collecting condensation in thermoelectric units and the additional use of filters in air conditioners.

More information

Information about Peltier cells and air conditioners

What's a TCU?

TCU stands for Thermoelectric Cooling Unit. These devices are designed to transfer heat (used for cooling the electrical panels, but can also be used to achieve the opposite effect, simply by reversing the power supply polarity). A TCU cools by using only electrical energy exploiting a physical phenomenon known as the "Peltier effect".

The advantages of thermoelectric cooling units

There are no mechanical moving parts in a thermoelectric unit (except for the fan, when present). That is why a TCU is very reliable. It has a nearly limitless life and is maintenance-free. The absence of moving parts makes the device insensitive to vibration and means that it can operate in any position, making it particularly suitable for applications on moving systems. It does not use gas (CFC) and its structure is much simpler and more compact than a compressor air conditioner.

Thermoelectric units: How do they work?

A thermoelectric unit is a small solid-state heat pump. The heat is transferred through the passage of electrical current in the thermoelectric modules, which constitute the heart of the system. The Peltier effect means that one side of the cell (the cold side) cools down and absorbs the surrounding heat, while the opposite side (the warm side) heats up and surrender the heat absorbed by the cold side into the surrounding environment. The process can be reversed by reversing the direction of the electric current.

The refrigeration cycle

The compressor compresses the refrigerant (thus bringing it to high pressure and high temperature), pushes it through the condenser, where it is cooled by the ambient air, passing from a gaseous state to a liquid state and consequently releasing heat. In liquid state, the refrigerant passes through the capillary tube and reaches the evaporator, where it absorbs the heat (subtracting it from the environment) necessary to pass again from liquid to gaseous state. The refrigerant is then returned to the compressor, thus completing the cycle.


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New digital catalogue
More functionality and interaction

New digital catalogue

The new version of product catalogue offers extra digital content: by browsing it online, you can reach a greater level of detail. Just a click on the code to directly access the single data sheets for a technical insight.

New roof exhaust unit TP series in CC
Roof ventilation system

New roof exhaust unit TP series in CC

Fandis has developed a new energy-saving roof ventilation solution, expanding the range of plastic towers with 24 and 48V DC powered models. Visit the dedicated section for more information