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Thunder: the full inverter reversible R290 heat pump from 40 to 85 kW

Thunder is the newest solution from Clivet, designed with full-inverter technology on latest-generation scroll compressors and axial fans.

It offers maximum energy efficiency and thanks to the use of R-290, a natural and ecological refrigerant (GWP = 3) that can be used in the long term as it is fully compliant with the European regulation on fluorinated F-Gas (517/2014), it contributes to the reduction of the direct and indirect greenhouse effect.

Thunder is available in the 40 to 85 kW capacity range and is characterised by high performances, application versatility and extended operating limits.

The unit achieves outstanding performances for medium temperature applications: with a seasonal efficiency in heating SCOP (W55) up to 3,63 the unit far exceeds the minimum requirements of the Ecodesign (ErP) directive.

The Thunder guarantees heating, cooling and domestic hot water production up to 75°C and an operating range in heating from -20°C to +42°C ambient air.

Thunder is perfect both for meeting the minimum requirements for new buildings and for use in refurbishment due to its ability to produce hot water at high temperatures, making it suitable for use as an alternative and replacement for boilers, in combination with classic radiator systems. Thanks to the careful design, the unit delivers a heat capacity very close to the nominal data, even at very cold outside air temperatures.

Thunder offers three acoustic levels, without varying the size of the unit:

  • Acoustic configuration with compressor soundproofing (SC): basic version;
  • Silenced acoustic configuration (LN): from -2 to -4 dB (A) less compared to SC version;
  • Super-silenced acoustic configuration (EN): from -6 to -10 dB (A) less compared to SC version

Thunder is designed in full compliance with European safety standards, and additional safety measures such as the ATEX gas leak detector sensor and extraction fan are installed as standard. All components are suitable for the use of R-290 refrigerant.

Thunder is designed for modularity and dedicated hydraulic connections simplify and speed up the installation phase. Up to 6 units can be hydraulically connected in parallel and up to 16 units can be managed in a local network. Thunder has the highest power/footprint ratio on the market for this type of product due to the possibility of close installation between several modules.

Combinations can also take place between units of different power ratings, and the system obtained by combining several modules retains the strengths of the single module but multiplies its advantages: greater reliability, simplified handling and installation, quick and easy maintenance, scalability, and redundant operation.

Product manager Giuseppe Barreca commented: “Thunder is the optimal solution for pursuing the European decarbonisation goals of the coming years. Thanks to the use of an ultra-low GWP refrigerant such as propane (R-290), and the very high levels of efficiency obtained by adopting full-inverter technology, the unit contributes to the reduction of both direct and indirect greenhouse gas emissions, while guaranteeing maximum comfort and application flexibility.”

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