Daikin High Temperature Heat Pump

Mechanical Installations

Daikin Europe Lifts Patents On R32 in VRF Systems

Brussels, 1 July 2022 – Daikin Europe N.V. released its ‘HFC-32 PATENT NON-ASSERTION PLEDGE’ which will provide free access for the entire market to Daikin Europe’s 30 patents related to VRF systems combined with HFC-32 (R32) refrigerant. Providing this free access will further promote the use of the non-blended, single-component HFC-32 refrigerant in VRF systems, which has a lower global warming impact than R410A, the refrigerant conventionally used in VRF systems.

The decision of Daikin to provide free access to its patents happens against the background of global attempts to reduce the impacts of HFCs on global warming, especially now that the Kigali Amendment to the Montreal Protocol*1 is being translated into actual country regulations. For the European Union, the European Commission is currently considering an update of the existing F-Gas Regulation, which might result in stricter requirements for the use of refrigerants. Also VRF systems will be subject to the new regulation, if it comes into effect. VRF systems heat and cool large buildings such as offices, schools, hospitals and so on. To do this, multiple indoor units are connected to a single outdoor unit, and a closed refrigerant circuit flexibly moves through the system, allowing individual temperature control throughout the rooms of a building. The HFC refrigerant conventionally used in VRF systems is R410A.

The F-Gas regulation will force air conditioning and heating manufacturers to choose a refrigerant with a lower GWP. HFC-32 can provide a VRF solution with such a lower GWP refrigerant. This is where free access to Daikin’s patents can accelerate the adoption of HFC-32.

Mechanical Installations

‘Daikin comprehensively evaluates a wide variety of refrigerants and promotes the selection of the appropriate refrigerant for each application, and currently considers HFC-32 to be the most suitable refrigerant for VRF systems.’, says Martin Dieryckx, General Manager Environmental Research Center. ‘HFC-32 has many advantages that can help reduce the environmental impact of air-conditioning. HFC-32 is a non-ozone depleting refrigerant and its GWP is one-third*2 of conventional R410A refrigerant. It provides excellent system performance and is readily available. As a single-component refrigerant, it is easy to recover, recycle and reclaim, which reduces the need for additional production of virgin refrigerant.’

Kazuhide Mizutani, General manager of EMEA Research Center, says ‘The patents that Daikin Europe pledged not to assert include those relating to the control of compressor rotation speed and safety systems such as refrigerant leakage sensors. The Pledge will make it easier for other air conditioning and heating manufacturers to develop VRF systems using HFC-32. Furthermore, promoting the installation of safety systems in equipment reduces the burden on air-conditioning installers to inspect equipment.’

Daikin Industries, the mother company of Daikin Europe, has pledged the non-assertion of the patents in relation to applicable air conditioning equipment using HFC-32 from 2019 in order to contribute to the environment. Apart from Daikin Europe’s patents,  the company simultaneously pledged today the non-assertion of the new 90 patents. Daikin Group aims to make further environmental contributions worldwide. A list of the pledged patents and the specifics regarding the pledge is available here.

 

 

 

Via Daikin Europe

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    The Perfect Climate For A Good Night’s Sleep

    Have you ever woken up with a dry mouth and a sore throat? Humidity levels in your bedroom are likely to have fallen below the internationally accepted threshold for a healthy indoor climate. But what exactly is the threshold? And how do you create the perfect atmosphere for a good night’s sleep?

    Why does humidity matter?

    Humidity is the concentration of water vapor in the air. The humidity level in your home can affect your personal health in many ways. Excessively high humidity, for example, is associated with higher concentrations of allergens, while exposure to excessively low humidity can cause health problems such as dry skin, itchy eyes and sore throat. Maintaining healthy humidity levels is important to make the bedroom a comfortable space and ensures a healthy sleep cycle for rejuvenation.

    How can I ensure the perfect climate?

    Humidity levels are usually measured by the relative humidity which is the ratio of water vapor in the air to the amount of vapor that can be present in the air at a given temperature. The best relative humidity for sleep has been a topic of discussion but most studies agree that the best indoor relative humidity is between 40 and 60%. If you usually wake up with a sore throat and dry eyes, the relative humidity level in your bedroom may have dropped well below the 40% threshold.

    Ensuring a perfect indoor climate can be a challenge. In climates with extremely high humidity levels, it is a good idea to install an air conditioning system with a built-in dehumidifier . These systems automatically detect values ​​that exceed the preferred humidity level (usually starting at 60 ° C) and extract moisture from the air to achieve healthy humidity levels.

    For extremely low humidity levels, installing an air purifier with a built-in humidifier can help achieve a healthier, more comfortable indoor climate. For example the ionizer with Daikin humidification function, injects moisture into the air when the relative humidity falls below the preferred level (usually starting at 40%) to maintain a healthy humidity level. Daikin air purifiers also minimize asthma and allergy symptoms by removing dust particles and pollen from the air, and Streamer technology keeps the air healthy and clean by eliminating allergens, eliminating bacteria and removing odors. This cleaning element separates ionizers with a humidification function from traditional humidifiers as traditional humidifiers tend to accumulate pollutants instead of eliminating them, allowing them to continue to reproduce and possibly cause disease. And what about the noise? The Daikin humidifier with built-in humidifier is extremely quiet thanks to a new innovative device and a state-of-the-art quiet operation, making it one of the quietest series of air purifiers on the European market. The perfect solution for a good night’s sleep while at the same time staying healthy, refreshed and feeling comfortable.

     

    Via Daikin Europe

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      Daikin Altherma 3 H HT High Temperature Heat Pump

      Daikin Altherma 3 H HT is an investment in comfort and energy savings. This air-to-water heat pump delivers heating, cooling and instant hot water—and uses less energy to do it. This system is ideal for homeowners who want to upgrade their boiler or traditional heating system to a greener and more cost-effective solution.

      Ideal to replace oil boilers

      Daikin Altherma 3 H HT is a high temperature heat pump, able to deliver a leaving water temperature of 70 °C. Thanks to this operation range, the unit can replace oil boilers in older houses. Traditional radiators can also stay in place, but more recent radiators could be a good option in order to make further energy savings.

       

      Suitable for large new buildings. With a capacity range going from 14 to 18 class, Daikin Altherma 3 H HT can answer the needs of large new buildings.

      Made in Europe, for Europe

      European weather can be tough sometimes. That’s why we designed the Daikin Altherma 3 H MT & HT.

      Heating capacities are also maintained high by low ambient temperature thanks to genuine Daikin technology.

      As the market leader, Daikin is always striving to make the most reliable and efficient heat pumps possible. Daikin developed the Bluevolution technology to achieve higher and greener performance. This technology is now part of all new products. The Daikin Altherma 3 H HT was the first Daikin outdoor unit with a distinctive design. Its single fan reduces the noise level and its black front grillemakes the unit fit into any environment. All these dedicated components were developed in-house to make the quintessence of heat pump unique.

      Superior performance, renewable energy use, design and acoustic comfort.

      Timeless design and space-saving installation

      Aside from the acoustic comfort, design is a decisive point nowadays. Specific attention was paid to making the outdoor unit blend in with your home. The black front grille stretches horizontally making the fan inside invisible.

      The mat grey casing reflects the colour of the wall behind for more discretion. This unit received the IF and reddot design awards 2019. The Bluevolution technology combines a specifically developed compressor and the R-32 refrigerant. Daikin is one of the pioneers in the world to launch heat pumps equipped with R-32. With a lower Global Warming Potential (GWP), the R-32 is equivalent in power to standard refrigerants, but achieves higher energy efficiency and lower CO2 emissions. Easy to recover and re-use, R-32 is the perfect solution to attain the new European CO2 emission targets.

      The Bluevolution technology combines a specifically developed compressor and the R-32 refrigerant. Daikin is one of the pioneers in the world to launch heat pumps equipped with R-32. With a lower Global Warming Potential (GWP), the R-32 is equivalent in power to standard refrigerants, but achieves higher energy efficiency and lower CO2 emissions. Easy to recover and re-use, R-32 is the perfect solution to attain the new European CO2 emission targets.

      Silence rhymes with comfort

      The Quintessence of heat pump has been designed to reduce its acoustic level and meet the expectations of today’s society. In standard sound mode, the unit produces a sound pressure of 38 dBA at 3 metres, so somewhere between birds chirping and the inside of a library. The unit also offers greater flexibility by having a low sound mode that reduces the sound pressure at 3 metres to 35 dBA, representing a real reduction of half the sound level!

      The acoustic level can be evaluated in two ways

      › The sound power is generated by the unit itself, independently of distance and environment

      › The sound pressure is the sound perceived at a certain distance. The sound pressure is usually calculated at between 1 and 5 metres from the unit.

      One solution, multiple combinations

      The Quintessence range can be combined with three different indoor units to connect to the outdoor unit, offering specific features to ensure heating, cooling and domestic hot water in your home.

      Outdoor unit

      The outdoor unit is available in 6 classes 8-10-12-14-16-18 kW.

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