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Heating with Natural Heat

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Heating with Natural Heat Heating with natural heat 2/3 Heat pumps heat and cool with renewable energy from nature This brochure provides detailed information about sustainable and environmentally responsible heat production using heat pumps from Viessmann. Heat pumps utilise renewable energy from the ground, groundwater or the air. They lower consumption of fossil fuels, conserve valuable resources and reduce CO2 emissions that damage the environment. By using this technology, system users benefit from a further advantage: some Viessmann heat pumps also feature active and natural cooling functions. Alongside their classic application as heat sources on cold days, they can also create a pleasant room climate in summer by bringing refreshing cool air into the house. The extensive product range offers the right heat pump to suit all requirements. Even at the planning stage, structural and geological conditions, as well as personal and individual preferences concerning heat demand can be taken into account. What’s more, this isn’t just suitable for new build. Viessmann heat pumps can be used equally well in modernisation projects, operated with solar thermal systems or combined with an existing oil or gas heating system to form a multi mode system. Contents Compliant scroll compressor 4/5 About this brochure Heat pumps from Viessmann offer tailor-made solutions for central heating and convenient hot water supply, for both new build and modernisation. Saving energy and protecting the climate from page 6 By modernising the heating system, the system user makes an active contribution towards protecting the climate and saving fossil fuels. Heating with heat pumps from page 10 Viessmann heat pumps utilise the potential heating energy that nature has provided, in the form of geothermal heat, groundwater or air, which are available free of charge. Cooling with heat pumps from page 58 With the natural and active cooling functions, a heat pump can also be used to cool living spaces. Most Viessmann heat pumps are already equipped with this function. Domestic ventilation system from page 62 An efficient domestic ventilation system does not just ensure fresh air and a pleasant atmosphere – it even protects the fabric of the building, and recovering latent heat via the ventilation system saves energy. A perfect match: System technology from page 74 Advanced system technology has the heating system under control. Individual control options via mobile phone, internet and PC allow you maximum operating convenience and economical operation. Service for every aspect of heating from page 82 Viessmann's trade partners in the heat pump trade offer non-binding and free information regarding tailor-made heating technology for new build and modernisation, as well as subsidy and finance options. Introduction 6/7 Saving energy and protecting the climate Viessmann is aware of its responsibility for sustained protection of the environment. Our company philosophy and products have been constructed with this duty in mind. "Nothing is so good that it cannot be Heat from nature Viessmann offers energy efficient improved". This motto is also reflected Heating from Viessmann heating systems for oil, gas, solar, biomass and natural heat. The in our company principles. In this industry, Heat pumps should be your first choice if your pictograms are designed to aid Viessmann can rightfully claim to be the priorities are both to save on heating costs orientation when selecting a leader in quality and technology, and as and to generate heat in an environmentally system. such, aims to continually set new standards. responsible way. After all, the environment gives us an unlimited and free supply of the Of course, this applies in particular to energy a heat pump uses. This fully-fledged the company's product range, which is heating system only consumes little consistently geared towards significantly power for drives and pumps to make that lowering the consumption of fossil fuels, energy available. A heat pump makes you and gradually replacing them with renewable independent of fossil fuels, and in addition sources of energy. makes an active contribution towards reducing CO2 emissions and protecting At around 40 percent, the heating market the climate. actually accounts for the largest proportion of energy consumption in Germany. The rest As a pioneer in the field of standard heat is shared by "goods transport", "personal pumps, Viessmann has been setting transport" and "power", with 20 percent each. standards in efficient utilisation of energy These are values that can also be applied and longevity of service life with its advanced approximately to other industrial countries. systems for 30 years. This means the system Ever-rising energy costs mean that the user also benefits from Viessmann's many emphasis is on reducing the consumption of years of experience as a supplier of fossil fuels as quickly as possible and utilising comprehensive heating systems. these fuels with greater efficiency. Whether for modernisation or new build: Viessmann always has the right solution! Introduction Simple principle, great result A heat pump works in a similar way to a fridge – simply the other way round. In a fridge, heat is transferred from the inside The gas created is compressed by the scroll to the outside. With a heat pump, this compressor, which causes it to heat up. The happens exactly the other way round. Heat gas heated in this way transfers its heat via from the air or the ground is transferred the condenser to the heating water or DHW into the living space via the heating system. heating system, and thereby condenses Vapour from a refrigerant is compressed to again. Finally, the refrigerant, which is still increase the temperature, to make it high under pressure, is expanded in an expansion enough for central heating and DHW heating. valve, and the circuit begins again. In this process, the Vitocal 350-G reaches up to 72 °C; the Vitocal 350-A up to 65 °C. A heat pump can make use of the These heat pumps can therefore also be following energy sources: used for modernisation as they can provide a sufficiently high flow temperature for central Air – practically unlimited availability; heating with radiators. lowest investment costs Ground – via geothermal collector or Highly efficient scroll compressor geothermal probe; very efficient The compression process is vital for Water – extremely efficient; observe the efficiency of a heat pump. For this, water quality Viessmann uses a Compliant scroll Waste heat – subject to availability, volume compressor. It is characterised by quiet and temperature level of the waste heat operation, low vibrations, low maintenance and an extremely long service life. The best heat source for each individual case depends on local conditions and the actual To generate heat, for example, heat is heat demand. extracted from the ambient air and used to evaporate a refrigerant that boils at Seasonal performance factor low temperature. The coefficient of performance (COP) is the ratio of the heat transfer to the power consumption. The seasonal performance factor is the average of all COPs occurring in a year. Heat pump VITOCAL 300 The coefficient of performance is used to compare heat pumps with regard to efficiency, yet it only applies at a certain operating point under defined temperature Compression process conditions. For planning (for example, to be able to 55 °C specify the consumption costs arising from using a heat pump), it is necessary to consider the heat pump operation over the whole year. For this, the heat volume transferred over the year is given in relation to the overall electrical Ground power drawn by the heat pump system over temperature all year round between 5 and 18 °C (at 2 m depth) the same period. This includes the amounts of power used by pumps, control units, Getting hotter towards the centre – from an initial etc. The result is given as the seasonal temperature of between 5 and 18 °C, a flow temperature performance factor. of up to 72 °C is achieved. 8/9 Ground source (collector) Ground source (probe) 2 2 1 1 3 3 1 2 1 Vitocal heat pump 2 DHW cylinder Vitocal heat pump DHW cylinder 3 3 Heating water buffer cylinder Heating water buffer cylinder Ground source (groundwater) Air source 2 2 1 1 3 3 1 Vitocal heat pump2 DHW cylinder 1 Vitocal heat pump2 DHW cylinder 3 Heating water buffer cylinder 3 Heating water buffer cylinder Heat pumps 10/11 VITOCAL As a homeowner, it is easy to become frustrated at the constantly rising prices of fossil fuels. Why not make yourself independent of them, by relying on proven technology instead? Vitocal heat pumps from Viessmann utilise Vitocal is always the right choice the natural heat from the environment. It is Compared to conventional heating systems, unlimited and free. This heating technology Vitocal heat pumps have many advantages: is amongst the most economical and clean Utilising environmentally responsible of all options for heat production. To ensure energy from natural heat that this remains the case and that heat No combustion of fossil fuels pump technology is continuously improved Greater independence from rising and therefore becomes even more efficient, energy prices Viessmann is putting innovative development Optimum combination with solar and improvement at the top of its list. technology Milestones in Viessmann heat pump development 2010 2011 Split heat pumps 2009 with DC inverter technology 3D sound concept for 2007 low noise emissions 2008 Stratified heating with PW modulation Refrigerant distribution
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