Heating with natural heat

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1 Heating with natural heat

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3 2/3 Heat pumps: Heating and cooling with natural energy The purpose of this brochure is to give you detailed information about one of the most futureproof and environmentally responsible heat sources that exists Viessmann heat pumps. Whether you want to use energy from the ground, groundwater or the air, with a heat pump you will definitely reduce your consumption of fossil fuels, protect valuable resources and lower emissions. However, the environmentally responsible operation of Viessmann heat pumps doesn't just provide benefits in one direction. If you burn less oil, gas or wood, your fuel costs are naturally reduced as well. Additional benefit: Viessmann brine/water heat pumps have an additional "dual function" benefit. They provide heat in winter and ensure a pleasant atmosphere in summer. With the natural cooling function, they bring a refreshing change of air into the house on hot days. Our wide product range offers you the right heat pump, whatever your needs depending on your own particular plans, your heat demand, and structural and geological conditions. What's more, this isn't just suitable for new build. You can also use a Viessmann heat pump in a modernisation project, and combine it with an oil or gas heating system if you wish.

4 Contents Compliant scroll compressor

5 4/5 About this brochure The Viessmann heat pump range offers tailor-made solutions for everyone who considers environmentally responsible operation and independence from fossil fuels important in central and DHW heating. Saving energy and protecting the climate from page 6 Find out why it is worth modernising your heating system now, so you can make an active contribution towards protecting the climate and use less fossil fuel. Heating with heat pumps from page 10 With a Viessmann heat pump, you utilise the potential heating energy that nature has placed on your doorstep. Geothermal heat, groundwater or air are available free of charge. Cooling with heat pumps from page 44 With the natural cooling/active cooling functions, you can also use the heat pump to cool your house on hot days. Furthermore, most Viessmann heat pumps are already equipped with this function. Domestic ventilation system from page 48 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 Vitovent 300 saves energy. A perfect match: System technology from page 56 Use the most advanced system technology to control your heating system. Individual control options via mobile phone, internet and PC allow you maximum operating convenience and economical operation. Accessories everything from a single source from page 62 You can trust Viessmann quality when it comes to accessories too. The comprehensive Vitoset programme includes a wide range of radiators, underfloor heating systems, and much more. Service for every aspect of heating from page 64 Make the most of our trade partners. They will tell you all you need to know about tailor-made heating technology, subsidy opportunities and financial options, without obligation and free of charge.

6 Introduction

7 6/7 Saving energy and protecting the climate Viessmann is aware of its responsibility for sustained protection of the environment. Its company philosophy and products focus on this. "Nothing is so good that it cannot be improved." This maxim is at the heart of the company's principles. In this industry, Viessmann can rightfully claim to be the leader in quality and technology, and as such, aims to continually set new standards. Of course, this applies in particular to the company's product range, which is consistently geared towards significantly lowering the consumption of fossil fuels, and gradually replacing them with renewable sources of energy. At around 40 percent, the heating market actually accounts for the largest proportion of energy consumption in Germany. The rest is shared by "goods transport", "personal transport" and "power", with 20 percent respectively. These are values that can also be applied, to some extent, to other industrial countries. Ever-rising energy costs mean the emphasis is on reducing the consumption of fossil fuels as quickly as possible and utilising these fuels as efficiently as possible. Natural heat The heating system from Viessmann Heat pumps should be your first choice if your priorities are both to save on heating costs and to generate heat in an environmentally responsible way. After all, the environment gives us an unlimited and free supply of the energy a heat pump uses. This fully competent heating system requires only the costs of electricity for the drive and pump. This makes you independent of fossil fuels, and in addition you make an active contribution towards reducing CO 2 emissions and protecting the climate. As a pioneer in the field of standard heat pumps, Viessmann has been setting standards in efficient energy utilisation and long service life for 30 years with its advanced systems. This means you also benefit from its many years of experience as a supplier of comprehensive heating systems. Whether for modernisation or new build: Viessmann has the right solution for you, too! Viessmann offers you energyefficient heating systems for oil, gas, solar, biomass and natural heat. The pictograms will help to guide you.

8 Introduction Simple principle, great result The technical principle of a heat pump is similar to that of a fridge it just works the other way round. In a fridge, heat is transferred from the inside to the outside. With a heat pump, this happens exactly the other way round. The heat from outside e.g. from the ground is transferred via the heating system to the inside, into the living space. To raise the temperature, a refrigerant vapour is compressed until the temperature for central and DHW heating is reached. With the Vitocal 300-G and Vitocal 350-A, this can even be up to 65 C. This means this heat pump can also be used for modernisation projects. Very efficient scroll compressor The compression process is vital for the efficiency of a heat pump. Viessmann uses a Compliant scroll compressor that comprises two interlinking scrolls that continually compress the refrigerant. As with a bicycle pump, the temperature also rises with the pressure. This ensures efficient temperature raising from the cold side (the heat source on the outside) to the hot side (the heating circuit in the building). The benefit of Compliant scroll compressors as used by Viessmann is that they operate quietly and with low vibrations, are maintenance free and extremely durable. You won t need to worry about heating bills any more An investment in a Viessmann heat pump will always be worthwhile because you won't have to pay for any more fuel from day one. From now on, the energy you use to generate heat comes free, from right outside your door. Furthermore, the power needed to use this free fuel is very efficiently used. From one kilowatt of power, a heat pump can generate between 3 and 4 kw of heat. A heat pump can make use of the following energy sources: Heat pump Air: Practically unlimited availability; lowest investment costs VITOCAL Compression process Ground: Via geothermal collector or geothermal probe; very efficient 65 C Water: Extremely efficient; observe water quality Ground Temperature all year round between 5 and 18 C (at 2 m depth) Getting hotter towards the centre from an initial temperature of between 5 and 18 C, a flow temperature of up to 65 C is achieved. Waste heat: Subject to availability, volume and temperature level of the waste heat The best heat source for each individual case depends on local conditions and the actual heat demand.

9 8/9 Ground source (collector) Ground source (probe) Vitocal heat pump 2 DHW cylinder 1 Vitocal heat pump 2 DHW cylinder 3 Heating water buffer cylinder Ground source (groundwater) Air source Vitocal heat pump DHW cylinder Vitocal heat pump DHW cylinder Heating water buffer cylinder

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11 Heat pumps 10/11 VITOCAL You can either get annoyed about ever-rising energy prices or make yourself independent of fossil fuels, relying on highly developed technology instead. Vitocal heat pumps from Viessmann utilise the unlimited, free natural heat in the environment, making this heating technology amongst the most economical and clean of all options for heat generation. To ensure that this remains the case and that heat pump technology is continuously improved and therefore becomes even more efficient, Viessmann is putting innovative development and improvement at the top of its list. Only when the customer is satisfied with Viessmann heat pumps can the company be satisfied too. The right decision with Vitocal Compared to conventional heating systems, Vitocal heat pumps have many advantages: Utilising environmentally responsible energy from natural heat No burning of fossil fuels Greater independence from rising energy prices Optimum combination with solar technology Attractive subsidies through government programmes Milestones in Viessmann heat pump development First weathercompensated heat pump control unit for mono and dual mode systems (Oktamatik) 1996 HxR heat exchanger with swirl vane in the refrigerant circuit Patent 1998 Heat pump control unit with integral natural cooling function First standard production 2002 Passive house compact appliance Vitotres Heat pump with 65 C flow temperature with EVI process In-house development, first standard heat pump Coated evaporator, protected against corrosive media In series production since 2005 in all air source heat pumps Refrigerant distribution appliance Utility patent RCD system Patent applied for Electronic expansion valve (EEV) In series production in all 300 series models Energy statement Part of the RCD system First modulating air source heat pump with a COP of 3.8 with air 2 C / water 35 C and digital scroll technology 3-D sound insulation concept for low noise emissions Target temperature loading with PW modulation Series production in heating centres High efficiency pumps In the 300 series Integral operating manual

12 Product range Heat pumps 1.5 to 1500 kw VITOCAL 343-G/VITOCAL 333-G Compact heat pump (brine/water) Rated heating output: 5.9 to 10.3 kw Cylinder capacity: 220 litre, Vitocal 343-G with solar function Page 14 For new builds Detached houses VITOCAL 300-G Single stage brine/water heat pump Rated heating output: 6.2 to 17.6 kw Single stage water/water heat pump Rated heating output: 8.0 to 21.6 kw Page 18 For new build and modernisation Detached houses/apartment buildings VITOCAL 300-G Two-stage heat pump (master/slave) Brine/water heat pump: 12.4 to 35.2 kw Water/water heat pump: 16.0 to 43.2 kw Page 18 For new build and modernisation Detached houses/apartment buildings, commercial buildings VITOCAL 300-G Single stage brine/water heat pump Rated heating output: 21.2 to 42.8 kw Single stage water/water heat pump Rated heating output: 28.1 to 58.9 kw Page 22 For new build and modernisation Detached houses/apartment buildings, commercial buildings VITOCAL 300-G Two-stage heat pump (master/slave) Brine/water heat pump: 42.4 to 85.6 kw Water/water heat pump: 56.2 to kw Page 22 For new build and modernisation Detached houses/apartment buildings, commercial buildings VITOCAL 350-A Air/water heat pump (external/internal installation) Rated heating output: 10.6 to 18.5 kw Page 24 For new build and modernisation Detached houses/apartment buildings

13 12/13 VITOCAL 300-A Air/water heat pump (external/internal installation) Rated heating output: 3.0 to 9.0 kw, modulating COP: 3.8 (air 2 C/water 35 C) to EN COP: 4.4 (air 7 C/water 35 C) to EN For new builds Detached houses, dual mode systems Page 28 VITOCAL 242-G/VITOCAL 222-G Compact heat pump (brine/water) Rated heating output: 5.9 to 10.0 kw Cylinder capacity: 170 litre, Vitocal 242-G with solar function Page 32 For new builds Detached houses VITOCAL 200-G Brine/water heat pump Rated heating output: 6.4 to 9.6 kw Page 36 For new builds Detached houses VITOCAL 160-A DHW heat pump 1.52 kw Cylinder capacity: 285 litre, with and without ventilation function Page 42 For new build and modernisation Detached houses Group Heat pumps Up to 1.5 MW For heating and/or cooling operation

14 Heat pumps Vitocal 343-G Vitocal 333-G

15 14/15 VITOCAL 343-G VITOCAL 333-G NC VITOCAL 333-G System solutions for detached houses: Vitocal 333-G, the compact brine/water heat pump with a DHW cylinder, Vitocal 333-G NC including all components for natural cooling, Vitocal 343-G, including the option to connect to a solar thermal system. The innovative RCD (Refrigerant Cycle Diagnostic) system for particularly precise control of the refrigerant circuit with an electronic expansion valve enables high COP figures of up to 4.7 to be achieved in the compact appliances Vitocal 343-G and Vitocal 333-G (in accordance with DIN EN with brine 0 C/water 35 C). An application for an innovation bonus can therefore also be made to the Federal Office of Economics and Export Control (BAFA) in the context of the Top incentive programme. Energy saving high efficiency DC pumps in accordance with Energy Label A for the brine and heating circuit ensure low consumption costs for auxiliary energy in all three compact appliances, and therefore high seasonal performance factors. With solar cylinders or natural cooling, Vitocal 343-G is prepared for the connection of a solar thermal system for DHW heating. A generously sized solar cylinder with a 220 l capacity and a solar control unit have been integrated into the appliance for this purpose. In the compact Vitocal 333-G, a DHW cylinder with a 170 l capacity ensures a convenient supply of DHW. For particular comfort on hot summer days, the Vitocal 333-G is also available in a version with an integral natural cooling function. Vitocal 343-G and Vitocal 333-G have been tested to the EHPA heat pump quality seal.

16 Heat pumps Vitocal 343-G Vitocal 333-G Three versions for flexible application The compact heat pumps Vitocal 343-G and Vitocal 333-G are available in three versions: with and without solar connection, as well as with integral cooling function NC (natural cooling). DHW cylinders with 170 litre capacity (solar version with 220 l) are integrated to safeguard high DHW convenience. At the core of the appliance is a newly developed high efficiency heat pump module. Subsidies through innovation bonus These compact appliances are highly efficient thanks to the new refrigerant circuit with electronic expansion valve (EEV) and the Viessmann-developed RCD (Refrigerant Cycle Diagnostic) systems plus the standard energysaving DC pumps. This is reflected day by day and year by year in high seasonal performance factors and low consumption costs. Small footprint With their space saving designs, the Vitocal 343-G and Vitocal 333-G are particularly suitable for anywhere where space is restricted. The brine and heating circuit pumps and the three-way diverter valve are already integrated inside the compact casing that completely protects the cooling module/hydraulic compartment from the outside environment and, in conjunction with the new three-dimensional anti-vibration mounts, minimises operating noise. These compact heat pumps are some of the quietest in their category, as they only generate 38 db(a) at 0/35 C. For easier handling, the height of the unit was reduced and the body designed to split into sections. Variable connection accessories supplied ex works make the heat pump installation easier. Extremely easy to operate Like all our compact appliances, the Vitocal 343-G and Vitocal 333-G, too, are equipped with the new user-friendly Vitotronic control unit. If in doubt, help is available at the push of a button. The graphic interface will also display heating curves and solar yield The programming unit of the Vitotronic control unit can be removed from the front of the appliance and be replaced with an external programming unit available as an accessory and a restrictor. A five metre long power cable enables the external programming unit to be mounted almost anywhere in a convenient position on a wall mounting base. Always accessible Subject to demand, the new Vitotronic control unit can be fitted with convenient communication technology. From Vitocom 100 to Vitocom 300, versatile remote monitoring and remote control options are available wherever you are. 4 5 Vitocal 333-G 6 1 DHW cylinder, 170 litre capacity 2 Heat pump control unit Vitotronic Heat exchanger for cylinder heating 4 Primary pump (high efficiency DC pump) 5 Secondary pump (high efficiency DC pump) 6 Hermetically sealed Compliant scroll compressor

17 16/17 The compact heat pumps Vitocal 343-G and Vitocal 333-G contain everything you need for central heating and DHW heating. Take advantage of these benefits The new Vitotronic control units with large multi-line plain text graphic display can also indicate the solar yield, for example. Compact brine/water heat pumps with heating outputs from 5.9 to 10.3 kw High Coefficient of Performance: COP value to EN up to 4.7 (brine 0 C/ water 35 C) (COP = Coefficient of Performance) High DHW convenience through an integral DHW cylinder with a 220 litre capacity in the Vitocal 343-G (Vitocal 333-G with a 170 litre capacity) Maximum flow temperature of up to 60 C for high DHW convenience Economical high efficiency DC pump inside (Energy Label A) Very quiet thanks to a new sound insulation concept resulting in a sound power level of 38 db (A) at 0/35 C New Vitotronic control unit that is easy to operate with plain text display The programming unit that is part of the control unit can also be fitted on a wall mounting base Ready to connect, ex works Easy handling through reduced height and split casing Convenient and compact through integral cooling function NC (natural cooling) for the Vitocal 333-G Highest subsidies and low running costs Can be extended with convenient communication technology For specification see page 52

18 Heat pumps Vitocal 300-G

19 18/19 VITOCAL 300-G With the Vitocal 300-G, you utilise the renewable heat from the ground or groundwater and do so in a tiny space, because this heat pump is designed to be particularly compact. Inside the casing of models BWC/WWC, the circulation pumps for the brine circuit and the heating circuit, as well as the three-way diverter valve, are already integrated. The Vitocal 300-G ground source heat pump is specifically designed for detached houses. It utilises heat that's right on your doorstep. What's more, you call the shots, selecting the output from 6.2 to kw, making it both efficient and effective. So your central and DHW heating needs will be reliably and conveniently covered. Heat from the ground or groundwater You can choose how you get heat from the ground with the brine/water version. This is done either via a geothermal probe or via a geothermal collector laid at a depth of approx. 1.5 m. In both cases, the heat pump covers the entire energy demand, even on colder days. Subject to the location of your house, it may also be possible to utilise the latent heat in groundwater. For this, the Vitocal 300-G is simply converted to operate as a water/water heat pump and delivers the highest COP in this operating mode. Tightly packed performance The Vitocal 300-G (type BWC/WWC) proves its worth through its particularly compact design. It contains everything including circulation pumps for brine and heating circuit. Also supplied as standard: a safety assembly with safety valve, pressure gauge and air vent valve. The clever integration of these components saves space and already covers all the most important applications. An electric booster heater is available as an accessory. Greater heat demand? No problem for the Vitocal 300-G For buildings with a very high heat demand, the two-stage Vitocal 300-G based on the master/slave principle is the right choice. It achieves a heating output of 12.4 to kw. Here, you also have the choice between the groundwater or the ground as the heat source. Vitocal 300-G is certified in accordance with the EHPA heat pump quality seal and NF-PAC.

20 Heat pumps Vitocal 300-G Simple user interface: The digital WPR 300 control unit with user prompts displays an overview of the system configuration with temperature details. In addition, it enables remote monitoring and remote control with Vitocom and Vitodata. Powerful, quiet and reliable The heart of the Vitocal 300-G is its powerful Compliant scroll compressor. It convinces through excellent reliability, safety and particularly quiet operation, thanks, in part, to the hermetic seal and dual anti-vibration mounts. At the same time, the Compliant scroll compressor ensures the highest performance factors and flow temperatures up to 65 C. Environmentally responsible in every respect Not only when it comes to the utilisation of renewable energy is the Vitocal 300-G set up for a fully environmentally responsible operation. It also uses a refrigerant, i.e. R 407 C, that is CFC-free, non-flammable and biologically degradable. you can link several separate heat pumps via the heating flow and return. This does not just deliver the higher heat output, but also increases the operational reliability of the entire system. The modular construction with separate compressor circuits also ensures particularly high efficiency in the partial load range, and enables simultaneous operation of central and DHW heating. RCD supplies as much heat as you need RCD stands for Refrigerant Cycle Diagnostic system. In the Vitocal 300-G, it continuously monitors the refrigerant circuit and, in conjunction with the electronic expansion valve, ensures the highest level of efficiency at every operating point. The energy statement to receive subsidies is already integrated. 1 Backup from the sun An advanced heating system should include innovative solar technology. To make use of solar energy to back up your heat pump. Viessmann offers you a system that is a perfect match for the Vitocal 300-G. Perfect for higher output levels too Even for greater heat demand, the Vitocal 300-G is the right choice, because Modular solution for higher heat demand With six output sizes as a master or slave version, various combinations can be realised, precisely matched to the required heat demand. Because of this flexibility, systems can be configured so that runtimes match demand and save you money. The master module regulates the slave module. By combining different output sizes, users have the option of matching the environmentally responsible heating system to their own heat demand as, for example, in an apartment building as efficiently as possible by utilising various modules. There is also the option to equip the entire system with high efficiency DC pumps (Energy Label A) Vitocal 300-G (type BWC/WWC) 1 Safety equipment block with safety 5 6 assembly 2 Brine circuit pump 3 Heat pump control unit with user prompts WPR Large area evaporator for an efficient heat exchange 5 Hermetically sealed Compliant scroll compressor 6 Electronic expansion valve

21 20/21 Optimised control characteristics and therefore reduced consumption costs the Vitocal 300-G is equipped with an electronic expansion valve that ensures particularly high seasonal performance factors. Take advantage of these benefits Two-stage heat pump Vitocal 300-G (master/slave) a pipework set with fittings and shut-off valves is available for the hydraulic connection of the heat pump modules. Fully wired cables are used to connect the control unit. Brine/water heat pump Heating outputs, single stage: 6.2 to 17.6 kw, two-stage: 12.4 to 35.2 kw Water/water heat pump Heating outputs, single stage: 8.0 to 21.6 kw, two-stage: 16.0 to 43.2 kw High Coefficient of Performance: COP value to EN up to 4.7 (brine 0 C/ water 35 C) (COP = Coefficient of Performance) Mono-mode operation for central and DHW heating Quiet operation through hermetically sealed Compliant scroll compressor and sound insulation With 65 C flow temperature, suitable for radiator and underfloor heating Heat pump control unit with user prompts for weather-compensated heating operation and natural cooling or active cooling Vitocal 300-G: brine pump, heating circuit pump and safety assembly are integrated (type BWC and WWC) Optional temporary installation of an electric booster heater, for example for screed drying Convenient for applying for subsidies due to integral energy statement For specification see page 52

22 Heat pumps Vitocal 300-G The Vitocal 300-G is tested in accordance with the EHPA heat pump quality seal. The Vitocal 300-G is specifically designed for detached houses and apartment buildings. It utilises heat that's right on everyone's doorstep. What's more, you call the shots, either with a single stage brine/water heat pump from 21.2 to 42.8 kw or with a water/water heat pump from 28.1 to 58.9 kw. For apartment buildings or applications with a very high heat demand, the two-stage Vitocal 300-G based on the master/slave principle is the right choice. It can deliver a heating output from 42.4 to 85.6 kw (brine/ water) or from 56.2 to kw (water/ water). You also have the choice between the groundwater or the ground as your preferred heat source. Where this output is still not enough, the cascade function integrated into the control unit enables output to be raised up to kw (water/water). Powerful and reliable The heart of the Vitocal 300-G is its powerful Compliant scroll compressor. This convinces with a high degree of operational safety and reliability. The Vitocal 300-G, in conjunction with the large heat exchangers and the integral refrigerant manifold achieves high COPs and flow temperatures up to 60 C. 1 High output and quiet operation are not mutually exclusive The new Vitocal 300-G prove that conclusively. The hermetically sealed casing and a particularly clever design enable a reduction in noise emissions that far exceeds expectations in this output range. Environmentally responsible in every respect As well as using renewables, the Vitocal 300-G uses R 410 A, a CFC-free, non-flammable refrigerant, making it fully environmentally responsible. RCD supplies as much heat as you need RCD stands for Refrigerant Cycle Diagnostic system. In the Vitocal 300-G, it continuously monitors the refrigerant circuit and, in conjunction with the electronic expansion valve, ensures the highest level of efficiency at every operating point. The energy statement to receive subsidies is already integrated. Perfect for higher output levels too Especially for a higher heat demand, the Vitocal 300-G is the first choice, because you can link several separate heat pumps via the heating flow and return. This does not just deliver the higher heat output, but it also increases the operational reliability of the entire system. The modular design with separate compressor circuits also ensures particularly high levels of efficiency in the partial load range, and enables the simultaneous operation of central and DHW heating Vitocal 300-G 5 1 Weather-compensated, digital heat pump control unit Vitotronic 200, type WO1A 2 Condenser 3 Large area evaporator for an efficient heat exchange 4 Hermetically sealed Compliant scroll compressor 5 Electronic expansion valve

23 22/23 Two-stage Vitocal 300-G (master/slave) as a brine/water or water/water heat pump Modular solution for higher heat demand With three output sizes as a master or slave version, various combinations can be realised, precisely matched to the actual heat demand. Because of this flexibility, systems can be configured so that runtimes match demand and save you money. The master module regulates the slave module. By combining different output sizes, users have the option of matching the environmentally responsible heating system to their specific heat demand as efficiently as possible by utilising different modules. Take advantage of these benefits Brine/water heat pump Heating outputs, single stage: 21.2 to 42.8 kw, two-stage: 42.4 to 85.6 kw, maximum kw Water/water heat pump Heating outputs, single stage: 28.1 to 58.9 kw, two-stage: 56.2 to kw, maximum kw High Coefficient of Performance: COP value to EN up to 4.8 (brine 0 C/ water 35 C) (COP = Coefficient of Performance) Flow temperatures up to 60 C Mono-mode operation for central and DHW heating Low operating costs with the highest efficiency at any operating point through the innovative RCD system (Refrigerant Cycle Diagnostic system) with electronic expansion valve (EEV) Low noise and vibrations through 3-D sound concept, sound power 44 db(a) Convenient for subsidy applications: due to integral energy statement Heat pump control unit Vitotronic 200 (type WO1A) with user prompts for weather-compensated heating operation Easier handling through small and light modules For specification see page 53

24 Heat pumps Vitocal 350-A

25 24/25 VITOCAL 350-A Do you want to modernise your heating system with a heat pump, but are unable to make use of heat from the ground or groundwater? No problem with the Vitocal 350-A air source heat pump. The Vitocal 350-A air source heat pump with rated heating outputs 10.6 to 18.5 kw is particularly suitable for modernisation. Thanks to enhanced vapour injection developed by Viessmann in the compression process (EVI cycle), flow temperatures of up to 65 C are achieved even at winter outside temperatures. The new air source heat pump can therefore also be used in older heating systems with radiators. The control unit (WPR 300) of the Vitocal 350-A has an integral cascade function. This means that, in buildings with a higher heat demand, up to four air source heat pumps can be operated in a cascade. Cumulative heating outputs of up to 74 kw are therefore possible. Air source heat pump with particularly high efficiency An electronic expansion valve and RCD system also ensure an extremely high level of efficiency for the Vitocal 350-A all year round. For air source heat pumps, the Vitocal 350-A offers a high Coefficient of Performance, i.e. 3.5 (in accordance with DIN EN at air 2 C/water 35 C), resulting in high seasonal performance factors and very low running costs. Space saving thanks to outside installation The Vitocal 350-A can be installed either internally or externally. The three-stage radial fan in the heat pump, as well as the flow-optimised air routing and the sound insulated casing together make the Vitocal 350-A extremely quiet and during night operation; the variable-stage fan control unit reduces the speeds and thus the noise emissions even further.

26 Heat pumps Vitocal 350-A Ideal for modernisation The Vitocal 350-A air source heat pump makes modernising easy. The additional vapour injection in the compression process (EVI cycle) enables flow temperatures up to 65 C. That makes it an ideal choice where older heating systems with radiators are installed. The heat pump draws its energy from the ambient air without needing to drill boreholes for geothermal probes. High DHW convenience Subject to system version, a higher flow temperature enables a water temperature of up to 55 C inside the DHW cylinder. This allows the Vitocal 350-A to deliver a particularly high DHW convenience. The Vitocal 350-A achieves the high flow temperature of 65 C even at outside temperatures of -10 C. RCD guarantees efficient operation RCD stands for Refrigerant Cycle Diagnostic system. In the Vitocal 350-A, it is responsible for permanently monitoring the refrigerant circuit. This, in conjunction with the electronic expansion valve (EEV) ensures the highest efficiency at every operating point. Alongside this, important operating parameters are saved and called up, when required, for diagnosis, optimisation, energy statements and to calculate the standard seasonal efficiency. Just perfect If the heat pump is installed outside, the heat needs to be "transported" to the interior of the house. For this, you can rely on the heating competence of Viessmann. For routing underground, you can rely on Viessmann's specially matched, thermally insulated pipe systems, as well as a complete range of accessories Vitocal 350-A 1 Inlet side 2 Discharge side 3 Evaporator 4 Radial fan 5 Hermetically sealed Compliant scroll compressor

27 26/27 Persuasive inner values: The Compliant scroll compressor will win you over with its inner values of reliability, safety and quietness. Take advantage of these benefits Vitocal 350-A for internal installation Air/water heat pump, mono-mode with a heating output of 10.6 to 18.5 kw for heating and DHW heating Particularly suitable for modernisation (even for existing radiator systems) due to 65 C flow temperature, even at low outside temperatures DHW temperature subject to system version up to 55 C Low running costs thanks to a high COP value (COP = Coefficient of Performance) of up to 3.5 in accordance with EN (air 2 C/water 35 C) High efficiency all the year round at any operating point and therefore low consumption costs through the innovative RCD (Refrigerant Cycle Diagnostic) system with an electronic bi-flow expansion valve (EEV) Low operating noise through radial fan, sound-optimised design and night operation with reduced fan speed New heat pump control unit with TeleControl and remote monitoring for connection to Vitocom 100/300 and cascade function for up to four heat pumps Installation inside or outside with matching accessories Convenient for applying for subsidies due to integral energy statement For specification see page 54

28 Heat pumps Vitocal 300-A

29 28/29 VITOCAL 300-A The Vitocal 300-A opens a new chapter for modulating air source heat pumps guaranteeing the highest level of efficiency at every stage with its advanced heat pump technology. Simply taking energy out of the air and using it for central and DHW heating sounds rather tempting. However, especially in winter, i.e. precisely when the demand for heating energy is high, the outside air does not contain much energy for a heat pump to extract. However, this is no problem for the Vitocal 300-A air source heat pump. It is particularly efficient and can, even at an outside temperature of 5 C, still deliver a flow temperature of 60 C. Heating efficiently with air The Vitocal 300-A air source heat pump is extremely efficient and achieves high seasonal performance factors. It can take over both central and DHW heating so you can cross out the fossil fuel part of your household accounts right from the start. You only have to pay for the cost of electricity to operate the heat pump system. Higher convenience, lower investment To install a Vitocal 300-A air source heat pump, you won't need to invest any additional money. There is no geothermal collector to be laid or drilling work to be carried out, as is the case with geothermal probes. Depending on which version you choose, you may not need a cumbersome buffer or primary store system either, because output is matched to your needs in an optimum operating mode. Yet another benefit is that the Vitocal 300-A can be installed outside or inside, subject to the prevailing building conditions. Vitocal 300-A is certified in accordance with the EHPA heat pump quality seal and NF-PAC.

30 Heat pumps Vitocal 300-A Top technology for top performance The Vitocal 300-A is the first air source heat pump with digital scroll technology and an electronic bi-flow expansion valve. This means it achieves an extremely high COP value (Coefficient of Performance): 4.4 (at air 7 C/water 35 C), enabling exemplary high and seasonal performance factors too. What's more, this makes the Vitocal 300-A particularly reliable where heat supply is concerned and frugal when it comes to running costs. RCD supplies as much heat as you need RCD stands for Refrigerant Cycle Diagnostic system. In the Vitocal 300-A, it continuously monitors the refrigerant circuit and, in conjunction with the electronic expansion valve, ensures the highest level of efficiency at every operating point. The energy statement to receive subsidies is already integrated. Not only quiet at night Particularly quiet operation is ensured by a radial fan with variable speed control and a reduced fan speed for night operation. Everything you need Every household has different heat demands, and the conditions for installing a heat pump vary. The range of accessories for the Vitocal 300-A is suitably flexible and comprehensive. Subject to demand, the heat pump can be supplied fully equipped. This means the heating circuit pump, expansion vessel and safety equipment have already been fully fitted. Even the modular electric instantaneous heating water heater can be easily integrated. Finally, Viessmann also offers the complete product range to meet the demands of any installation you require inside or out. Monitor and control from wherever you are With the new Vitocal 300-A control unit you can simply connect your heat pump to the Vitocom 100/300. This gives you the option of conveniently operating your heating system via your mobile phone if you wish. 6 1 Cooling no problem Thanks to its reversible operation, the Vitocal 300-A can also be used for cooling. Convectors or surface cooling systems with a cooling capacity of up to 9.4 kw give you the flexibility to make your living area even more pleasant Vitocal 300-A 1 Radial fan 2 Wiring chamber 5 3 Expansion vessel 4 Heating circuit pump 5 Digital scroll compressor 6 Evaporator 7 Condenser

31 30/31 Technology that interacts perfectly the RCD system, the digital scroll technology and the electronic bi-flow expansion valve guarantee the highest level of efficiency at every operating point. Take advantage of these benefits You'll really appreciate the Vitocal 300-A for its quiet operation. This is achieved by a special radial fan with variable speed control, and the reduced fan speed during night operation. Reversible air/water heat pump for heating and cooling for installation inside and outside Variable output control from 3.0 to 9.0 kw High COP (COP = Coefficient of Performance) to EN 14511: 3.8 (at air 2 C/water 35 C) 4.4 (at air 7 C/water 35 C) Maximum flow temperature: up to 60 C at 5 C outside temperature Low operating noise through radial fan and reduced fan speed during night operation Efficient defrosting through circuit reversal Heat pump control unit for remote control and monitoring Convenient for applying for subsidies due to integral energy statement Particularly quiet in silent version For specification see page 54

32 Heat pumps Vitocal 242-G Vitocal 222-G

33 32/33 VITOCAL 242-G VITOCAL 222-G Vitocal 222-G, the compact ground source heat pump with a DHW cylinder. Vitocal 242-G, including the option to connect to a solar thermal system. Complete and extremely compact the compact Vitocal 242-G and Vitocal 222-G heat pumps already contain all the components required for central and DHW heating. With heating outputs of between 5.9 and 10.0 kw, they are designed for use in detached houses and flow temperatures of up to 60 C mean they can also be used with conventional radiators. The Vitocal 242-G and Vitocal 222-G are attractively priced alternatives to the compact appliances of the 300 series. With the Compliant scroll compressor and a thermostatically controlled expansion valve, they achieve Coefficients of Performance of up to 4.3 (in accordance with DIN EN with brine 0 C/water 35 C). For the heating and brine circuit, three-stage adjustable circulation pumps are integrated into the appliances. Vitocal 242-G is fully prepared for solar operation Vitocal 242-G is fully prepared for the connection of a solar system for DHW heating. A 220 litre solar cylinder and a solar control unit enable high solar heat yields. Vitocal 222-G with a 170 litre DHW cylinder The Vitocal 222-G compact heat pump offers a high level of DHW convenience thanks to its 170 litre DHW cylinder, which is heated via an internal heat exchanger. Vitocal 242-G and Vitocal 222-G have been tested to the EHPA heat pump quality seal. Operating the appliances is extremely easy thanks to the new Vitotronic control unit. Solar collectors Vitocal 242-G

34 Heat pumps Vitocal 242-G Vitocal 222-G Natural heat for modern detached houses The Vitocal 242-G and Vitocal 222-G compact heat pumps are specifically designed for detached houses. With their modest dimensions of around 0.4 m 2 they take up hardly any space. With integral DHW cylinder, brine and heating circuit pumps plus a three-way diverter valve, these compact appliances are quick and easy to install. They are available in two different versions the Vitocal 242-G with solar function and a generously sized DHW cylinder with 220 litre capacity and the Vitocal 222-G which has a 170 litre cylinder. Both heat pumps offer high DHW convenience. Extremely easy to operate Like all compact appliances, the Vitocal 222-G is equipped with the new user-friendly Vitotronic control unit. If in doubt, help is available at the push of a button. The graphic interface will also display heating curves and switching times. The programming unit of the Vitotronic control unit can be removed from the front of the appliance and be replaced with an external programming unit available as an accessory and a restrictor. A five metre long power cable enables the external programming unit to be mounted almost anywhere in a convenient position on a wall mounting base. Particularly quiet operation The new three-dimensional anti-vibration mounts make these compact heat pumps particularly quiet so that they can be installed close to the living space. Compact and ready to connect The heat pump is supplied by the factory ready to connect with a casing that can be split for easier handling. Variable connection accessories ensure an easy installation on site. 1 2 Heating naturally? Cooling too, of course With your compact heat pump, your low energy house will always feel comfortable, even in hot summers. The natural cooling function brings cool underground temperatures into your home. For this, you need the Viessmann NC-Box as an accessory, or alternatively, you can opt for the Vitocal 333-G with integral NC equipment Vitocal 242-G includes an option to utilise solar energy With the Vitocal 242-G, the connections for a solar thermal system are already in place, as hydraulic connections and a control unit are already integrated. The powerful collectors and matching system components from Viessmann back up the heat pump meaning in an average year, you can save 50 to 60 percent of energy conventionally spent on DHW heating. 8 6 Vitocal 242-G Spray lance, primary store system 2 Enamelled DHW cylinder 3 Heat pump control unit Vitotronic Integral solar heat exchanger 5 PWM-controlled circulation pump for cylinder heating (pulse width modulation) 6 Circulation pump, primary 7 Circulation pump, secondary 8 Diverter valve, heating/dhw 9 Heat pump refrigerant circuit

35 34/35 The compact heat pumps live up to their name. With no need for side clearances, they fit easily into even the tightest of recesses. Take advantage of these benefits Easy to operate Vitotronic control unit with simple navigation and clear menu tree. Compact brine/water heat pumps with heating outputs from 5.9 to 10.0 kw High coefficient of performance: COP value to EN up to 4.3 (brine 0 C/ water 35 C) (COP = Coefficient of Performance) Maximum flow temperature: 60 C High DHW convenience through integral DHW cylinder with a 220 litre capacity in the Vitocal 242-G (Vitocal 222-G with a 170 litre capacity) Very quiet thanks to new three-dimensional anti-vibration mounts with a sound power level of 43 db (A) at 0/35 C New Vitotronic control unit that is easy to operate with plain text display The programming unit that is part of the control unit can also be fitted on a wall mounting base Ready to connect, ex works Easy handling through small footprint, reduced height and split casing Easy installation through variable connection accessories Can be extended with convenient communication technology For specification see page 54

36 Heat pumps Vitocal 200-G

37 36/37 VITOCAL 200-G With the Vitocal 200-G, heating with environmental heat is not just a question of money. If you are building, or planning to build, a detached house, then Viessmann has the right heat pump solution that will win you over with its powerful output and surprise you with its price. The output of the Vitocal 200-G makes using renewables very attractive particularly for detached houses. Save yourself the heating bills An investment in a Viessmann heat pump such as the Vitocal 200-G is always worthwhile because you won't have to pay for any more fuel from day one. From now on, the energy you use to generate heat comes free, from right outside your door. Furthermore, the power needed to use this free fuel is very efficiently used. From one kilowatt of power, the heat pump generates between 3 and 4 kw of heat. A good investment for the future Durability is a key feature of all Viessmann heat pumps. The materials used must comply with the most stringent of demands, and strict quality conditions are applied right through manufacture. This will pay off for you, for example, the refrigerant circuit is hermetically sealed and therefore requires no maintenance. The environment benefits too It's good to know that heat pumps significantly reduce CO 2 emissions every day whilst they provide central and DHW heating. After all, no fossil fuels are used here. This means you protect valuable natural resources, and by purchasing a Vitocal 200-G, you also make a personal contribution to active climate protection. Two heating circuits for individual heating convenience The convenient ground source heat pump offers all functions required for using a heat pump in a new detached home. The weathercompensated, digital heat pump control unit allows two separate heating circuits to be connected. High flow temperature The innovative technology of the efficient Compliant scroll compressor allows the Vitocal 200-G to achieve a maximum flow temperature of 60 C. This means you are not tied to an underfloor heating system. You can use radiators for transferring heat into the living space and heating DHW is also more convenient. Vitocal 200-G is certified in accordance with the EHPA heat pump quality seal and NF-PAC.

38 Heat pumps Vitocal 200-G Full output, even in winter With its output spectrum of 6.4 to 9.6 kw, the Vitocal 200-G in mono-mode operation guarantees convenient heat supply all year round. This means even in winter when it gets really cold outside, you'll be snug and warm inside and without a booster heater. A heating system in summer? For cooling, naturally! When it's hot outside in summer, you can make the room pleasantly cool with your Vitocal heat pump. Switch to natural cooling. By simply running the circulation pumps, the heat from inside your house is transferred to the ground. All you need to use the Vitocal s handy extra natural cooling function is an NC-Box. Installation and assembly made easy The Vitocal 200-G is supplied with integral brine and heating circuit pumps, diverter valve and fitted safety assembly. Handling the Vitocal 200-G is no problem, since the casing and heat pump module are delivered separately. Installation on site is child's play, as all the connections are at the top. This also means the heat pump can be installed close to the wall without needing clearances. Optional temporary installation of an electrical booster heater, for example for screed drying, is an additional bonus Vitocal 200-G 1 Safety equipment block with safety 5 assembly 2 Weather-compensated, digital heat pump control unit CD 70 3 Brine circuit pump 4 Hermetically sealed Compliant scroll compressor 5 Heat pump module, fully thermally insulated

39 38/39 Compact dimensions, powerful output. The Vitocal 200-G only takes up a little space, and its attractive design looks good anywhere. Take advantage of these benefits Attractively priced brine/water heat pump, heating output: 6.4 to 9.6 kw Provides all central and DHW heating demand in mono-mode operation all year round Extremely reliable operation, safety and quiet running through hermetically sealed Compliant scroll compressor with dual anti-vibration mounts Weather-compensated, digital heat pump control unit with integral natural cooling function Through the high flow temperatures up to 60 C, also suitable for operation with radiators Easy handling through separation of casing and heat pump module With integral brine and heating circuit pumps, diverter valve and fitted safety assembly For specification see page 54

40 Dual mode systems Twice the benefit with dual mode heating systems Oil and gas prices continue to rise. So what should you do if you have purchased an advanced oil or gas boiler in the past few years? It's quite simple save substantially with a dual mode heating system, and at the same time reduce emissions. A heat pump is the ideal way to extend the heat supply of an existing oil or gas heating system. Consumption costs are lowered through the use of free energy from the environment, and simultaneously the dependence on fossil fuels is reduced. However, a dual mode heating system has even more benefits: Oil storage space and amount of oil to be stored can be reduced The operating times of the existing system are reduced; the service life increases The low proportion of annual heating load means the boiler is no longer subject to the yearly flue gas inspection, saving additional costs Power for heat pumps can be obtained at special tariffs The existing DHW heating system can continue to be used Little effort, great effect. You only need the following: Three-phase power supply with 400 V Installation area for heat pump and heating water buffer cylinder, approx. 4 m 2 Radiator heating system < 65 C Boiler thermostat setting max. 65 C Options for drawing in outside and expelled air when installed inside Space to install the special heat pump meter Power supply to the heat pump meter The Vitocal 300-A utilises the outside air heated by the sun and on cold days, a second heat source can be switched on automatically by the heat pump control unit.

41 40/41 Two thirds less fuel oil Initial situation Dual mode system Oil boilers Oil boilers & Heat pump Output 18 kw 18 kw 9 kw Proportion of annual heating load 100 % 30 % 70 % Annual heat demand 32,400 kwh 9720 kwh 22,680 kwh Efficiency when heating 90 % 90 % 330 % Energy demand 36,000 kwh 10,800 kwh 6872 kwh Proportion of DHW 3000 kwh 3000 kwh Energy consumption 3900 l oil 1380 l oil 6872 kwh power Energy price* 0.76 l 0.76 l 0.14 kwh (HP) Consumption costs* Total* Savings ( ) approx. 950 *Average value for 2008 Example: Heating system with max. 55 C flow temperature, 1800 full utilisation hours, 18 kw heating load of the building. DHW heating by the boiler. House with 150 m 2 and an annual heating energy consumption of approx. 39,000 kwh incl. DHW heating (3000 kwh). Benefits of dual mode systems Utilise the strengths of different heat sources Reduce consumption and running costs Utilise free environmental energy as much as possible Reduce environmentally damaging CO 2 emissions High security of supply Greater independence from fossil fuels Reduce the operating times of existing systems

42 Heat pumps Vitocal 160-A VITOCAL 160-A DHW heating with central heating Vitocal 160-A heat pump for DHW heating The Vitocal 160-A heats DHW whilst saving energy and costs. As its heat source, it uses the warm air inside the building that is always around and is therefore particularly ideal for use anywhere where heat is available in abundance, e.g. in bakeries. It can be operated completely independently of other heat sources. Compact DHW station utilises ambient heat The compact Vitocal 160-A DHW heat pump is equipped with all the components necessary for efficient and space-saving DHW heating. Together with the heat pump module (output 1.52 kw, COP = 3.54 at 15 C air temperature and 45 C water temperature), a 285 litre cylinder, a booster heater and the control unit are all integrated inside one casing. It is convenient to select the various programs using the easy-to-operate control unit with its large display. Whether for DHW heating, constant operation or standby mode the various functions can be selected by pressing just a few keys. Additional benefits of room cooling or controlled domestic ventilation As the recirculating air heat pump version, the Vitocal 160-A uses the air straight from the room in which it is installed. As an extract air heat pump, it draws in warm extract air via ducts from other rooms, e.g. the bathroom, WC and kitchen. Part of the heat from the air that is drawn in is extracted, raised to a useable temperature level with the heat pump, and used to heat the DHW. The recirculating air heat pump then returns the cooled and dehumidified air to the installation room that can then be used as a cool storage room for groceries. The air cooled in the extract air heat pump is routed to the outside via an expelled air duct. In conjunction with ventilation air apertures that ensure the supply of fresh outside air to the living space, the Vitocal 160-A becomes the central component of a controlled domestic ventilation system. This makes the Vitocal 160-A suitable for modernisation too Vitocal 160-A 1 High efficiency rotating piston compressor 2 Large area evaporator for an efficient heat exchange 3 Programmed control unit subject to appliance type, with solar function 4 Integral booster heater with 1.5 kw output 5 Integral enamelled 285 l DHW cylinder

43 42/43 The Vitocal 160-A compact DHW heat pump can operate fully independently from other heat sources. Lower costs through solar energy Both versions are available with an integral indirect solar coil and solar control unit. Through the connection of up to six square metres of flat-plate collectors or up to three square metres of vacuum tube collectors, the free energy of the sun can also be used to heat DHW and therefore further reduce the running costs. 230 V socket is sufficient The Vitocal 160-A is supplied pre-assembled. Simply install, connect the water lines and condensate drain, and plug into a 230 V power socket and the recirculating air heat pump is ready for operation. Take advantage of these benefits Attractively priced DHW heat pump for recirculating or extracting air with option of internal indirect solar coil and solar control unit for connecting flat-plate and tube collectors Air flow rate up to 250 m 3 /h Cylinder capacity 285 litres, cylinder with special enamel coating Easy commissioning through ready to plug in wiring and programmed control unit DHW heat pump for sole heating of the required DHW in heat pump operation up to 55 C Suitable as an extract air version with ventilation air elements suitable for regulated ventilation of up to 200 m 2 living space Integral booster heater (1.5 kw) for DHW temperatures up to 65 C For specification see page 55

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45 Heat pumps 44/45 Cooling with heat pumps The primary function of heat pumps is to provide pleasant and convenient heat, and reliable DHW heating. However, they can also be used to cool a building. Imagine a hot summer s day. Would you switch your heating on? Probably not, unless you have a Viessmann heat pump. After all, heating systems don t generally have much to do in summer apart from heating DHW. It is different for heat pumps, as some Viessmann heat pumps also offer a cooling function as an additional benefit. Active or passive cooling When cooling with a heat pump, you can choose between two different methods: Cooling by nature: Natural cooling While the ground or groundwater is used in winter to provide energy for heating, in summer it can be used for natural cooling. With the natural cooling function, the control unit only starts the primary pump and heating circuit pump. This means the relatively hot water from the underfloor heating system can transfer its heat in the heat exchanger to the brine in the primary circuit. This extracts heat from all rooms that are connected. This makes natural cooling a particularly energy-efficient and affordable way to cool buildings. Passive cooling: This is where the brine medium or the groundwater absorbs the energy from the heating circuit via a heat exchanger and transfers it outside. This function is also called natural cooling, as it uses the natural ambient temperature. Apart from the control unit and circulation pump, the heat pump remains switched off. Active cooling: For this, the function of the heat pump is simply reversed. This cooling is also called "reversible" operation, i.e. the refrigerant circuit is reversed internally or cooling is activated through an external switchover of the primary and secondary connections. As with a fridge, cooling is then actively generated by the heat pump. NC-Box Optional equipment for Viessmann heat pumps to provide passive cooling. Page 46 AC-Box Optional equipment for Viessmann heat pumps to provide active cooling. Page 47

46 Natural cooling NC-Box Energy efficient and affordable cooling with the NC-Box The Viessmann NC-Box helps heat pumps to provide cooling in a completely natural way. In fact, it's really quite simple. On hot summer days, the temperatures inside your house are higher than in the ground or groundwater. The heat pump control unit then switches to natural cooling, and uses the ground or groundwater to dissipate the heat from your living space. Saving while cooling The natural cooling function does not use all the technology of the heat pump. This means that, apart from the control unit and circulation pumps, all other functions remain off. Only a very small amount of power is therefore consumed for operation, making natural cooling a particularly energy-efficient and affordable way to cool buildings. Everything you need to keep it cool In the Viessmann "Natural Cooling Box", all the components are prefitted. This makes the thermally insulated box not only compact, but also particularly simple and quick to install. With or without mixer Depending on the sort of cooling needed, the natural cooling box comes in two different versions, either with or without mixer. The integral mixer enables continuous operation without falling below the dew point. The effective thermal insulation of the NC-Box prevents the formation of condensate.

47 Active cooling AC-Box 46/47 Efficicnet heating or cooling with the AC-Box The Viessmann AC-Box combines active cooling and natural cooling in your heat pump systems, thus making it even more versatile and convenient. Depending on how cool you would like it to be in your rooms, the system switches over automatically. If only a low cooling output is required, then natural cooling is adequate, but if that is no longer sufficient, active cooling is added. Cooling using tiny amounts of energy With natural cooling, the compressor circuit is not needed. Only the brine and heating circuit pumps are operational and utilise the temperature differential between the rooms and the ground or groundwater. This means they cool the rooms in a particularly costeffective way. Keep cool when it gets really hot outside With active cooling, the compressor circuit starts to work. However, it does not provide heating the internal control unit, in conjunction with the AC-Box, reverses the output and input functions and now actively transfers heat out of the building to the geothermal probe. Cold water now flows through the heating circuit itself cooled down to 7 C if required. Utilising extracted energy Incidentally, you can also make direct use of the heat transferred out of the rooms in this way, for example for DHW heating or to heat a swimming pool. This means you can combine the cooling and heating functions extremely effectively. Well thought-out technology: the AC-Box simply starts the heat pump with the active cooling or natural cooling function, subject to the cooling required.

48 Domestic ventilation system Vitovent 300

49 48/49 VITOVENT 300 Air quality makes a real difference to the quality of life inside our homes. An essential component of this is plenty of fresh air. However, modern construction practices do not make this easy, as buildings are designed to be as airtight as possible, to prevent heat loss. This is where the Vitovent 300 ventilation system comes in, creating a pleasant, healthy atmosphere in your room, without wasting energy. Air is considered to be fresh when its CO 2 - concentration falls below 0.1 % vol. and it is free from odours. Opening the window to achieve this initially seems to be the best idea. However, window ventilation is a bit hit and miss. Either we ventilate too much and waste heating energy, or we ventilate too little and then feel tired and weary. In contrast, the Vitovent 300 domestic ventilation system continuously replaces the air and removes odours and noxious substances, giving you a continuously pleasant, healthy atmosphere. Prevent mould, protect the building fabric One of the main causes of mould growth is humid room air. Caution: Not only does mould look unsightly, it is also unhealthy, both for you and the structure of your home. However, investing in a domestic ventilation system is cheaper than remedying building damage caused by fungal growth and mould. Allergy sufferers can breathe a sigh of relief A filtration system, employing an effective pollen filter (cat. F6), cleans the fresh outside air of harmful substances. This allows allergy sufferers to enjoy fresh air too and reducing the growth of mites and mould fungus is beneficial for everyone. Enjoy security and quietness Vitovent 300 ensures a continuous air change so windows can stay closed all year round. That doesn't just offer improved safety against burglary, but also keeps out any noise there may be outside.

50 Domestic ventilation system Vitovent 300 Ventilating virtually without energy loss Saving energy is the trump card of the Vitovent 300. The powerful heat exchanger recovers more than 90 percent of the latent heat contained in the used air and uses it to heat the incoming air. Thanks to the very efficient DC motors, per 1 kwh of electrical energy used, 15 times more heating energy is recovered. This means that in a living area of 150 m 2 for example, you save approx. 300 l fuel oil a year. Cooling with night air In winter, the majority of the heat contained in the extract air is recovered through the heat exchange function. In summer, the heat exchanger is completely bypassed via the integral bypass damper. Through this temperature-controlled bypass circuit, cool outside air can enter the rooms during the night. Fastflex flat duct system is space-saving and easy to install The Fastflex system for air distribution is precisely matched to the Vitovent 300. For one thing, it makes it easier to install and set up the domestic ventilation system, and for another, it also saves space. On one routing level, two floors can be simultaneously accessible. The flat ducts are not only so versatile that they can adapt to suit any structural characteristics, but they are also particularly stable, and can be routed below the screed in the floor insulation Vitovent 300 domestic ventilation system with heat recovery 1 DC fans 2 Bypass damper 3 Heat exchanger 4 Air filter

51 50/51 Vitovent 300 provides a comfortable atmosphere all year round, reduces the ventilation heat demand and lowers the heating costs. Expelled air Outside air Extract air Boiler Expelled air Ventilation air Cylinder Solar collector Take advantage of these benefits Domestic ventilation system up to 180, 300 or 400 m 3 /h Ensures a comfortable and healthy atmosphere Saves on heating costs Heat recovery level in excess of 90 % reduces the ventilation heat loss to a minimum and lowers the heating costs Integral, temperature controlled bypass (300 and 400 m 3 /h) circumvents the heat recovery in summer (100 %) and enables ventilation with cool night air Economical DC motors with a constant flow rate and balance control keep the air flow constant, independent of the static pressure Filtered outside air important for allergy sufferers Fewer odours Balanced humidity management prevents building damage Closed windows improved security against burglary and noise protection For specification see page 55

52 Specification Vitocal 343-G brine/water heat pump Vitocal 343-G Type BWT 106 BWT 108 BWT 110 Output data (to EN 14511, B0/W35 C, 5 K spread) Rated heating output Cooling capacity Power consumption Performance factor ε (COP) in heating mode Total dimensions Length x Width x Height mm 680 x 600 x 2075 Cylinder capacity litres Total weight kg kw kw kw Vitocal 333-G/Vitocal 333-G NC brine/water heat pump Vitocal 333-G/Vitocal 333-G NC Type BWT 106 BWT 108 BWT 110 Output data (to EN 14511, B0/W35 C, 5 K spread) Rated heating output Cooling capacity Power consumption Performance factor ε (COP) in heating mode Total dimensions Length x Width x Height mm 680 x 600 x 1830 Cylinder capacity litres Total weight Vitocal 333-G Vitocal 333-G NC kw kw kw Vitocal 300-G single stage brine/water heat pump kg kg Vitocal 300-G Output data (to EN 14511, B0/W35 C, 5 K spread) Rated heating output Cooling capacity Power consumption Performance factor ε (COP) in heating mode Type BW/BWC 106 BW/BWC 108 BW/BWC 110 BW/BWC 112 BW/BWC 114 BW/BWC 117 kw kw kw Total dimensions Length x Width x Height mm 720 x 600 x 1065 Total weight kg Vitocal 300-G single stage water/water heat pump Vitocal 300-G Output data (to EN 14511, W10/W35 C, 5 K spread) Rated heating output Cooling capacity Power consumption Performance factor ε (COP) in heating mode Type WW/WWC 106 WW/WWC 108 WW/WWC 110 WW/WWC 112 WW/WWC 114 WW/WWC 117 kw kw kw Total dimensions Length x Width x Height mm 720 x 600 x 1065 Total weight kg Vitocal 300-G heat pump as stage 2 (slave) Vitocal 300-G Type BWS 106 BWS 108 BWS 110 BWS 112 BWS 114 BWS 117 Output data (to EN 14511, B0/W35 C, 5 K spread) Rated heating output Cooling capacity Power consumption Performance factor ε (COP) in heating mode kw kw kw Total dimensions Length x Width x Height mm 720 x 600 x 1065 Total weight kg

53 52/53 Vitocal 300-G, single stage heat pump Vitocal 300-G Type BW 121 BW 129 BW 145 WW 121 WW 129 WW 145 Performance data (to EN 14511, Brine/water heat pump: B0/W35 C, 5 K spread or Water/water heat pump: W10/W35 C, 5 K spread) Rated heating output Cooling capacity Power consumption Performance factor ε (COP) in heating mode kw kw kw Total dimensions Length x Width x Height (incl. control unit) mm 1085 x 780 x 1267 Total weight kg Sound power db(a) Vitocal 300-G, two-stage heat pump Vitocal 300-G Type BW BWS 121 Performance data (to EN 14511, brine/water heat pump: B0/W35 C, 5 K spread or Water/water heat pump: W10/W35 C, 5 K spread) Rated heating output (master/slave) Cooling capacity kw kw BW BWS BW BWS WW WWS 121 Total dimensions Length x Width x Height (incl. control unit) mm 1085 x 780 x 1267 Total weight Types BW / WW Type BWS kg kg WW WWS BW145 + WWS 145 Sound power db(a)

54 Specification Vitocal 350-A air/water heat pump Vitocal 350-A Type AWH-I 110 AWH-I 114 AWH-I 120 AWH-O -110 AWH-O 114 AWH-O 120 Output data (to EN 14511, A2/W35 C) Rated heating output Power consumption Performance factor ε (COP) in heating mode kw kw Total dimensions Length Width Height mm mm mm Vitocal 300-A air/water heat pump Vitocal 300-A Type AWC-I AW-O Output data (to EN 14511, A2/W35 C) Rated heating output Power consumption Performance factor ε (COP) in heating mode Coefficient of performance ε (COP) A7/W35 C Output control Cooling capacity A27/W7 C kw kw kw kw to Total weight kg to Total dimensions Length x Width x Height mm 780 x 875 x x 885 x 1835 Total weight kg Vitocal 242-G brine/water heat pump Vitocal 242-G Type BWT 106 BWT 108 BWT 110 Output data (to EN 14511, B0/W35 C) Rated heating output Cooling capacity Power consumption Performance factor ε (COP) in heating mode Total dimensions Length x Width x Height mm 680 x 600 x 2075 Cylinder capacity litres Total weight kg kw kw kw Vitocal 222-G brine/water heat pump Vitocal 222-G Type BWT 106 BWT 108 BWT 110 Output data (to EN 14511, B0/W35 C) Rated heating output Cooling capacity Power consumption Performance factor ε (COP) in heating mode Total dimensions Length x Width x Height mm 680 x 600 x 1830 Cylinder capacity litres Total weight kg kw kw kw Vitocal 200-G brine/water heat pump Vitocal 200-G Type BWP 106 BWP 108 BWP 110 Output data (to EN 14511, B0/W35 C) Rated heating output Cooling capacity Power consumption Performance factor ε (COP) in heating mode kw kw kw Total dimensions Length x Width x Height mm 726 x 600 x Total weight kg

55 54/55 Vitocal 160-A DHW heat pump Output during DHW heating from 15 to 45 C and 15 C air temperature kw 1.52 Power consumption kw 0.43 Coefficient of Performance ε (COP) 3.54 Air flow rate m 3 /h 250 Power consumption of booster heater kw 1.50 Cylinder capacity litres 285 Weight Type WWK/type WWKS kg 105/110 Dimensions Length ø Width Height (recirculating air mode) Height (extract air mode) mm mm mm mm Natural cooling NC-Box Performance data Cooling capacity subject to the heat pump output for Vitocal 343-G/333-G/300-G/242-G/222-G/200-G Total dimensions Length Width Height kw mm mm mm approx to Total weight excl. mixer kg 25 Total weight incl. mixer kg 28 Active cooling AC-Box The maximum cooling capacity is limited by the integral heat pump (for Vitocal 300-G). Total dimensions Length Width Height mm mm mm Total weight kg 80 Vitovent 300 domestic ventilation system Vitovent 300 m 3 /h Air flow rate Max. air flow rate under pressure Dimensions excluding connectors Length (depth) Width Height m 3 /h m 3 /h / Pa mm mm mm 50 to / to / to /100 Weight kg Filter DIN EN 779 Outside air Extract air Filter class Filter class Countercurrent heat exchanger Heat recovery rate up to % Automatic bypass no yes yes Summer cassette yes no no Digital remote control with weekly program yes yes yes F6 G4 F6 G F6 G4

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57 System technology 56/57 A perfect match: System technology The convenient controls and perfectly matching Viessmann system technology offer you maximum reliability, flexibility and efficiency. Viessmann does not simply supply individual heating equipment components that correspond to its high standards of quality and reliability, the same applies to Viessmann system technology, where all components complement one another. Viessmann system technology includes everything which constitutes a reliable heating system that is economical to run. This covers the heat pump control unit with integral heat meter and the powerful Vitocell DHW cylinder for the highest level of DHW convenience. DHW DHW convenience for every demand: With the Vitocell range of cylinders from Viessmann, you have an enormous choice and maximum scope when designing your heating system. Page 56 Data communication Do you know about Vitocom? It's the ideal solution for monitoring a heating system, and exchanging data easily and conveniently from a different location. Page 60

58 System technology Domestic hot water The Vitocell range from Viessmann offers the right DHW cylinder for every demand. DHW convenience for every demand With the Vitocell DHW cylinders, Viessmann offers you the convenient solution to supplying your household with hot water the perfect extension to your new heat pump. The demand for hot water is completely different in every household. One factor is the number of residents and another is their bathing and showering habits. For example, several people in one household frequently go to work and school at the same time, so lots of hot water needs to be continuously available for the shower in a short space of time. Those who have a bath regularly may also wish to have enough warm water to fill the tub. Finally, the DHW cylinder should be able to deliver sufficient water, if in an apartment block, hot water is drawn from more than one outlet at the same time. The Vitocell DHW cylinders fulfil these requirements in every respect and are also robust enough to cope with constant demand.

59 58/59 Optimally matched for use with heat pumps Viessmann system solutions from a single source make it easy for you to utilise the energy from your heat pump to optimum effect, for example with a suitable DHW cylinder especially for heat pumps that are specifically designed for the requirements of detached and two-family homes when using a Vitocal 200, 300 or 350. DHW convenience that's as individual as you are The DHW cylinder is prepared for the connection of a solar thermal system or the installation of one or two additional electric booster heaters with up to 6 kw output for boosting the DHW temperature. Strong inner values Viessmann's product range includes the Vitocell 300 and Vitocell 100 product groups. All Vitocell 300 cylinders are made of stainless steel and meet the most stringent hygiene requirements. It is no coincidence that stainless steel is also used for its antibacterial properties in the processing industry, in kitchens and in hospitals. Squeaky clean: the Vitocell 300 DHW cylinders are made of stainless steel a material that meets the highest hygiene standards. Alternatively, the inner surfaces of the Vitocell 100 are lastingly protected against corrosion with the proven Ceraprotect enamel coating. All DHW cylinders are fully equipped with high-grade insulation against heat loss. Internal indirect coils drawn low down to the cylinder floor enable quick and energyefficient heating of the entire cylinder content. Viessmann DHW cylinder Vitocell 100-V: perfectly designed for use with heat pumps

60 System technology Data communication

61 60/61 Everything under control from wherever you are Take advantage of the particularly convenient wireless digital TeleControl program from Viessmann to regulate your heating system. Naturally wireless and digital. Vitocom and Vitohome are our most convenient remote control products for your heating system. You communicate directly with the digital heat pump control unit, which can be matched to your individual requirements. Vitocom 100 Vitocom 100 is the easy way to remotely monitor and control your heat pump via your mobile phone. This remote control is ideal for detached and two-family houses. It's also suitable for holiday and weekend houses that are not occupied all the time. On your way there, start up the heating system via your mobile and set the required temperature. It could hardly be any simpler or more economical. Vitohome 300 Vitohome 300 is the ideal solution for centralised home automation. Set the precise temperature for every room and heat only where necessary and required. Vitohome 300 is easy right from the start. Components communicate by wireless signals, making it ideal for retrofitting, as no wiring is required. The heating system does not require any expensive conversions either. Vitohome 300 the simple and convenient centralised home automation system controls the temperature curve in every room subject to demand, thus saving considerably on heating costs. The system is based on the European KNX communication standard. This enables additional functions to be added with ease even at a later stage. Your electrical wholesaler will offer you matching devices, such as window contacts, smoke detectors or controls for lighting and blinds. They offer optional simulation of a presence, and panic circuits. The result is not just improved convenience, but also a higher level of security.

62

63 Accessories 62/63 System accessories from Viessmann complete heating systems from a single source The Vitoset range offers you products from a single source to operate your heating system in complete safety. Every Vitoset product meets the high quality demands you have come to expect from Viessmann. So don't settle for anything less. The range of accessories works perfectly with all other Viessmann heating systems. Here is an overview: Universal radiators You can recognise the quality of these radiators by their high-grade, long lasting paint finish. Thanks to their neutral finish in white RAL 9016, Viessmann universal radiators will blend easily into any room. On request, all universal radiators can also be supplied in special colours. Panel radiators Their brilliant, smooth design makes these flat panel radiators an exceptionally aesthetic design feature, which is subtle yet effective. The technical concept behind them is optimised for the demands of energy-efficient heating. The resistant, plastic-coated surface is easy to clean and gleams in white RAL Bathroom radiators These innovative Vitoset bathroom radiators with their slender pipe elements look elegant and light. They will help you to make your bathroom stylish, and will keep towels nice and warm for you. Alongside their connection to the heating system, the bathroom radiators can also be operated electrically. It's even possible to combine both techniques, i.e. the central heating connection for the heating season, and the heater rod for cooler summer days. Underfloor heating systems Energy-efficient, safe, convenient Vitoset underfloor heating systems from Viessmann let you enjoy an extremely pleasant ambience due to the even transfer of heat throughout your room. Furthermore, Viessmann has designed the control technology especially for heat pumps, regulating both heating and cooling operation in summer. Beautifully finished and pleasing to the eye: Bathroom radiators come in many different sizes and colours. They also make a stylish design feature.

64 Service for every aspect of heating Viessmann trade partners

65 64/65 With our trade partners, you're in good hands At Viessmann, proximity to trade partners is the basis of the company's success. You too can benefit from their expertise if you choose a new Viessmann heat pump. You can receive advice, sales, installation and customer service exclusively via Viessmann trade partners, who are trained regularly by the company, and have an in-depth knowledge of its products. Take advantage of the comprehensive service you can expect from your installation heating contractor. Some service examples: Free, no-obligation and individual advice, even on site Clear calculation of heating cost savings through the installation of a heat pump, even in combination with solar collectors Calculation of the payback period, after which the new heating pump will have paid for itself through energy savings Calculation of the actual heating and DHW demand for your household or property Complete solution with everything from a single source including geothermal probe drilling Support when applying for subsidies Affordable finance, economical heating Here are some financial terms and conditions to shout about: Viessmann and CreditPlus Bank have some winning financial deals to support you if you are updating an existing system. You can finance your new heat pump with only 3.99 percent APR. This means you generally save much more on heating costs than you spend on finance. Detailed information can be obtained from your local heating contractor. The government is rewarding environmentally responsible heating. Current information can be found on the internet at There, you'll always find the most up-to-date information, and can gain an initial overview before your first discussion with your heating contractor.

66 Service for every aspect of heating Geothermal project management

67 66/67 Geothermal systems with assured quality If you want to become independent of fossil fuels, and at the same time consider environmentally responsible heat generation, your first choice should be a ground source heat pump. If you select this option, you can utilise the unlimited heating energy from the ground free of charge. The important thing is to have a reliable partner for geothermal probe drilling Viessmann geothermal project management. Specialist knowledge and practical experience you can rely on Installing a geothermal probe requires a great deal of specialist knowledge and practical experience. So make sure you have a competent partner of assured Viessmann quality. Viessmann geothermal project management will undertake the entire process for you. Benefits at a glance Only one contact for all work outside the building Fixed prices for all work outside the building up to 30 kw Pre-testing of drilling options and calculation of the geothermal probe depth Complete processing of the approvals procedure For output levels above 30 kw, design of quality geothermal probe arrays in accordance with the applicable directive VDI 4640 Design and creation of the entire system No long delays Prompt coordination after receipt of order Network of drilling companies covering the whole of Germany Drilling within 4 to 6 weeks after presentation of the approval

68 The comprehensive Viessmann product range Oil low temperature and condensing technology 13 20,000 kw Gas low temperature and condensing technology 4 20,000 kw Solar thermal and photovoltaics Detached houses Apartment buildings Commerce / Industry Local heating networks Individual solutions with efficient systems Futureproof heating systems for all fuel types and applications. The comprehensive Viessmann product range Viessmann sets the technological pace for the heating industry. The comprehensive product range from Viessmann offers individual solutions with efficient systems for all applications and all energy sources. As environmental pioneers, the company has, for decades, been supplying particularly efficient and clean heating systems for oil and gas, as well as solar thermal and PV systems plus heating systems for sustainable fuels and heat pumps. The comprehensive product range from Viessmann offers top technology and sets new benchmarks. With its high energy efficiency, this range helps to save heating costs and is always the right choice where ecology is concerned. All Viessmann products meet the requirements of European Directives regarding the reduction of environmental pollution by emissions. Viessmann feels a longstanding responsibility for the best possible environmental preservation and the maximum protection of natural resources. To this end, the company employs the best available technology for the generation of heat. Oil Gas Solar Biomass Natural heat

69 68/69 Wood combustion technology, CHP and biogas production Heat pumps for brine, water and air Air conditioning technology System components 4 13,000 kw kw The comprehensive Viessmann product range Individual solutions with efficient systems for all energy sources and applications Individual economical solutions Viessmann offers the right heating system for any demand wall mounted and floorstanding, in individual combinations, both futureproof and economical. Whether for detached or two-family houses, for large residential buildings, for commerce and industry or for local heating networks. It makes no difference whether the system is intended for modernisation or new build. Viessmann develops and produces innovative heating systems, which demonstrate top quality, energy efficiency and a long service life. Many of these products have become milestones of heating technology. Detached houses Apartment buildings Commerce / Industry Local heating networks

70 Contacts and further information It's convenient to find out more from home: Viessmann online offers detailed information about products, subsidy opportunities and services. Always there for you Viessmann is a family business, operating globally. In constant contact with associates, the company develops innovative solutions always with your wishes and requirements in mind. Viessmann contacts are your competent and enthusiastic local points of reference, and will be happy to support you with any questions about heating and modernisation. You are best advised to arrange a personal consultation. Your Viessmann heating contractor will be happy to help! Viessmann online For further information regarding Viessmann products and their capacities see There you can obtain information on all Viessmann products.

71 70/71 Quick help via the internet Do you have questions about Viessmann products or on the subject of heating? At you can find comprehensive information round the clock on all Viessmann heating systems and their output levels, a technical lexicon and much more. Subsidy programmes For current information about subsidies that are available to you when you choose an environmentally responsible heating system from Viessmann, see Furthermore, you can obtain individual competent advice from all Viessmann sales offices or directly from your heating contractor. Your local contact Are you still trying to find Viessmann contacts in your area? Use the quick search function at Simply click on "Partner vor Ort" and in a few steps you will find your contact.

72 The company

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