Vaillant VU 35CS/1-5 ecoTEC plus IoniDetect + VIH R 120 B + sensoCOMFORT 720
Code: 0010044675Related products
Product detailed description
The package combines a powerful wall-hung boiler with a medium-sized floor-standing cylinder. It suits a larger family house with a higher heat loss, where hot water is drawn at a normal rate or slightly more than in a small household. The boiler stays on the wall, while the 117 l cylinder is installed on the floor of the boiler room or plant room.
Package contents
- Vaillant VU 35CS/1-5 ecoTEC plus IoniDetect wall-hung condensing boiler
- uniSTOR VIH R 120 B floor-standing hot water cylinder with class B insulation
- sensoCOMFORT 720 weather-compensating controller
- hot water temperature sensor in the cylinder
Not supplied: the pipework connection between the boiler and the cylinder (the boiler has G 1/2" connections, the cylinder heat exchanger R 3/4"), the hanging kit and the under-boiler spacer frame – the Vaillant price list does not include these with the 35 kW packages; they are only found in the packages with 10 and 25 kW boilers. The sensoNET internet module for remote control can be added as required.
uniSTOR VIH R 120 B floor-standing cylinder
Both the steel vessel and the heating coil are enamelled on the inside, and the vessel is also protected against corrosion by a built-in magnesium anode. The cylinder can be connected to either a wall-hung or a floor-standing boiler, and it has a drain valve and height-adjustable screws for levelling. With continuous draw-off it produces 527 l of hot water per hour, heats up from 10 to 60 °C in 15.8 minutes and loses 1.0 kWh of heat per day. For installation, allow for a height of 853 mm and a dimension of 590 mm; the empty cylinder weighs 68 kg.
VU 35CS/1-5 ecoTEC plus IoniDetect boiler
The gas condensing boiler modulates its output at a ratio of 1:10 – in the range of 4.0 to 34.8 kW at 80/60 °C and from 4.3 to 37.7 kW at 50/30 °C. The 50/30 °C figure applies to a low-temperature system such as underfloor heating. The IoniDetect system automatically readjusts combustion when the gas composition deviates. For cylinder heating, the boiler has up to 39.7 kW available and it meets NOx class 6. The controls on the boiler are touch-operated, and via the eBUS the system can later be supplemented with other heat sources, for example a heat pump or solar collectors.
sensoCOMFORT 720 control
The controller is wall-mounted and connected to the boiler via the eBUS. It varies the heating water temperature according to the outdoor temperature and the selected heating curve, and controls cylinder heating based on data from the sensor included in the package. A practical feature for a larger house is that with expansion modules it can handle up to 9 heating circuits, allows up to 4 remote controls to be connected and also supports a cascade of 2 to 7 boilers.
Technical data
VU 35CS/1-5 ecoTEC plus IoniDetect boiler
- Rated heat output at 80/60 °C: 4.0–34.8 kW
- Rated heat output at 50/30 °C: 4.3–37.7 kW
- Rated heat input in heating mode: 4.2–35.7 kW (min. 4.2 kW, max. 35.7 kW)
- Maximum heat output for hot water heating: 39.7 kW
- Nominal heat input: 40.8 kW
- Output modulation: 1:10
- NOx class: 6
- Maximum flow temperature: 85 °C
- Adjustable maximum flow temperature: 15–80 °C (factory setting 75 °C)
- Maximum operating pressure of heating water: 0.3 MPa (3.0 bar)
- Nominal heating water flow rate at ΔT 20 K: 1498 l/h
- Residual pump head at nominal flow rate: 0.025 MPa (0.25 bar)
- Power supply: 230 V / 50 Hz
- Electrical protection: IPX4D
- Gas connection on the boiler: 15 mm
- Heating flow and return on the boiler: G 3/4"
- Cylinder circuit flow and return on the boiler: G 1/2"
- Safety valve connection: 15 mm
- Condensate drain hose: 19 mm
- Width × height × depth: 440 × 720 × 382 mm
- Weight without packaging and water: 40.5 kg
uniSTOR VIH R 120 B cylinder
- Type: indirect floor-standing steel hot water cylinder
- Nominal capacity: 117 l
- Energy class: B (standard thermal insulation)
- Corrosion protection: vessel and heating coil enamelled on the inside, built-in magnesium anode
- Equipment: drain valve, adjustable levelling screws
- Heat exchanger surface area: 0.7 m²
- Water content of the heat exchanger: 4.8 l
- Maximum heat exchanger output: 30.9 kW
- Continuous hot water output: 527 l/h
- Heat-up time from 10 to 60 °C: 15.8 min
- Maximum hot water temperature: 85 °C
- Maximum heating water temperature: 110 °C
- Maximum operating pressure: 10 bar
- Standing heat loss: 1.0 kWh/24 h
- Heat exchanger connection: R 3/4"
- Hot water connection: R 1"
- Circulation connection: R 3/4"
- Height: 853 mm
- Length: 590 mm
- Weight: 68 kg
sensoCOMFORT 720 controller
- Design: wired wall-mounted controller, eBUS interface
- Energy efficiency class: II, VI, VIII
- Operation: 3.5" display, six backlit touch buttons
- Compatible with: gas boilers, heat pumps, hybrid systems, solar heating, central ventilation
- Heating circuits: up to 9 (with expansion modules)
- Boiler cascade: 2–7 boilers
- Remote controls: up to 4
- sensoAPP app: yes (with the sensoNET internet module)
- Functions: heating curve setting, screed drying, humidity sensor, installation assistant, time programme assistant
Frequently asked questions
Where is the VIH R 120 B cylinder installed?
On the floor – it is a floor-standing cylinder with a height of 853 mm and a weight of 68 kg without water. It is levelled using the adjustable screws, while the boiler remains hung on the wall.
What needs to be ordered in addition to the package?
The connection between the boiler and the cylinder, which is designed according to the distance between the two units in the boiler room. Neither the hanging kit nor the under-boiler spacer frame is included with the 35 kW packages. To control the heating via the app, the sensoNET module is required.
How much hot water does the cylinder deliver?
The nominal capacity is 117 l and the continuous hot water output is 527 l/h. Once depleted, the water is heated from 10 to 60 °C in 15.8 minutes.
Can the controller handle several heating circuits?
Yes, with expansion modules it controls up to 9 circuits, so that, for example, radiators and underfloor heating on different floors can be controlled separately.
Additional parameters
| Category: | Vaillant ecoTec plus, pro |
|---|---|
| Warranty: | 2 years |
| Weight: | 60 kg |
| Safety thermostat: | yes |
| Included accessories: | power cable, siphon, manual, warranty card |
| Electrical protection rating: | IPX4D |
| Electronic ignition: | Yes |
| Electronics: | eBus 2.0 (from 2014 version) |
| Weight of empty boiler: | 40,5 kg |
| Upper boiler output: | 37,7 kW |
| Country of origin: | EU |
| Summer mode: | Yes |
| Maximum working pressure: | 300 kPa |
| Maximum DHW pressure: | 1 mPa |
| Storage tank connection option: | yes |
| Extended warranty option: | yes |
| Voltage/frequency: | 230V/50Hz |
| Adjustable heating water temperature range: | 15 - 80 °C |
| Standard efficiency rate at 40/30°C: | max. 109,5 % |
| Fuel: | natural gas / propane |
| Flue design: | TURBO |
| Power output curve: | modulated |
| Electrical voltage connection: | 230V |
| Concentric flue connection: | yes |
| Separate flue connection: | yes |
| DHW connection port: | 1/2" |
| Water connection port: | 3/4" |
| Dimensions: | 720 x 440 x 382 mm |
| Lower boiler output: | 4,3 kW |
| Boiler commissioning: | by a VAILLANT service technician |
| NOx emission class: | 6 |
| Boiler intended use: | boiler set with a 120 l storage tank |
| DHW tank size: | 117 l |
| Suitable for underfloor heating: | yes |
| Output when heating DHW: | 39,7 kW |
| Output at temperature drop 50/30°C: | 4,3 - 37,7 kW |
| Output at temperature drop 80/60°C: | 4,0 - 34,8 kW |
| DHW output: | 39,7 kW |
| Built-in water filter: | no |
| Boiler heating output: | high output above 16 kW |
| Manufacturer: | Vaillant |
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About the company
The Vaillant Group is synonymous with heating and hot water preparation, placing particular emphasis on quality, reliability and user comfort. Its heating technology products are present in more than 100 countries around the world. The group unites the brands Vaillant, Saunier Duval, AWB, Bulex, DemirDöküm, Glow worm, Hermann Saunier Duval and Protherm. Each of these brands has extensive experience in the production of heating equipment, as most of them have been active in this segment for more than 80 years. With its 140 years of market presence, the brand Vaillant is among the largest and most significant. It has long been a market leader and a pioneer in the development and innovation of heating technologies in Europe. The Vaillant Group has an extensive network of sales representatives and thousands of satisfied customers around the world.
The extensive portfolio of the Vaillant Group includes modern heating technologies that are energy-saving, efficient and contribute to environmental protection. Thanks to a wide range of products and models, every customer can find exactly what they need here. The range includes wall-hung and floor-standing boilers, hot water storage tanks or electrical appliances. In the market of wall-hung boilers, the company is even number one in Europe with a 26 percent market share. The Vaillant Group is not specialized only in the development and production of boilers; its product portfolio also includes technologies that use renewable energy sources, such as solar systems or the most modern heat pumps and air conditioners. It also offers recovery or cogeneration units or zeolite heat pumps to users.
Vaillant Group thinks ahead every day and offers individual solutions for every need and type of energy. Its success is also based on research and development, which always takes place in line with the wishes of customers. The company's research and development department is among the largest and above all the most creative departments in this segment. The team of developers is constantly working on new devices and technological systems that are increasingly easy to operate and already meet the demands of tomorrow. Whether it is about energy solutions of the future or about the best way to use fossil fuels, the company Vaillant Group tries to anticipate new trends and to be always one step ahead of others. Proof of this is the registration of up to 100 new patents every year. In the field of production, the company places the greatest emphasis on achieving the highest quality of boilers, which represents perfection in every detail.
The Vaillant Group has its presence in most countries of the world. Slovakia is no exception, where the company Vaillant Group Slovakia, s. r. o. is located, representing the brands Vaillant and Protherm. Heating equipment of the Vaillant Group is produced in seven production plants, two of which are located on our territory. These factories employ more than 1,300 people in total. The production plant Protherm Production with its headquarters in Skalice specializes in the production of electric and floor-standing boilers for all brands belonging to the Vaillant Group. It can also boast its own research and development center, which is among the most modern in Europe. The second production plant in Slovakia is Vaillant Industrial Slovakia in Trenčianske Stankovce, which produces modules for wall-hung boilers for the entire group.
History of the company Vaillant
The history of the company Vaillant goes back to the year 1874, when it was founded by Johann Vaillant in Remscheid, Germany. Since then, the company Vaillant has been a leader in the field of heating and ventilation technologies.
History of the company Vaillant
1874Plumber Johann Vaillant founded the company.
1894Patented for the invention of a gas water heater with a "closed system" design.
1899Registered company logo, the Easter Bunny.
1905Development of a wall-mounted water heater, patented under the designation "Geyser".
1924Development of a wall-mounted boiler for heating.
1955Production of the millionth appliance after the end of the Second World War.
1960Production of electrical appliances begins.
1967Development of a combined wall-mounted boiler.
197411 million appliances sold since 1974.
1992Establishment of subsidiary companies – in the Czechoslovak Republic, Hungary, Poland and Turkey.
1993Separation of Czechoslovakia leads to the creation of a separate sales representation in Slovakia.
1999Anniversary, 125th anniversary of the founding of the company, 40 million appliances sold in the entire history of the company.
2001The Vaillant Group is formed, covering eight significant manufacturers of heating equipment in Europe, including the boiler manufacturer Protherm in Slovakia.
2003The Vaillant Group production plant in Skalice specializes in the production of floor-standing boilers also for other brands belonging to the VG group.
2004Vaillant Group opens a new production plant in Trenčín, Slovakia, for the production of hydraulic groups for wall-hung boilers.
200910,000,000 modules for heating equipment produced at the VG Trenčín plant.
Easter Bunny in the logo - intended for the success of the company
Pink dwarfs and cute animals stand around and admire the miracle of the egg. Johann Vaillant is fascinated by the scene and decides to buy both the picture and the copyright. For Vaillant, this means the establishment of its brand and an extremely successful story.
Very distinctive brand profile
Since 1899, the motif has adorned all products, catalogs and brochures. In a few short years, Vaillant built an excellent reputation that spread throughout Germany and even beyond its borders. Vaillant gave its logo clear lines and outlines. "The Bunny in the Egg" remains the central theme, but the word "Vaillant" is added.
Many Germans know that the Vaillant Bunny belongs to a company based in North Rhine-Westphalia. Moreover: more than 70% of all Germans have heard of the company Vaillant. In Austria and the Netherlands, the company achieves similar results for its image.
Sustainability
As a forward-looking, family-owned company, we accept special responsibility for the environment, for our employees and for society. We are convinced that economic success, sustainable and profitable growth are inseparably linked to a commitment to social and ecological standards.
In order to fulfill this commitment, we are committed to carrying out our activities in a sustainable manner within the strategic S.E.E.D.S. Program (Sustainability in Environment, Employees, Development & Products and Society). The definition of these areas of interest is based on a comprehensive understanding of sustainability, in which we also take into account key issues of our core activities.
