Vaillant VU 35CS/1-5 ecoTEC plus IoniDetect + VIH Q 75 B + sensoCOMFORT 720
Code: 0010044672Related products
Product detailed description
This Vaillant package is designed for a house or business premises with a higher heat loss, where hot water is drawn at the level of a smaller household. The powerful wall-hung boiler is complemented here by a wall-mounted cylinder with a capacity of 68 l, so both the boiler and the cylinder hang on the wall and the plant room floor stays clear. The cylinder has the same width (440 mm) and height (720 mm) as the boiler and is styled to match its design, so next to it the two look like a single unit.
What's in the box
- VU 35CS/1-5 ecoTEC plus IoniDetect wall-hung condensing boiler
- uniSTOR VIH Q 75 B hot water cylinder with insulation, capacity 68 l
- sensoCOMFORT 720 weather-compensating system controller
- hot water temperature sensor for the cylinder
Not included in the package: the hanging kit or the spacer frame for fitting below the boiler – the Vaillant price list does not include them with the 35 kW packages; they are only supplied with the packages with 10 and 25 kW boilers. The connection between the boiler and the cylinder must also be arranged separately, as must the sensoNET internet module if you wish to control the heating from your mobile phone.
VU 35CS/1-5 ecoTEC plus IoniDetect boiler
The boiler covers a heat demand from 4.0 to 34.8 kW at a flow/return temperature of 80/60 °C; in a 50/30 °C low-temperature system the range is 4.3 to 37.7 kW. Thanks to its 1:10 modulation ratio, it can run for long periods even at low output. The IoniDetect function monitors combustion and adjusts it automatically when the gas composition changes, so the boiler is also ready for gases with a different composition that will be used in the future. For hot water heating, the boiler delivers up to 39.7 kW. It communicates with the other components via the eBUS, so the system can later be extended with solar water heating, a heat pump or heat recovery ventilation.
uniSTOR VIH Q 75 B wall-mounted cylinder
The indirect cylinder with an enamelled interior and a built-in magnesium anode has a nominal capacity of 68 l and energy class B. It heats up from 10 to 60 °C in 12 minutes and in continuous operation produces 738 l of hot water per hour. It is mounted beside or below the boiler; if you want to place it below the boiler, the mounting accessories must be ordered separately, as they are not included in the 35 kW package.
sensoCOMFORT 720 controller
The wired wall-mounted controller adapts the heating to the outdoor temperature according to the set heating curve and at the same time controls water heating in the cylinder. It is operated via a 3.5" display and six backlit touch buttons. With expansion modules it can handle up to 9 heating circuits and a cascade of 2 to 7 boilers; once the sensoNET module is added, the heating can also be controlled in the sensoAPP app.
Technical specifications
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 Q 75 B cylinder
- Type: indirect hot water cylinder for mounting beside or below the boiler
- Nominal capacity: 68 l
- Energy class: B
- Corrosion protection: enamelled interior surface, built-in magnesium anode
- Heat exchanger surface area: 0.85 m²
- Water content of the heat exchanger: 3.5 l
- Maximum heat exchanger output: 30 kW
- Continuous hot water output: 738 l/h
- Heat-up time from 10 to 60 °C: 12 min
- Maximum hot water temperature: 85 °C
- Maximum heating water temperature: 110 °C
- Maximum operating pressure: 10 bar
- Standing heat loss: 0.9 kWh/24 h
- Heat exchanger, hot water and circulation connections: G 3/4"
- Height × width × depth: 720 × 440 × 440 mm
- Weight: 55 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
Does the package include a frame for hanging the cylinder below the boiler?
No. The hanging kit and the under-boiler spacer frame are only included in the packages with 10 and 25 kW boilers; with the 35 kW boiler they must be arranged separately. The same applies to the connection between the boiler and the cylinder.
Is a 68-litre cylinder sufficient for a 35 kW boiler?
Cylinder capacity is chosen according to hot water consumption, not heating output. The VIH Q 75 B is designed for smaller households – with a continuous output of 738 l/h and a heat-up time of 12 minutes, it is quickly ready again. If hot water will be drawn in several bathrooms at the same time, choose a package with a 117 l or 144 l floor-standing cylinder.
Can the heating be controlled from a mobile phone?
Yes, the sensoCOMFORT 720 controller supports the sensoAPP app. The internet connection is provided by the sensoNET module, which is not included in the package and is added to the boiler.
What is the IoniDetect function for?
The boiler continuously evaluates combustion and adjusts its settings automatically when the gas composition changes, so that it operates at the highest possible efficiency.
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: | with the option to connect a storage tank, boiler set with a 70 l storage tank |
| DHW tank size: | 68 |
| 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.
