Commercial Systems I Heating I Hot Water I Renewables

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For over 135 years Vaillant has been leading the way in the development of domestic and commercial heating and hot water technology. A family owned global company As a renowned global family owned company, we have pioneered products that have revolutionised the heating industry. Today, our innovative solutions are still setting the standards in the heating market place. Whether it’s our large output wall hung and floor standing condensing commercial boilers - with the ability to install into a cascade formation - or our commercial renewable solutions including solar thermal and heat pumps, capable...

‘The Vaillant Experience’ demonstrates that we strive to be the best in all we do and that Vaillant has always stood for premium quality. So, when it comes to customer training, you know you’re getting the best the industry can offer. Our training courses are designed for Gas Safe Registered Installers, low carbon and renewable technology installers, local authorities, housing associations, architects, specifiers, merchants and stockists. As the industry’s leading training provider, we offer an all-encompassing range of courses on domestic boilers, cylinders, solar domestic hot water systems,...

The Vaillant name has long been associated with technological advances in the heating and hot water industry. Today, as well as focusing our energies on taking home heating comfort to a new level, we are applying this passion for innovation to the commercial arena. The world is changing and, just as we recognise the importance of developing ever more sustainable heating solutions for the home, Vaillant is also harnessing its unrivalled expertise to deliver these same technological advances to the commercial heating environment. For instance, we have developed a range of large output boilers that...

ecoTEC Wall hung condensing boiler range

High efficiency condensing gas system boilers With a whole host of built-in features, installation and servicing of ecoTEC commercial boilers could not be more straightforward. Lightweight for its class, compact design, and a comprehensive range of flues, fittings and accessories means that ecoTEC boilers can be sited almost anywhere. For larger buildings, or buildings with more complex layouts, multiple boilers can be installed in cascade to provide a highly effective and extremely efficient heating system. They are configured to automatically optimise heat and hot water supply according to...

ecoTEC 46 & 65 Case study - Le Personne Trust Client: Le Personne Trust Contractor: S&S Engineering Ltd Project: Commercial heating solution When the Le Personne Trust in Caterham, Surrey, needed a highly efficient and economical heating solution to help cut heating bills, only one manufacturer truly fitted the bill – Vaillant. Meeting the challenge Le Personne Trust was established in 1941 from a legacy from Mr Louis Le Personne in memory of his wife, Henrietta Frances, who was the first lady County Councillor in Surrey. The Trust has been providing affordable housing for the elderly ladies...

System design VR 61/2 wiring centre Vaillant VR 61/2 Extension Module open close mains input connection HK2 circuit mixing valve 230 mains voltage terminals A typical single boiler installation Cylinder primary pump LP or sec pump ZP Variable temperature direct circuit –HK1 Variable temperature mixing circuit –HK2 Please note: The default setting in the VRC 470 program for the LP/ZP output is ZP which will switch on the cylinder secondary pump. If this connection is to be used for the cylinder primary pump (as shown), then the LP/ZP relay connection setting in the installer level system configuration...

HK2 circuit mixing valve HK1 circuit pump Hot water secondary pump 230 volt mains input connection fuse at 3 amps factory links must be fitted safety circuit ecoTEC 466 & 656 / ecoCRAFT boiler terminals 230 volt mains input connection fuse at 3 amps VR 32 BUS coupler for No 2 boiler -set the BUS address to 2. factory links must be fitted safety circuit 230 mains voltage terminals Low voltage terminals ecoTEC 466 & 656 / ecoCRAFT boiler terminals VR 32 BUS coupler for No 1 boiler -set the BUS address to 1. 230 volt mains input connection fuse at 3 amps factory links must be fitted 230 mains voltage...

Heat exchanger Burner Silencer Flow switch Gas valve Pressure switch Fan Automatic air vent Pump Air separator Electronics/PCB Key A Pressure differential switch B Heat exchanger C Air intake D Auto air vent E Burner F Air separator G Mixing arm H Pressure switch I Flow switch J Fan K Gas valve L Pump M Electronic/PCB board Service valves Flow and return isolation valve All ecoTEC boilers are supplied with the above

Required minimum gaps/assembly clearances For the installation/assembly of the boiler as well as for Required minimum gaps/assembly clearances For the installation/assembly of the boiler as well as for carrying out future maintenance tasks, you need the 121minimum gaps and assembly clearances given below: carrying out future maintenance tasks, you need the minimum gaps and assembly clearances given below: Key 1 Flue gas connection, 80/125 mm Connection dimensions in mm Connection dimensions in mm Connection dimensions in mm Key Key 1. Flue gas connection, 80/125mm diameter, dimension A 1. Flue...

Technical specifications ecoTEC Article number Heat output range (heating 50/30°C) Heat output range (heating 80/60°C) Maximum heat input (net) SEDBUK 2009 annual efficiency Part L2 seasonal efficiency (natural gas) Part L2 seasonal efficiency (LPG) Inlet gas working pressure required (natural gas) Inlet gas working pressure required (LPG) NOx class NOx levels CO2 percentage (after 5 minutes full load +/- 1) Water flow rate (when ∆T = 20K) Available pump head (without check valve) Available pump head (with check valve) Pressure drop across the heat exchanger (at full load and 20K temperature...