Why Vaillant? Because the ecotec delivers day in, day out. Vaillant ecotec boiler range. The TECHNICAL Brochure

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1 Why Vaillant? Because the ecotec delivers day in, day out Vaillant ecotec boiler range The TECHNICAL Brochure

2 The TECHNICAL Brochure UniSTOR unvented cylinders is a range of six high grade stainless steel unvented cylinders from Vaillant. Finished with stylish casing, they are available in a range of sizes from 120 litres to 310 litres. 54 The stainless steel cylinder range can be used together with any Vaillant system and open vent boiler (or any existing system or open vent boiler). They work in perfection when used with the ecotec range of system boilers, where they can make full use of Vaillant s intelligent ebus temperature sensing controls as part of Vaillant s Total System Solution. Key features and benefits: cylinders operate using a mains water pressure supply and do not require a feed from a cold water storage tank All necessary cold and hot water controls and a 2-port valve for control of domestic hot water are supplied All cylinders are backed by a full 2 year guarantee as well as a 25 year guarantee on the cylinder shell Complete with G3 kit and expansion vessel

3 UniSTOR unvented cylinders stainless steel unvented cylinder Article number External case height (mm) Diameter (mm) Approx weight when empty (Kg)

4 technical specification 120 / 155 / 180 / 210 / 260 / 310L Technical data Unit Article number Total capacity l Actual capacity l Hot water capacity l Maximum supply pressure to pressure reducing valve MPa (bar) 1.2 (12) 1.2 (12) Rated pressure of cylinder MPa (bar) 0.7 (7) 0.7 (7) Maximum operating pressure of heating coil MPa (bar) 0.35 (3.5) 0.35 (3.5) Pressure reducing valve MPa (bar) 0.35 (3.5) Expansion relief valve MPa (bar) 0.6 (6.0) 0.35 (3.5) 0.6 (6.0) Temperature and pressure relief valve C MPa (bar) (7) (7) Charge pressure of hot water expansion vessel MPa (bar) 0.4 (4) 0.4 (4) Maximum temperature of heating circuit C Maximum temperature of potable hot water C Standing heat loss kw/24 h Heat up time according to EN mins Recovery time (70% capacity) kw performance l/min Flow rate for primary heat exchanger performance l/min pressure drop mbar volume l surface area m

5 120 / 155 / 180 / 210 / 260 / 310L Technical data Unit Article number Height mm Height with hot water draw off l Topple measure mm Diameter mm Depth mm 633 Net weight kg Weight (full) kg Connections UniSTOR unvented cylinders Cold water inlet Hot water draw off Pressure-controlled cold water inlet Secondary return Primary heater flow Primary heater return Primary heating circuit immersion sleeve size Electrical connections Immersion heater (according to ENBS 60335) 15mm unprofiled pipe (crimp joints) mm kw, 230 V, 50 Hz 15mm unprofiled pipe (crimp joints) kw, 230 V, 50 Hz Length of immersion heater inch Two port motorised valve Cylinder thermostat Material data Cylinder body material Stainless steel (1.4521) Stainless steel (1.4521) Cylinder jacket material Insulation material Polypropylene EPS with heat radiation absorber Polypropylene EPS with heat radiation absorber Insulation thickness mm Corrosion protection Blowing agent for insulation material Stainless steel Pentane (GWP < 5) Stainless steel Pentane (GWP < 5) Ozone Depletion Potential

6 Training Enquiries After Sales For information on training courses and centres in your area: Telephone: For support after your boiler has been installed, whether you would like to book a service or are in need of technical advice, our operators are available 7 days a week, 364 days a year. Telephone: Sales Enquiries Technical Enquiries For installers wishing to purchase Vaillant products, this is possible either over the counter or as a next day service at most plumbing and heating merchants in the UK. To find contact details for your nearest Vaillant sales representative: Telephone: For technical assistance: Telephone: technical@vaillant.co.uk Vaillant Group UK Ltd. Nottingham Road, Belper, Derbyshire DE56 1JT info@vaillant.co.uk 72 VAECOTEC V2 June 15