SKU: 0010021533
Vaillant ecoTEC plus VU OE 656/5-5 single-circuit condensing gas boiler
Heating condensing boiler with DHW heating in combination with a DHW cylinder
- Average efficiency for the heating season 109%
- Modulating burner, output range from 20% to 100%
- Ideal for installation in a cascade, creating compact rooftop boilers
Description ecoTEC plus
- Gas wall-mounted heater using the latent heat of condensation
- New modification of the time-tested ecoTEC technology. Made 12 innovative changes.
- Heating and DHW heating (in combination with a DHW cylinder)
- Wide range of power regulation - from 20% to 100%
- Possibility of using combustion air both from inside and outside
- Average efficiency for the heating season 109%
- Economical use of electricity.
- Service-friendly design. Access to the boiler from the front.
ecoTEC plus equipment
- Built-in frequency-controlled pump for the heating system, automatic air separator, safety valve, condensate drain from the unit and rainwater collector
- Electronic pressure sensor. flow sensor
- Electronic ignition and control over the combustion process
- Protection against pump jamming when idle for more than 23 hours
- "Setup assistant" software function for easy parameter setting at first start-up
- Backlit display with intuitive interface.
Version VU OE 656/5-5 SKU 10021533 Specifications Thermal power (at 50/30°C), kW 12.2-63.5 Thermal power (at 80/60°C), kW 11.8-61.7 Flue gas temperature min/max, °C 40/70 Mass. flue gas flow min/max, g/s 5.3 / 27.0 Condensate formation (pH 3.5-4) at 50/30°C, l/h 6.5 Max. supply line temperature, °С 85 Supply line temperature setting range, °C 35 - 85 Max. operating pressure in the heating circuit, bar four Nominal heating water consumption, l/h 2500 Electrical connection, V / Hz 230/50 Electricity consumption, no more than, W 250 Connection dimensions: Chimney, mm 80/125 Gas pipeline, mm 25 (R1”) Heating circuits, without hot water supply, mm Rp 1” Dimensions: Width, mm 720 Height, mm 440 Depth, mm 473 Weight (not filled), kg 47.2
