Vaillant ecoTEC pro Installation And Maintenance Instructions Manual

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Vaillant ecoTEC pro Installation And Maintenance Instructions Manual Manual pdf 64 page image

Technical data64 Installation and maintenance instructions ecoTEC pro 0020129672_031717 Technical dataecoTEC pro Unit pro 24 (VUW GB 246/5-3) pro 28 (VUW GB 286/5-3)Nominal heat output range P at 50/30 °C kW 5.7 - 19.9 6.9 - 25.7Nominal heat output range P at 80/60 °C kW 5.2 - 18.9 6.2 - 24.4Maximum heat output for hot water generation kW 23.4 28.6Maximum heat input for hot water generation kW 23.7 28.9Maximum heat input at the heating side kW 19.1 24.7Minimum heat input G20 kW 5.5 6.6Minimum heat input G31 kW — 8.7Minimum heat output G31 kW — 8.2Heating setting range kW 5 - 19 6 - 24HeatingMax. flow temperature °C 85Max. flow temperature setting range(factory setting: 75 °C) °C 30-80Min. pressure for full operation MPa/bar 0.08/0.8Permissible total over-pressure MPa/bar 0.3/3.0Expansion vessel capacity l 8Circulation water quantity (with reference to DT = 20 K) l/h 796 1032Condensate rate approx. (pH value 3.5 – 4.0)in heating mode 50 °C supply/30 °C return l/h 1.9 2.5Remaining feed head of pump (at nominal circulation watervolume) MPa/bar 0.025/0.25DHW modeLowest water volume l/min 1.5Water volume (at DT = 42 K) l/min 7.8 9.6Water volume (at DT = 35 K) l/min 9.4 11.5Water volume (at DT = 30 K) l/min 11.0 13.4Permitted overpressure MPa/bar 1.0/10.0Required connection pressure MPa/bar 0.035/0.35Hot water output temperature range °C 35-65GeneralBoiler-side gas connection mm 15Flow/return heating connections, boiler side mm 22Connecting the hot and cold water, boiler side Inches G 3/4Connector expansion relief valve (minimum) mm 15Condensate discharge pipework (minimum) mm 19Flue gas spigot mm 60/100 (concentric), optional 80/125 (concentric)Gas connection pressure (gas inlet working pressure)natural gas, G20 kPa/mbar 0.20/20Gas connection pressure (gas inlet working pressure)propane, G31 kPa/mbar 0.37/37Gas flow rate at 15 °C and 1013 mbar(based on hot water generation if applicable) G20G31m3/hkg/h2.51.843.12.25Flue gas mass flow min./max. g/s 2.5/10.6 3.0 (H gas); 3.9 (P gas)/13.0Flue gas temperature min./max. °C 40/70 40/75Certificated flue gas connections C13, C33, C43 , C53, C83, C83, B53PNOx class 5NOx mg/kWh 27.3 33.4SEDBUK (2005) ASEDBUK (2009) (G20/G31) 89.1/- 89.3/90.3Boiler dimensions (H x W x D) mm 720 x 440 x 335Mounting weight approx. kg 35 36Electrical connection V/Hz 230/50Built-in fuse 2 A, slow-blowElectrical power consumption min./max. W 90/105Standby electrical consumption W < 2 < 2Level of protection IP X4 DCertification number CE-0085CM032017.1 Technical data