Vaillant ecoTEC sustain 24 Installation And Maintenance Instructions Manual

Also see for ecoTEC sustain 24: Operating instructions Installation and maintenance instructions

Appendix0020253094_01 ecoTEC sustain Installation and maintenance instructions 51Technical data – Domestic hot waterVUW 246/7-2 (H-GB)VUW 286/7-2 (H-GB)VUW 346/7-2 (H-GB)Minimum water flow 1.7 l/min 1.7 l/min 1.7 l/minSpecific flow rate (D) (ΔT = 30 K) inaccordance with EN 1320311.5 l/min 13.5 l/min 16.5 l/minSpecific flow rate (ΔT = 35 K) 9.9 l/min 11.6 l/min 14.1 l/minMinimum permissible pressure 0.03 MPa(0.30 bar)0.03 MPa(0.30 bar)0.03 MPa(0.30 bar)Maximum permissible pressure(PMW)1 MPa(10 bar)1 MPa(10 bar)1 MPa(10 bar)Temperature range 35 … 60 ℃ 35 … 60 ℃ 35 … 60 ℃Flow rate limiter for cold water 8.0 l/min 10.0 l/min 12.0 l/minHot water comfort in accordance withthe standard EN 13203** ** **Technical data – GeneralVUW 246/7-2 (H-GB)VUW 286/7-2 (H-GB)VUW 346/7-2 (H-GB)Gas category II2H3P II2H3P II2H3PDiameter of the gas pipe 1/2" 1/2" 1/2"Diameter of the heating pipe 3/4" 3/4" 3/4"Diameter of the domestic hot waterpipe3/4" 3/4" 3/4"Expansion relief valve connector(min.)15.0 mm 15.0 mm 15.0 mmCondensed water discharge pipe(min.)21.5 mm 21.5 mm 21.5 mmG20 gas supply pressure 2.0 kPa(20.0 mbar)2.0 kPa(20.0 mbar)2.0 kPa(20.0 mbar)G31 gas supply pressure 3.7 kPa(37.0 mbar)3.7 kPa(37.0 mbar)3.7 kPa(37.0 mbar)Gas flow at P max. – domestic hotwater (G20)2.6 m³/h 3.0 m³/h 3.7 m³/hCE number (PIN) CE-0063CR3775 CE-0063CR3775 CE-0063CR3775Smoke mass flow in heating mode atP min.3.1 g/s 3.6 g/s 4.1 g/sSmoke mass flow in heating mode atP max.8.9 g/s 8.9 g/s 8.9 g/sSmoke mass flow in domestic hotwater mode at P max.11.6 g/s 13.6 g/s 16.5 g/sReleased system types C13, C33, C43, C53 C13, C33, C43, C53 C13, C33, C43, C53Min. flue gas temperature 44 ℃ 41 ℃ 43 ℃Max. flue gas temperature 85 ℃ 95 ℃ 99 ℃Nominal efficiency at 80/60 °C 98.9 % 98.9 % 98.9 %Nominal efficiency at 50/30 °C 107.5 % 107.3 % 106.6 %Nominal efficiency in partial load op-eration (30%) at 40/30 °C107.4 % 108.0 % 108.1 %NOx class 6 6 6Product dimensions, width 440 mm 440 mm 440 mmProduct dimensions, depth 337 mm 337 mm 337 mmProduct dimensions, height 720 mm 720 mm 720 mmNet weight 30.8 kg 30.8 kg 32.8 kgWeight when filled with water 33.5 kg 33.5 kg 35.9 kg