Technical Data - Vaillant ecoTEC sustain 24 Installation And Maintenance Instructions Manual

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Technical data

Technical data – General
Gas category
Diameter of the gas pipe
Diameter of the heating pipe
Diameter of the domestic hot water
pipe
Expansion relief valve connector
(min.)
Condensate discharge pipe (min.)
G20 gas supply pressure
G31 gas supply pressure
Gas flow at P max. – domestic hot
water (G20)
CE number (PIN)
SAP 2009/2012 annual efficiency (%)
Flue gas mass flow rate in heating
mode at P min.
Flue gas mass flow rate in heating
mode at P max.
Flue gas mass flow rate in domestic
hot water mode at P max.
Released system types
Min. flue gas temperature
Max. flue gas temperature
Nominal efficiency at 80/60 °C
Nominal efficiency at 50/30 °C
Partial load nominal efficiency (30%)
NOx class
Product dimensions, width
Product dimensions, depth
Product dimensions, height
Net weight
Weight when filled with water
Technical data – G20
Effective output range (P) at 50/30 °C
Effective output range (P) at 80/60 °C
Heat output range – domestic hot wa-
ter or cylinder reheating (P)
Maximum heat input – heating (Q
max.)
Minimum heat input – heating (Q min.)
Maximum heat input – Domestic hot
water or cylinder reheating (Q max.)
Minimum heat input – Domestic hot
water or cylinder reheating (Q min.)
8
VUW 246/7-2 (H- VUW 286/7-2 (H-
GB) GB)
II2H3P II2H3P
1/2" 1/2"
3/4" 3/4"
3/4" 3/4"
15.0 mm 15.0 mm
21.5 mm 21.5 mm
2.0 kPa 2.0 kPa
(20.0 mbar) (20.0 mbar)
3.7 kPa 3.7 kPa
(37.0 mbar) (37.0 mbar)
2.6 m³/h 3.0 m³/h
CE-0063CR3775 CE-0063CR3775
89.2 89.1
3.1 g/s 3.6 g/s
8.9 g/s 8.9 g/s
11.6 g/s 13.6 g/s
C13, C33, C43, C53 C13, C33, C43, C53
44 ℃ 41 ℃
85 ℃ 95 ℃
98.9 % 98.9 %
107.5 % 107.3 %
107.4 % 108.0 %
6 6
440 mm 440 mm
338 mm 338 mm
720 mm 720 mm
30.8 kg 30.8 kg
33.5 kg 33.5 kg
VUW 246/7-2 (H- VUW 286/7-2 (H-
GB) GB)
7.0 to 20.1 kW 8.0 to 20.1 kW
6.4 to 18.5 kW 7.4 to 18.5 kW
6.6 to 24.3 kW 7.5 to 28.1 kW
18.7 kW 18.7 kW
6.6 kW 7.6 kW
24.4 kW 28.5 kW
6.6 kW 7.6 kW
Installation and maintenance instructions ecoTEC sustain 0020253094_05
VUW 346/7-2 (H-
GB)
II2H3P
1/2"
3/4"
3/4"
15.0 mm
21.5 mm
2.0 kPa
(20.0 mbar)
3.7 kPa
(37.0 mbar)
3.7 m³/h
CE-0063CR3775
89.2
4.1 g/s
8.9 g/s
16.5 g/s
C13, C33, C43, C53
43 ℃
99 ℃
98.9 %
106.6 %
108.1 %
6
440 mm
338 mm
720 mm
32.8 kg
35.9 kg
VUW 346/7-2 (H-
GB)
9.1 to 19.9 kW
8.4 to 18.5 kW
8.4 to 34.0 kW
18.7 kW
8.6 kW
34.6 kW
8.6 kW