Vaillant VUW 246/5-3 (H-GB), Installation And Maintenance Instructions Manual

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8
Installation and maintenance instructions ecoTEC pro 0020244995_04
3 Technical data
Technical data
–
General
VUW 246/5-
3 (H-GB)
ecoTEC pro
24 VUW 286/5-
3 (H-GB)
ecoTEC pro
28 VUW 286/5-
3 (P-GB)
ecoTEC pro
28
Designated country (des-
ignation in accordance
with ISO 3166)
GB (Great
Britain), IE
(Ireland) GB (Great
Britain), IE
(Ireland) GB (Great
Britain), IE
(Ireland)
Approved unit categories II
2H3P
II
2H3P
II
2H3P
Gas connection, boiler
side 15 mm 15 mm 15 mm
Flow/return heating con-
nections, boiler side 22 mm 22 mm 22 mm
Hot and cold water con-
nection, boiler side G 3/4
″
G 3/4
″
G 3/4
″
Expansion relief valve
connection pipe (min.) 15 mm 15 mm 15 mm
Air/flue gas connection
60/100 mm 60/100 mm 60/100 mm
Condensate drain pipe-
work (min.) 19 mm 19 mm 19 mm
G20 natural gas flow
pressure 2.0 kPa
(20.0 mbar) 2.0 kPa
(20.0 mbar)
–
G31 propane gas flow
pressure
– –
3.7 kPa
(37.0 mbar)
Gas flow rate at 15 °C
and 1013 mbar (based
on domestic hot water
generation, if applicable),
G20 2.5 m
³
/h 2.9 m
³
/h
–
Gas flow rate at 15 °C
and 1013 mbar (based
on domestic hot water
generation, if applicable),
G31
– –
2.2 kg/h
Min. flue gas mass flow
rate (G20) 2.47 g/s 2.47 g/s
–
Min. flue gas mass flow
rate (G31)
– –
3.49 g/s
Max. flue gas mass rate
10.8 g/s 12.6 g/s 12.6 g/s
Min. flue gas temperature 40
℃
40
℃
40
℃
Max. flue gas temperat-
ure 70
℃
70
℃
70
℃
Approved gas-fired units C13, C33,
C43, C53 C13, C33,
C43, C53 C13, C33,
C43, C53
30% efficiency 109.4 % 109.4 % 108 %
NOx class 6 6 6
Test symbol/registration
no. CE
‑
0085CM0320
CE
‑
0085CM0320
CE
‑
0085CM0320
SAP 2009/2012 annual
efficiency (%) 89.5 % 89.5 % 89.7 %
Boiler dimension, width 440 mm 440 mm 440 mm
Boiler dimension, height 720 mm 720 mm 720 mm
Boiler dimension, depth 338 mm 338 mm 338 mm
Approx. net weight
38 kg 38 kg 38 kg