Vaillant ecoTEC plus VU 6/5-5 Series Installation And Maintenance Instructions Manual page 10

Designated country (des-
ignation in accordance
with ISO 3166)
Approved gas boiler cat-
egories
Gas connection, boiler
side
Flow/return heating con-
nections, boiler side
Domestic hot and cold
water connection, boiler
side
Expansion relief valve
connection pipe (min.)
Air/flue gas connection
Condensate drain pipe-
work (min.)
G20 natural gas flow
pressure
G31 propane gas flow
pressure
Gas flow rate at 15 °C
and 1013 mbar (based
on domestic hot water
generation, if applicable),
G20
Gas flow rate at 15 °C
and 1013 mbar (based
on domestic hot water
generation, if applicable),
G31
Min. flue gas mass flow
rate (G20)
Min. flue gas mass flow
rate (G31)
Max. flue gas mass flow
rate
Min. flue gas temperature
Max. flue gas temperat-
ure
Approved gas boiler
types
30% efficiency
NOx class
Test symbol/registration
no.
SAP 2009/2012 annual
efficiency (%)
Boiler dimension, width
Boiler dimension, height
Boiler dimension, depth
Mounting weight
10
VUW 286/5-
5 (H-GB)
ecoTEC plus
838
GB (Great
Britain), IE
(Ireland)
II
2H3P
15 mm
22 mm
G 3/4"
15 mm
60/100 mm
19 mm
2.0 kPa
(20.0 mbar)
–
4.2 m³/h
–
3.05 g/s
–
17.9 g/s
40 ℃
70 ℃
C13, C33,
C43, C53
109.4 %
6
CE‑
0085CM0320
89.4 %
440 mm
720 mm
406 mm
44 kg
Installation and maintenance instructions 0020244997_07