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