Technical Data - Vaillant ecoTEC plus Installation And Maintenance Instructions Manual

3

Technical data

Technical data – General
Designated country (des-
ignation in accordance
with ISO 3166)
Approved unit categories
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
Min. flue gas mass flow
rate (G20)
Max. flue gas mass 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
Operating weight (with
water)
Shift-load cylinder capa-
city
8
VUI 286/5-
5 (H-GB)
ecoTEC plus
938
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)
3.7 kPa
(37.0 mbar)
4.2 m³/h
3.05 g/s
17.9 g/s
40 ℃
70 ℃
B33, B33P,
B53,
B53P,C13,
C33, C43,
C53, C83,
C93
109.4 %
6
CE‑
0085CM0321
89.4 %
440 mm
720 mm
624 mm
–
43 kg
VUW
–
17 kg
VIHCL
–
51 kg
VUW
–
32 kg
VIHCL
15 l
Technical data – G20 power/loading G20
Nominal heat output
range P at 50/30 °C
Nominal heat output
range P at 80/60 °C
Maximum heat output
for domestic hot water
generation
Maximum heat input for
domestic hot water gen-
eration
Maximum heat input,
heating side
Minimum heat input
Heating adjustment range
Nominal heat input ef-
ficiency (stationary) at
40/30 °C
Nominal heat input ef-
ficiency (stationary) at
50/30 °C
Nominal heat input ef-
ficiency (stationary) at
60/40 °C
Nominal heat input ef-
ficiency (stationary) at
80/60 °C
Technical data – Power/loading G31
Nominal heat output
range P at 50/30 °C
Nominal heat output
range P at 80/60 °C
Maximum heat output
for domestic hot water
generation
Maximum heat input for
domestic hot water gen-
eration
Maximum heat input,
heating side
Minimum heat input
Nominal heat input ef-
ficiency (stationary) at
40/30 °C
Nominal heat input ef-
ficiency (stationary) at
50/30 °C
Nominal heat input ef-
ficiency (stationary) at
60/40 °C
Nominal heat input ef-
ficiency (stationary) at
80/60 °C
Installation and maintenance instructions ecoTEC plus 0020244998_04
VUI 286/5-
5 (H-GB)
ecoTEC plus
938
7.1 to 30.9 kW
6.5 to 28.6 kW
38.7 kW
39.2 kW
28.9 kW
6.8 kW
6 to 29 kW
107.0 %
107.0 %
101.0 %
98.0 %
VUI 286/5-
5 (H-GB)
ecoTEC plus
938
9.4 to 29.8 kW
8.7 to 28.6 kW
38.7 kW
39.2 kW
28.9 kW
9.0 kW
104.0 %
103.0 %
101.0 %
98.0 %