3 Product description
10 Installation and maintenance instructions ecoTEC plus 0020209591_01
3 Product description
3.1 Product design
3.1.1 Functional elements, product for heating
mode only
7
8
9
10
13
11
12
14
15
18
5
4
1
2
3
16
17
6
1 Gas valve
2 Water pressure sensor
3 Venturi with mass flow
sensor
4 Heat exchanger
5 Connection for the flue
pipe
6 Flue gas measuring
stub pipe
7 Expansion vessel
8 Air intake pipe
9 Compact thermal mod-
ule
10 Ignition electrode
11 Fan
12 Automatic air vent
13 Pressure gauge
14 Internal pump
15 Bypass valve
16 Expansion relief valve
17 Diverter valve
18 Electronics box
3.1.2 Functional elements, product with hot
water generation
7
8
9
10
13
11
12
14
18
19
17
5
4
1
2
3
20
15
16
6
1 Gas valve
2 Water pressure sensor
3 Venturi with mass flow
sensor
4 Heat exchanger
5 Connection for the flue
pipe
6 Flue gas measuring
stub pipe
7 Expansion vessel
8 Air intake pipe
9 Compact thermal mod-
ule
10 Ignition electrode
11 Fan
12 Automatic air vent
13 Pressure gauge
14 Internal pump
15 Bypass valve
16 Expansion relief valve
17 Electronics box
18 Diverter valve
19 Impeller sensor (hot
water)
20 Secondary heat ex-
changer
3.2 Information on the identification plate
The identification plate is mounted on the underside of the
product in the factory.
Information on the
identification plate
Meaning
→ "CE label" section
Read the instructions.
VU… Vaillant gas-fired wall-hung boiler for
heating
VUW… Vaillant gas-fired wall-hung boiler for
heating and hot water generation
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