Vaillant ecoTEC plus 831 User Manual

Supplied By www.heating spares.co Tel. 0161 620 6677
9Instructions for installation and servicing ecoTEC
2.4 Installation
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14
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Fig. 2.2 Function elements of combination boilers
Legend:
1 Expansion vessel
2 Air intake pipe
3 Burner module
4 Ignition electrode
5 Fan
6 Diverter valve with by-pass
7 Pump
8 Aqua-Sensor
9 Electronics box
10 Pressure sensor
11 Hot water heat exchanger
12 Gas valve
13 Heat exchanger
14 Flue pipe connection
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Fig. 2.3 Function elements of system boilers
Legend:
1 Expansion vessel
2 Air intake pipe
3 Burner module
4 Ignition electrode
5 Fan
7 Pump
9 Electronics box
10 Pressure sensor
12 Gas valve
13 Heat exchanger
14 Flue pipe connection
2.5 Type plate
The type plate of the Valliant ecoTEC is attached to the
bottom of the appliance at the factory.
Boiler specifications 2

Vaillant ecoTEC plus 831 Specifications

General

Model	ecoTEC plus 831
Category	Boiler
Output	31 kW
ERP Rating	A
Mounting	Wall-mounted
Boiler Type	Combi
Type	Condensing
Fuel	Natural Gas
Warranty	5 years
Efficiency	89.3%
Dimensions	720mm x 440mm x 338mm