Vaillant ecoTEC VU 466/4 - Description of the boiler

Installation and maintenance instructions ecoTEC 0020029172_034
2 Description of the boiler
2.1 Design
1
2
3
4
5
6
7
8
15
14
13
12
11
9
10
Fig. 2.1 Functional components
Legend:
1 Connection for the air/flue gas duct
2 Heat exchanger
3 Compact thermal module
4 Flow rate sensor
5 Fan
6 Water pressure sensor
7 Pump
8 Connection for expansion vessel
9 Connection for expansion relief valve
10 Electronic box
11 Air separation system
12 Automatic air vent
13 Gas valve
14 Ignition electrode
15 Air intake pipe
h
Note!
When using accessories observe the minimum
gaps/mounting clearances (see Chapter 4.5).
2 Description of the boiler