Viadrus VIADRUS K 5, Руководство по эксплуатации и установке

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4 Boiler description
4.1 Boiler structure
1. boiler frame with insulation
2. heat-exchanger with bracket
3. electric fan
4. Venturi tube
5. HW reservoir with capacity of 60l with insulation
6. expansion tank 10l
7. hydro-block
8. gas valve
9. return boiler pipe
10. heating boiler pipe
11. bottom gas pipe
12. bottom gas pipe
13. heating water pipe
14. return water pipe
15. manual air-relief valve
16. siphon
17. condensate exhaust
18. electric panel with LMS control board, display and
manometer
19. right side part of cladding with insulation
20. left side part of cladding with insulation
21. front part of cladding with insulation
22. hangup bracket
23. fume-extraction system DN60
Fig. № . 1 Boiler assembly
The base of the structure is a silumin heat-exchanger Furesoro 3 produced by Dejatech. This boiler is also
equipped with a premix burner. Combustion mixture is mixed in the mixer with the preliminary defined proportion of
air and gas in the whole power range. Air is mixed with gas in the mixer before the modulating fan, and the mixture
is afterward combusted in the burner.
The boiler is also equipped with an electronic control unit LMS and a gas valve. Flame monitoring is provided by an
ionizing electrode.
If you want to control the boiler equithermally, it is necessary to connect an outdoor sensor. In this case we
recommend using one of communication devices, seeing chapter 5.3.
To increase the number of heating circuits, you can use an expansion module according to the project materials.