BaltGaz NEVALUX 7224 User Manual page 25

Boilers flow chart «BaltGaz NEVALUX−7224»
13.1.
Inlet air
HC outlet DHW outlet
1 - Air pressure switch;
2 - fan;
3 - exhaust flue;
4 - heat exchanger;
5 - burner block (burner);
6 - ignition plug;
7 - sealed chamber;
8 - gas supply regulator;
9 - thermo relay;
10 - CH temperature sensor;
Combustion products
Gas inlet Cold water inlet
11 - Ionization plug;
12 - Bypass valve;
13 - Drain valve;
14 - DHW temperature sensor;
15 - DHW flow sensor;
16 - CH feeding valve;
17 - Safety valve (CH);
18 - manometer;
Scheme. 12. Flow chart
Inlet air
HC inlet
19 - pump;
20 - air duct valve (automatic);
21 - expansion tank;
22 - electronic board;
23 - igniter;
24 - power cable;
25 - pressure sensor.
User's manual