Chappee initia MASTER 2.24 FF - Page 16

GB
54
CN
GR
FR
SP
PT
Boiler schematic
heating domestic water gas domestic water heating
inlet outlet inlet return
Figure 16
0208_2903
2.24 CF
Key:
1 boiler drain point
2 hydraulic pressure sensor
3 gas valve
4 gas train with injectors
5 ignition electrode
6 flue-water exchanger
7 DHW NTC sensor
8 flue gas hood
9 flue gas thermostat
10 central heating NTC sensor
11 flame sensing electrode
12 main burner
13 expansion vessel
14 automatic air vent
15 pump and air separator
16 manometer
17 safety valve
18 boiler filling tap
19 DHW flow priority microswitch
20 automatic by-pass
21 overheat thermostat