Chappee initia MASTER 2.24 FF - Boiler Schematics and Wiring

53
GB
CN
GR
FR
SP
PT
Boiler schematic
heating domestic water gas domestic water heating
inlet outlet inlet return
Figure 15
2.24 FF
Key:
1 overheat thermostat
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 adaptor
9 fan
10 negative pressure point
11
air pressure switch
12 positive pressure point
13 central heating NTC sensor
14 flame sensing electrode
15 main burner
16 expansion vessel
17 automatic air vent
18 pump and air separator
19 manometer
20 safety valve
21 automatic by-pass
22 DHW flow priority microswitch
23 boiler filling tap
24 boiler drain point
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