Boiler Schematic - Baxi Luna 3 System HT Gebrauchsanleitung Für Den Verbraucher Und Den Installateur

Figure 21
Legende:
1 heating delivery cock
2 gas service cock
3
gas valve
4
boiler filling tap
5
heating return cock
6
pressure relief valve
7
manometer
8
boiler drain point
9
pump and air separator
10
NTC central heating return sensor
11 flue-water exchanger
12 flame detector electrode
13 main burner
14 ignition electrode
15 air/gas mixture header
InstructIons pertaInInG to the InstaLLer

24. boIler sChematIC

sealed chamber
heating domestic water gas
inlet outlet
16 mixer with venturi
17 gas diaphragm
18 fan
19 flue thermostat
20 coaxial fitting
21 automatic air vent
22 expansion vessel
23 fumes header
24 105°C overheat thermostat
25 central heating NTC sensor
26 3-way valve motor
27 three-way valve
28 hydraulic pressure switch
29 automatic bypass
30 siphon
60
domestic water heating
inlet return
926.423.1 - GB