34
910.024.1 - EN (AUS)
INSTRUCTIONS PERTAINING TO THE INSTALLER
Legend:
1
boiler drain point
2
manometer
3
siphon
4
NTC delivery heating probe
5
105°C overheat thermostat
6
gas valve
7
flue-water exchanger
8
flame detector electrode
9
burner
10
ignition electrode
11
gas mixture header
12
mixer with venturi
13
gas diaphragm
14
fan
15
flue thermostat
16
coaxial fitting
17
automatic air vent
18
hydraulic pressure sensor
19
NTC return heating probe
21. BOILER SCHEMATIC
Figure 18
air/gas
diaphragm
CR_0310_GB / 0911_2605