Technical data

25
924.674.3 - GBINSTRUCTIONS PERTAINING TO THE INSTALLER
Key:
1 water pressure switch
2 automatic bypass
3 gas valve
4 ignition electrode
5 central heating NTC sensor
6 overheat safety thermostat
7 ue-water exchanger
8 ue hood
9 ue thermostat
10 ame detector electrode
11 main burner
12 burner injectors
13 expansion vessel
14 automatic air vent
15 pump and air separator
16 boiler drain point
17 manometer
18 pressure relief valve
1.240 i
Figure 23
0510_0403/CG1655
heating gas domestic heating
inlet water inlet return