Baxi ECO 3 240 Fi Manual Para El Usuario Y El Instalador página 24

Figure 
Key:
1 water pressure switch
 automatic bypass
3 gas valve
4 ignition electrode
5 central heating NTC sensor
6 overheat safety thermostat
7 flue-water exchanger
8 flue hood
9 fan
10 air pressure switch
11 positive pressure point
(Not featured on 1.140 Fi)
instructions pertaininG to the
1.240 fi
seaLeD chaMBer
heating gas
inlet
1 negative pressure point
13 flame detector electrode
14 main burner
15 burner injectors
16 expansion vessel
17 automatic air vent
18 pump and air separator
19 boiler drain point
0 manometer
1 pressure relief valve
instaLLer
4
domestic heating
water inlet return
94.674. - GB