Baxi LUNA HT 380 Notice D'installation Et D'entretien page 10

SEALED CHAMBER
Fig. 1
Key:
1
heating delivery cock
2
shutoff gas device
3
boiler filling tap
4
cold water inlet on/off valve and filter
5 heating return cock
6 DHW NTC sensor / boiler unit NTC sensor
7 DHW priority sensor
8 Backflow Preventor
9 flow sensor, filter and flow restrictor
10 pressure relief valve
11 pressure gauge
12 boiler drain point
13 pump and air separator
14 automatic air vent
15 plate-type DHW heat exchanger
16 gas valve
17 flue-water exchanger
18 flame detector electrode
INSTALLATION AND SERVICING INSTRUCTIONS
heating domestic
flow water outlet
gas domestic heating
water inlet return
19 burner
20 ignition electrode
21 air/gas mixture header
22 mixer with venturi
23 gas diaphragm
24 fan
25 flue thermostat
26 coaxial fitting
27 automatic air vent
28 air pressure switch
29 expansion tank
30 flue header
31 central heating NTC sensor
32 105 °C / 221 °F overheat thermostat
33 water pressure switch
34 3-way valve motor
35 three way valve
36 condensate trap
10
7109741.01 - en