Baxi Luna 3 Comfort Manual Para El Usuario Y El Instalador página 35

Figure 21
Key:
1 D.H.W. priority sensor
2 Water pressure switch
3 Three way valve
4 D.H.W. NTC sensor
5 Flow sensor with filter and water flow rate limiter
6 Three way valve motor
7 Gas valve
8 Expansion vessel
9 Ignition electrode
10 Central heating NTC sensor
11 Overheat safety thermostat
12 Flue-water exchanger
INSTRUCTIONS PERTAINING TO THE INSTALLER
240 i
heating domestic gas
inlet water outlet
13 Flue hood
14 Flue thermostat
15 Flame detector electrode
16 Burner
17 Burner injectors
18 D.H.W. plate heat exchanger (automatic by-pass)
19 Pump and air separator
20 System filling cock
21 Boiler drain point
22 Manometer
23 Pressure relief valve
35
domestic heating
water inlet return
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