120
MYNUTE X R
20 R
30 R - 40 R
20
Fig. 1
18
9
26
[EN] - Boiler operating elements
1 Water gauge
2 Drain valve
3 Three-way valve motor (stepper)
4 Pressure transducer
5 Safety valve
6 Circulation pump
7 Lower air vent valve
8 De-aeration tap
9 Delivery NTC probe
10 Limit thermostat
11 Main heat exchanger
12 Flame detection electrode/ionization sensor
13 Burner
14 Ignition electrode
15 Ignition transformer
16 Fume analysis sample cap
17 Fumes outlet
18 Fumes probe
19 Expansion vessel
20 Non-return valve
21 Fan
22 Mixer
23 Gas diaphragm
24 Gas valve
25 Siphon
26 Return NTC probe