De Dietrich MS 24 MI FF Manual Para El Usuario página 93

Figure 18
Key:
1 Pump and air separator
2 Check valve
3 Three-way valve
4 Three-way valve motor
5 Pressure gauge
6 Heating circuit extractable filter
7 Disconnector
8 Boiler filling tap
9 Cold water extractable filter
10 DHW priority sensor
11 NTC domestic hot water sensor
12 Check valve on automatic by-pass
13 Water pressure switch
INSTALLATION INSTRUCTIONS
24 MI
Heating flow DHW Gas
outlet
93
DHW Heating return
inlet
14 Boiler drain tap
15 Safety valve
16 Water-water plate heat exchanger
17 Gas valve with gas diaphragm
18 Gas train with nozzles
19 Central heating NTC sensor
20 Ignition/flame detection electrode
21 Safety thermostat
22 Water-fumes exchanger
23 Fumes conveyor
24 Fumes thermostat
25 Burner
26 Expansion vessel
71.03982.03 - EN