
4.3
Main parts
4.3.1.
Boiler
1
Fuel supply pipes
2
Oil filter (40 µm) + dea stop valve
3
Modulating oil burner preassembled and preset
4
Flue gas measuring point / Combustive air
5
Flue gas discharge pipe (Diameter 80 mm)
6
Air intake (Diameter 125 mm)
7
Expansion vessel 18 litres
8
Electronic pressure sensor (Pressure in the heating
circuit)
9
Modulating heating pump
10
Condensates evacuation pipe
11
Drain cock
12
0.3 MPa safety valve (3 bar)
13
Condensate trap
14
Heating pump circuit mixing valve (Option)
15
Motorised 3-way mixing valve (Option)
16
Connection PCBs (PCU + SCU)
17
Command module
18
On/Off switch
19
Flue gas pressure switch
C003129-G
5
6
7
17
18
16
8
9
13
14
19
15
11
10
3
4
1
2
12
AFC 18 - AFC 24 - AFC 30
4. Product description
09/07/2015 - 300026439-07
25