n
Boiler with 3-way valve option - Circuit B (Option
integrable)
1
On/Off switch
2
Control panel
3
Burner
4
Automatic air vent
5
Heating flow direct circuit
6
Heating return direct circuit
7
Heating body
8
Direct circuit circulating pump
9
0.3 MPa safety valve (3 bar)
10
Condensate trap
11
Flue gas discharge
12
3-way valve
13
Heating return valve circuit
14
Heating flow valve circuit
15
Heating pump circuit mixing valve
16
Non-return valve
12
C
0
0
3
1
3
1
-i
4
5
6
3
8
9
7
13
14
15
11
10
2
1
16
16
4. Product description
AFC 18 - AFC 24 - AFC 30
16
09/07/2015 - 300026439-07