
n
Boiler with 220SHL type domestic hot water tank
1
On/Off switch
2
Control panel
3
Burner
4
Automatic air vent
5
Heating flow
6
Heating return
7
Non-return valve
8
Heating body
9
Circulation pump
10
0.3 MPa safety valve (3 bar)
11
Condensate trap
12
Calorifier load pump
13
Flue gas discharge
14
Domestic water solar coil
15
Primary solar circuit filling and draining device
16
Solar expansion vessel 12 l
17
solar circulation pump
18
Domestic hot water tank
19
Antithermosiphon valve operated by the spherical plug
valve
20
Degasser with manual purge to the solar circuit drain
valve
C003834-C
2
1
3
4
5
6
8
9
7
10
11
12 7 13
15
14
24
25
27
28
26
16
17
18
19
20
21
22
23
AFC 18 - AFC 24 - AFC 30
4. Product description
09/07/2015 - 300026439-07
19