5144
3
FIXING TO THE BOILER
GAS SUPPLY LINE
In order to devide the combustion head from the rest of the burner, you have to:
- remove the connection (1) from the two valves;
- remove the 4 screws (2 - 3);
- slide the burner body (A) along the rails (4);
- mount the group (B) to the boiler’s plate (6) interposing gasket (5).
Mount the group (A) to the boiler front. Fit the nozzles and regulate the combustion head (as speci-
fied below).
S7539
6
5
4
1
3
2
B
A
{
{
1 - Gas supply pipe
7 - Min. gas pressure switch
2 - Manual valve
8 - Gas safety shut off valve
3 - Isolator joint
9 - 1° stage gas shut off valve
4 - Filter
10 - 2° stage gas shut off valve
5 - Pressure governor
11 - Burner
6 - Pressure test-point
12 - Gas leak control device
S7572
6
9
8
6
7
5
4
6
3
2
1
11
10
12
