Riello 40 GS10/M Installation, Use And Maintenance Instructions page 22

GAS TRAIN ACCORDING TO EN 676
GAS TRAIN
TYPE
MB-VEF 407 B01 3970535
MB-VEF 412 B01 3970536
The gas train is supplied separately, for its adjustment see the enclosed instructions.
CONNECTION OF PRESSURE TAPS TO GAS TRAIN
Connect proceeding as follows:
Secure the three G1/8 connectors (one supplied

with the burner and two with the train) at points A,
P f and P l .
Secure the M12 connector at point B.

Cut the pipe supplied with the burner into equal

halves.
Connect boiler tap A with valve tap P f and sleeve

tap B with valve tap P l using the previously cut
pipes.
GAS PRESSURE
MODEL kW
22
32
42
52
62
71
81
91
101
111
43
60
77
93
110
127
144
160
177
194
2622
MATCHED
BURNER
CODE
GS10-20/M
GS20/M
G20 G25
0,5 0,7
0,9 1,4
1,4 2,2
2,0 3,0
2,6 3,9
3,2 4,8
4,0 5,9
4,8 7,1
5,6 8,4
6,6 9,8
2,0 3,1
2,4 3,6
2,8 4,2
3,2 4,8
3,6 5,3
4,0 5,9
4,3 6,5
4,7 7,0
5,1 7,6
5,5 8,2
CONNECTIONS
INLET OUTLET
Rp 3/4 Rp 3/4
Rp 3/4 Rp 3/4
G31
0,5
1,2
2,0
2,9
3,7
4,5
5,4
6,4
7,4
8,4
2,0
2,8
3,5
4,2
4,9
5,6
6,2
6,8
7,4
8,0
6 GB
USE
Natural gas and LPG
Natural gas high capacity
A
B
Pf
P l

120 kW
D4272