Riello 20032946 - 5.15.2 Gas Train; 5.15.3 Gas Pressure

20033283
22
GB
Installation
5.15.2 Gas train
It is type-approved according to EN 676 Standards and is sup-
plied separately from the burner with the code indicated in Tab. J.
Tab. J
Key Tab. J
C.T. Gas valves 8) - 9) leak detection control devices:
- Gas train without gas valve leak detection control device;
device that can be ordered separately and assembled sub-
sequently (see Column 12).
 Gas train with assembled VPS valve leak detection control
device.
12 VPS valve leak detection control device.
Supplied separately from gas train on request.
13 Gas train/burner adaptor.
Supplied separately from gas train on request.
Note
See the accompanying instructions for the adjustment of the gas
train.
5.15.3 Gas pressure
The Tab. K show minimum pressure losses along the gas supply
line depending on the burner output in 2
nd
stage operation.
Tab. K
Column 1 (Tab. K) Pressure loss at combustion head.
Gas train - L (Fig. 24) Burner 12 13
Ø C.T. Code RLS 28 RLS 38 - 50 Code Code
3/4” - 3970046
• -
3010123 3000824
1” - 3970079
• •
3010123 3000824
1”1/4 - 3970152
• •
3010123 -
1”1/2 - 3970153
• •
3010125 -
1”1/2 - 3970183
• •
3010125 -
2” - 3970154
• •
3010125 3000822
2”  3970166
• •
- 3000822
2” - 3970184
• •
3010125 3000822
2”  3970185
• •
- 3000822
Model
kW
1 p (mbar) 2 p (mbar)
G20 G31 3970046 3970079 3970152 3970153 3970183
3970154
3970166
3970184
3970185
RLS 28
165
185
210
235
260
285
310
325
6.5
6.8
7.3
8.0
8.7
9.6
10.4
11.0
5.5
5.7
6.0
6.3
6.7
7.4
8.5
9.5
11.1
13.4
16.5
19.9
23.6
27.5
31.6
34.2
5.3
6.4
7.9
9.5
11.2
13.1
15.0
16.2
3.2
3.8
4.7
5.6
6.6
7.6
8.7
9.4
2.1
2.5
3.1
3.8
4.5
5.3
6.2
6.7
1.8
2.0
2.5
3.2
3.7
4.4
4.7
4.9
-
-
-
1.4
1.7
2.0
2.3
2.7
-
-
-
1.8
2.2
2.7
3.2
3.4
RLS 38
230
260
290
320
350
380
410
440
8.8
9.1
9.4
9.8
10.4
11.1
11.8
13.0
9.7
10.0
10.3
10.6
10.9
11.2
11.5
12.0
-
-
-
-
-
-
-
-
9.2
11.2
13.4
15.8
18.3
20.9
23.7
26.6
5.4
6.6
7.9
9.2
10.6
12.1
13.7
15.3
3.6
4.5
5.5
6.5
7.6
8.8
10.1
11.4
3.0
3.7
4.4
4.8
5.9
6.6
7.0
8.1
1.4
1.7
2.1
2.5
3.0
3.5
4.0
4.5
1.8
2.2
2.7
3.3
3.5
4.0
4.4
5.0
RLS 50
290
330
370
410
450
490
530
580
10.0
10.2
10.5
10.8
11.3
11.7
12.7
14.0
8.8
8.9
9.0
9.1
9.2
9.3
9.7
10.3
-
-
-
-
-
-
-
-
13.4
16.6
20.0
23.7
27.6
31.7
36.1
41.8
7.9
9.7
11.6
13.7
15.9
18.2
20.6
23.9
5.5
6.9
8.4
10.1
11.9
13.7
15.7
18.5
4.4
5.0
6.1
7.0
8.3
9.7
10.5
12.0
2.1
2.7
3.3
4.0
4.7
5.5
6.3
7.4
2.7
3.4
3.9
4.4
5.1
5.9
6.6
7.8