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Installation notes
Required flow rate
Appliance type
PRI318
PRI418
PRI421
The connected load is based on the following calorific values:
- Natural gas LL (G 25): 29.25 MJ/m³ (Hi)
- Natural gas E (G 20): 34.02 MJ/m³ (Hi)
- Liquid gas (G 30): 45.65 MJ/m³ (Hi)
Natural gas
Natural gas
3 m
Internal dia-
meter
¾" (20 mm)
4.7 m³/h
1" (25 mm)
8.6 m³/h
1 ¼" (32 mm)
16.0 m³/h
1 ½" (40 mm)
26.5 m³/h
2" (50 mm)
60.0 m³/h
Liquid gas
Liquid gas
Internal dia-
meter
10 mm
12 mm
16 mm
22 mm
27 mm
10
Rated heat load (Hi)
22 kW
28 kW
30 kW
5 m
10 m
3.7 m³/h
2.6 m³/h
6.9 m³/h
4.8 m³/h
12.4 m³/h
8.7 m³/h
20.5 m³/h
14.5 m³/h
47.0 m³/h
33.0 m³/h
5 m
10 m
1.3 kg/h
1.0 kg/h
2.0 kg/h
1.5 kg/h
4.0 kg/h
3.0 kg/h
9.0 kg/h
6.5 kg/h
-
12.0 kg/h
Natural gas (LL)
Natural gas (E)
2.71 m³/h
3.44 m³/h
3.69 m³/h
Length of gas line
20 m
Maximum flow rate
1.6 m³/h
3.1 m³/h
6.2 m³/h
10.3 m³/h
23.0 m³/h
Length of gas line
20 m
Maximum flow rate
-
1.0 kg/h
2.0 kg/h
4.5 kg/h
8.0 kg/h
Liquid gas
2.33 m³/h
2.97 m³/h
3.18 m³/h
30 m
50 m
1.1 m³/h
0.7 m³/h
2.4 m³/h
1.9 m³/h
5.0 m³/h
3.8 m³/h
8.4 m³/h
6.5 m³/h
19.0 m³/h
15.0 m³/h
50 m
-
-
1.5 kg/h
3.0 kg/h
5.0 kg/h
1.74 kg/h
2.21 kg/h
2.37 kg/h
100 m
0.3 m³/h
0.9 m³/h
2.4 m³/h
4.0 m³/h
10.0 m³/h
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