Gas Consumption By Gas Type - Rational iCombi Pro Original Installation Manual

10 | Gas connection for gas units
2. Use a suitable gas leak detector to check for leaks in the gas supply and gas
distribution within the unit.

10.3 Gas consumption by gas type

Natural gas H G20
Required connection
flow pressure (mbar)
Wobbe index (MJ/
m³) Wi
Wobbe index (MJ/
m³) Ws
Max. Consumption at
rated thermal load (at
15°C, 1013 mbar)
Max. Consumption at
rated thermal load (at
15°C, 1013 mbar)
Natural gas L G25
Required connection
flow pressure (mbar)
Wobbe index (MJ/
m³) Wi
Wobbe index (MJ/
m³) Ws
86 / 108
6-1/1 6-2/1
18-25 18-25
45.67 45.67
50.72 50.72
1.4 m³/ 3.05
h m³/h
13 kW 28 kW
6-1/1 6-2/1
20-30 20-30
37.38 37.38
41.52 41.52
80.06.070_iCombiPro-iCombiClassic_IM_en-GB
10-1/1 10-2/1
18-25 18-25
45.67 45.67
50.72 50.72
2.35 4.23
m³/h m³/h
22 kW 40 kW
10-1/1 10-2/1
20-30 20-30
37.38 37.38
41.52 41.52
20-1/1 20-2/1
18-25 18-25
45.67 45.67
50.72 50.72
4.44 8.47
m³/h m³/h
42 kW 80 kW
20-1/1 20-2/1
20-30 20-30
37.38 37.38
41.52 41.52