Rational CombiMaster Plus

10 | Gas connection for gas units
80.06.083_iCombiPro-iCombiClassic_IM_en-US 83 / 100
2. Use a suitable gas leak detector to check the gas supply and gas distribution
on the unit for leaks.
10.3 Gas consumption by gas type
Natural gas EK G25.3 Netherlands
6 half
size
6 full
size
10 half
size
10 full
size
20 half
size
20 full
size
Required connection
flow pressure (mbar)
20-30 20-30 20-30 20-30 20-30 20-30
Wobbe index (MJ/
m³) Wi
38.49 38.49 38.49 38.49 38.49 38.49
Wobbe index (MJ/
m³) Ws
42.71 42.71 42.71 42.71 42.71 42.71
Max. consumption at
nominal heat load (at
15 °C, 1013 mbar)
1.56
m³/h
3.37
m³/h
2.65
m³/h
4.81
m³/h
5.05
m³/h
9.63
m³/h
Max. consumption at
nominal heat load (at
15 °C, 1013 mbar)
13 kW 28 kW 22 kW 40 kW 42 kW 80 kW
Natural gas G20 USA (North America)
6 half
size
6 full
size
10 half
size
10 full
size
20 half
size
20 full
size
Required connection
flow pressure (mbar)
6.5-10.
0 in/wc
6.5-10.
0 in/wc
6.5-10.
0 in/wc
6.5-10.
0 in/wc
6.5-10.
0 in/wc
6.5-10.
0 in/wc
Wobbe index (MJ/m³)
Wi
45.67 45.67 45.67 45.67 45.67 45.67