Rational LM1 Series, Original Installation Manual, Page: 72 / 92

10 | Gas connection for gas units
72 / 92 80.06.070_iCombi Pro-iCombi Classic_IM_V01_en-GB
10.2 Connecting the unit to the gas supply
a
The width of the gas pipe must be at least ¾ inch in accordance with local
provisions.
a
A connection with an internal thread is provided to connect the gas line.
An additional Teflon tape to seal in the thread is available.
a
A gas Gas shut-off valve is provided on-site.
a
The type of gas available and the dynamic connection pressure correspond
the values specified on the unit's type plate.
a
The unit is secured to prevent it from slipping.
1. Connect the gas pipe with the unit's gas connection.
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
6-1/1 6-2/1 10-1/1 10-2/1 20-1/1 20-2/1
Required connection
flow pressure (mbar) 18-25 18-25 18-25 18-25 18-25 18-25
Wobbe index (MJ/
m³) Wi 45.67 45.67 45.67 45.67 45.67 45.67
Wobbe index (MJ/
m³) Ws 50.72 50.72 50.72 50.72 50.72 50.72
Max. Consumption at
rated thermal load (at
15°C, 1013 mbar) 1.4 m³/
h 3.05
m³/h 2.35
m³/h 4.23
m³/h 4.44
m³/h 8.47
m³/h
Max. Consumption at
rated thermal load (at
15°C, 1013 mbar) 13 kW 28 kW 22 kW 40 kW 42 kW 80 kW