Riello RX 1800 S/E Installation, Use And Maintenance Instructions page 31

Example RX 1800 S/E with natural gas G20:
Maximum output operation
Gas pressure at test point 4)(Fig. 29)
Pressure in combustion chamber
A pressure of 4 mbar, (column 1, corresponds in to an output of
1450 kW.
This value serves as a rough guide; the effective output must be
measured at the gas meter.
The heat output and gas pressure in the head
data refer to operating with the gas butterfly
valve fully open (90°).
ATTENTION
Installation
= 9 mbar
= 5 mbar
9 - 5 = 4 mbar
29 GB
4 20123545
5
Fig. 29
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