Delivered Output (Version Tc) - Riello 908T4 Installation, Use And Maintenance Instructions

4.11

Delivered output (version TC)

The diagrams opposite allow you to set the power output either
using the number of fan revs or using the pressure downstream
of the gas valve (point 1).
Example:
• operation with Premix RX 250 S/PV;
• natural gas G20 NCV 9.45 kWh/Sm3;
• pressure on point 1 = -21 mbar.
The burnt output corresponds to 200 kW.
20160576
Technical description of the burner
RX 180 S/PV G20 - G25
RX180S/ PV G 20- G 25
RX 180 S/PV RX180S/ PV G31 G 30- G 31
RX250S/ PV G 20- G 25
RX 250 S/PV G20 - G25
RX250S/ PV G 30- G 31
RX 250 S/PV G31
12
Going vertically up the diagram, to intersect the dotted line, you
can estimate the value of the number of revs on the left hand y-
axis: in this case 4750 rpm. For an exact reading of the number
of revs there is a kit for interfacing with the control box.
NOTE:
A different adjustment of the gas valve is required for LPG
operation.
D7814
Heat output – kW
Heat output – kW
Heat output – kW
Heat output – kW
GB
No. revs
Pressure
Fig. 5