Gas Butterfly Valve; Combustion Head Adjustment - Riello RLS 310/EV O2 MX Modulating Operation

5.9

Gas butterfly valve

If necessary, replace the gas butterfly valve. The correct position
is shown in Fig. 19.
5.10

Combustion head adjustment

Rotate the screw 1)(Fig. 20) until the notch you have found cor-
responds with the front surface of the screw itself.
The combustion head is opened by turning the screw 1) anti-
clockwise.
The combustion head is closed by turning the screw 1) clockwise.
The burner leaves the factory with the combustion
head adjusted to notch 0 (Fig. 20).
This adjustment allows you to secure the moving
WARNING
parts when the burner is being transported.
Before starting the burner, carry out the adjustments for the out-
put required and which is indicated in the diagram (Fig. 18).
NOTE:
Depending on the specific application, the adjustment can
be modified.
No. of notches (air = gas)
Maximum burner output (kW)
The combustion head can be adjusted within the
following fields:
RLS 310: 0 - 11;
WARNING
RLS 410: 5 - 16;
RLS 510: 2 - 16;
RLS 610: 0 - 6.
No adjustment can be made outside this interval.
20182250
Installation
YES
20096118
Fig. 18
24 GB
20095470
NO
Fig. 19
20086764
Fig. 20