Securing The Burner To The Boiler; Positioning The Probe - Electrode - Riello GAS 3 P/M Installation, Use And Maintenance Instructions

5.5.3

Securing the burner to the boiler

Provide an adequate lifting system.
 Remove blast tube 6)(Fig. 12) from the burner as follows:
– Remove screws 1) from the two slide bars 2).
– Remove the screws 3) retaining the blast tube to the
burner.
– Remove the blast tube complete with slide bars.
 Now the gas distributor 4) can be easily inspected. Check
that probe and electrode are correctly positioned, as shown
in Fig. 13. In case of incorrect position, remove the gas
distributor 4) when opening the burner for head calibration,
see pag. 20.
 Fix the blast tube 6) to the boiler plate (Fig. 11 a pag. 18),
inserting the supplied insulating flange gasket 5)(Fig. 12).
Use the 4 screws, also supplied, after protecting their thread
with an anti-locking product.
 Refit the burner on slide bars 2)(Fig. 12), refit screws 1) on
slide bars and fasten the burner to the blast tube using
screws 3).
5.6

Positioning the probe - electrode

Before securing the burner to the boiler, check
(through the opening of the blast tube) that the
probe and electrode are correctly positioned, as in
Fig. 13.
ATTENTION
If in the previous check the position of the probe or electrode was
not correct, remove the screws 6)(Fig. 15 a pag. 20) extract the
inner part 1)(Fig. 15 a pag. 20) of the head, and adjust them.
Installation
ATTENTION
ATTENTION
ATTENTION
ELECTRODE
PROBE
19 GB
The seal between burner and boiler must be
airtight.
Do not rotate the probe but leave it as in Fig. 13; if
it is too close to the ignition electrode, it could
damage the control box amplifier.
Respect the dimensions shown in Fig. 13.
D101
D99
Fig. 12
Fig. 13
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