Blast Tube Length; Securing The Burner To The Boiler - Riello RS 190/M Installation, Use And Maintenance Instructions

4.4.2

Blast tube length

The length of the blast tube must be selected according to the indi-
cations provided by the manufacturer of the boiler, it must be great-
er than the thickness of the boiler door complete with its insulation.
The length available, L (inches), is as follows:
Model
RS 190/M
4.5

Securing the burner to the boiler

Prepare a suitable lifting system.
The manufacturer declines any and every re-
sponsibility for any possible lifting movements,
different from those indicated in this manual.
Detach the combustion head from the burner (Fig. 8):
 loosen the four screws 3) and remove the cover 1);
 disengage the swivel joint 7) from the graduated sector 8);
 remove the screws 2) from the slide bars 5);
 remove the two screws 4) and pull the burner back on slide
bars 5) by about 4";
 disconnect the wires from the flame rod and the electrode and
then pull the burner completely off the slide bars.
The seal between burner and boiler must be air-
tight.
WARNING
L
(short blast tube)
31
14 /
32"
D2434
Installation
 For boilers with front flue passes 15)(Fig. 8) or flame inversion
chambers, protective insulation material 13), must be inserted
between the boiler refractory 14) and the blast tube 12).
 This protective insulation must not compromise the extraction
of the blast tube.
 For boilers having a water-cooled front, the insulation 13)-14)
is not required unless it is required by the boiler manufacturer.
15 GB
Fig. 8
20160742