Installation; Boiler Plate; Blast Tube Length; Securing The Burner To The Boiler - Riello RS 70 Instrucciones De Instalación, Funcionamiento Y Mantenimiento

mm A B
RS 70 185 275 - 325
RS 100 185 275 - 325
195 275 - 325
RS 130
PROBE
D613
D738
D718
C
M 12
M 12
M 12
D455
ELECTRODE

INSTALLATION

BOILER PLATE (A)
Drill the combustion chamber locking plate as
shown in (A). The position of the threaded holes
can be marked using the thermal screen sup-
plied with the burner.
BLAST TUBE LENGTH (B)
The length of the blast tube must be selected
according to the indications provided by the
manufacturer of the boiler, and in any case it
must be greater than the thickness of the boiler
(A)
door complete with its fettling. The range of
lengths available, L (mm), is as follows:
Blast tube 12): RS 70
• short
• long
For boilers with front flue passes 15) or flame
inversion chambers, protective fettling in refrac-
tory material 13) must be inserted between the
boiler fettling 14) and the blast tube 12).
This protective fettling must not compromise the
extraction of the blast tube.
For boilers having a water-cooled front the
refractory fettling 13)-14)(B) is not required
unless it is expressly requested by the boiler
manufacturer.
SECURING THE BURNER TO THE BOILER (B)
D3031
Before securing the burner to the boiler, check
through the blast tube opening to make sure
that the flame sensor probe and the ignition
(B)
electrode are correctly set in position, as shown
in (C).
Now detach the combustion head from the
burner, fig.(B):
- loosen the 4 screws 3) and remove the cover 1)
- Disengage the articulated coupling 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 100 mm.
Disconnect the wires from the probe and the
electrode and then pull the burner completely
off the slide bars.
COMBUSTION HEAD CALIBRATION
(C)
At this point check, for model RS 130, whether
the maximum delivery of the burner in 2nd stage
operation is contained in area A or in area B of
the firing rate. See page 8.
If it is in area A then no operation is required.
If, on the other hand, it is in area B:
- unscrew the screws 1)(D) and disassemble
the blast tube 2).
- Move the fixing of the rod 3)(D) from position
A to position B, thereby causing the shutter 4)
to retract.
- Now refit the blast tube 2)(D) and the screws 1).
(D)
Once this operation has been carried out (if it was
required), secure the flange 11)(B) to the boiler
plate, interposing the thermal insulating screen
9)(B) supplied with the burner. Use the 4 screws,
also supplied with the unit, after first protecting
the thread with an anti-locking product.
The seal between burner and boiler must be air-
tight.
If you noticed any irregularities in positions of
the probe or ignition electrode during the check
mentioned above, remove screw 1)(E), extract
the internal part 2)(E) of the head and proceed
to set up the two components correctly.
Do not attempt to turn the probe. Leave it in the
position shown in (C) since if it is located too
close to the ignition electrode the control box
amplifier may be damaged.
(E)
6
RS 100 RS 130
250 250 280
385 385 415