Installation; Working Position; Boiler Plate; Nozzle Length - Riello Burners RS 34/M MZ Instrucciones De Instalación, Funcionamiento Y Mantenimiento

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1
2
(A)
mm
A
B
RS 34/M MZ
160
224
RS 44/M MZ
160
224
(B)
(C)
PROBE
(D)
(E)
3
4
C
M8
M8
ELECTRODE
D3835

INSTALLATION

5
!
WORKING POSITION (A)
!
D3928
only one that allows the maintenance opera-
tions as described in this manual. Installations
2, 3 and 4 allow the working, but make the op-
erations of maintenance and checking of the
combustion head more difficult page 14.
reasons.
BOILER PLATE (B)
Pierce the closing plate of the combustion
chamber, as in (B). The position of the threaded
D455
holes can be marked using the thermal screen
supplied with the burner.
NOZZLE LENGTH (C)
The length of the nozzle 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
door complete with its fettling.
The range of lengths available, L (mm), is as fol-
lows:
Nozzle 10)
• short
• long
D3834
For boilers with front flue passes 13) or flame
inversion chambers, protective fettling in refrac-
tory material 11), must be inserted between the
boiler fettling 12) and the nozzle 10).
This protective fettling must not compromise the
extraction of the nozzle.
For boilers with a water-cooled frontpiece, a
heat-resistant cover is not necessary 11)-12)(C),
unless expressly requested from the boiler man-
ufacturer.
FIXING THE BURNER TO THE BOILER (C)
Before fixing the burner to the boiler, check
(from the opening of the nozzle) that the probe
and the electrode are correctly positioned, as
in (D).
Separate the combustion head from the rest of
the burner, fig. (C):
- disengage the articulated coupling 4) from the
graduated sector 5);
- remove the screws 2) from the two slide
bars 3);
- remove screw 1) and pull the burner back on
slide bars 3) by about 100 mm;
- disconnect the probe and electrode leads,
D3844
then unthread the burner completely from the
guides.
Fix the unit 9)(C) to the boiler plate, inserting the
supplied insulating gasket 6)(C). Use the 4
screws, also supplied with the unit, after first
protecting the thread with an anti-locking prod-
uct. The seal between burner and boiler must be
airtight.
If, in the previous check, the position of the
probe or electrode was not correct, remove the
screw 1)(E), extract the inner part 2)(E) of the
head, and adjust them. Do not rotate the probe:
leave it as in (D). If it is located too close to the
ignition electrode, the control box amplifier may
be damaged.
6
THE BURNER MUST BE INSTALLED
IN CONFORMITY WITH LEGISLATION
AND LOCAL STANDARDS.
The burner is designed to work only in
the positions 1, 2, 3 and 4.
Installation 1 is preferable, as it is the
Any other position could compromise
the correct working of the appliance.
Installation 5 is forbidden, for safety
RS 34/M MZ RS 44/M MZ
216
216
351
351

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