Riello RS 34/1 MZ, Installation, Use And Maintenance Manual

8

INSTALLATION

THE BURNER MUST BE INSTALLED
IN CONFORMITY WITH LEGISLATION
AND LOCAL STANDARDS.

WORKING POSITION (A)

The burner is designed to work only in
the positions 

1

, 

2

, 

3 and 4

. 

Installation 

1

 is preferable, as it is the only one

that allows the maintenance operations as de-
scribed in this manual. Installations 

2

, 

3 and 4

allow the working, but make the operations of
maintenance and checking of the combustion
head more difficult page 15.

Any other position could compromise
the correct working of the appliance. 
Installation 

5

 is forbidden, for safety

reasons.

BOILER PLATE (B) 

Pierce the closing plate of the combustion
chamber, as in (B). The position of the threaded
holes can be marked using the thermal screen
supplied with the burner.

BLAST TUBE LENGTH (C) 

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
door complete with its fettling.
The range of lengths available, L (mm), is as fol-
lows:

Blast tube 9)

RS 34/1 MZ

RS 44/1 MZ

• short

216

216

• long

351

351

For boilers with front flue passes 6) or flame
inversion chambers, protective fettling in refrac-
tory material 8), must be inserted between the
boiler fettling 7) and the blast tube 9).
This protective fettling must not compromise the
extraction of the blast tube.
For boilers with a water-cooled frontpiece, a
heat-resistant cover is not necessary 7)-8)(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 blast tube) that the
probe and the electrode are correctly posi-
tioned, as in (D).

Separate the combustion head from the rest of
the burner, fig. (C):
- 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,

then unthread the burner completely from the
guides.

Fix the unit 4)(C) to the boiler plate, inserting the
supplied insulating gasket 5)(C). 

Use the 4 screws, also supplied with the unit,
after first protecting the thread with an anti-lock-
ing product. 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.

ATTENTION

Proceed with the assembly of the
inner part 2)(E) of the combustion
head, tightening the screw 1)(E) with
a tightening torque of 

4 ÷ 6 Nm

.

mm

A

B

C

RS 34/1 MZ
RS 44/1 MZ

160
160

224
224

M8
M8

(B)

(C)

D455

(D)

(E)

D3844

D3835

PROBE

ELECTRODE

2

3

4

5

1

D3928

(A)

D7564

!

!

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