3
BURNER DESCRIPTION (A)
1 Combustion head
2 Ignition electrode
3 Flame sensor probe
4 Gas valve
5 Air/gas mixer in the suction line circuit
6 Gas pressure test point
7 Gas valve conduit - Venturi
8 Gas input
9 Boiler mounting flange
10 Fan
11 Air passage in fan
12 Control box with lockout pilot light
13 Reset button
14 Plug-socket on ionisation probe cable
15 Sockets for electrical connection
16 Transformer
17 Plate pre-arranged to obtain 4 holes for the
passage of the electric cables
Two types of burner failure may occur:
• CONTROL BOX LOCKOUT:
if the 13)(A) pushbutton lights up, it indicates that
the burner is in lockout.
To reset, press the push button.
PACKAGING - WEIGHT (B)
- Approximate
measurements
• The burners are shipped in cardboard boxes
with the maximum dimensions shown in tab.
(B).
• The weight of the burner complete with pack-
aging is indicated in tab. (B).
MAX. DIMENSIONS (C)
-
approximate meas-
urements
The maximum dimensions of the burner are
given in (C).
Bear in mind that, in order to inspect the com-
bustion head, the burner must be pulled back.
STANDARD EQUIPMENT
1 - Gas train flange
4 - Valve fixing screws M 5 x 16
1 - Insulating screen
1 - Combustion head with gasket and screws
1 - Gas valve
1 - 4 pole plug
1 - 7 pole plug
1 - Instruction manual
1 - Spare parts list
Small parts for fixing burners
4 - 8x40 galvanised nuts (with or without tip)
4 - 8x16 galvanised washers
4 - 8-type galvanised notched washers
4 - M8 galvanised nuts
1 - M4 nut
(A)
1
2
3
9
10
14
5
12
4
8
11
7
15
13
6
16
17
L
F
G
I
E
H
C
A
D
mm
A
B
C
kg
RX 180 S/PV
1000
500
485
30
RX 250 S/PV
1000
500
485
30
(1) Blast tube: short-long
mm
A
D
C
E
F
G
H
I
L
RX 180 S/PV
443
417
637
371
465
320
119
306
134
RX 250 S/PV
443
417
637
371
465
320
119
306
134
D88
(C)
(B)
D7786
D7787
