13
20029918
GB
Installation
5.5
Securing the burner to the boiler
For the installation proceed as follows:
fix the burner 1)(Fig. 8) to the boiler door 2) using the 4
screws and (if necessary) the 4 nuts supplied to the stand-
ard equipment, interposing the insulating gasket 3).
5.6
Positioning the probe - electrode
Before installing the burner on the boiler, make sure the probe
and electrode are placed correctly as in Fig. 9.
5.7
Positioning the diaphragm, (LPG operation)
NOTE:
The burner is supplied to operate with methane gas (G20)
A diaphragm (4)
(RX 70 = mm 5.7)
, supplied with the kit, al-
lows burners to operate on LPG (G31) if fitted to the gas valve (1).
The diaphragm must be installed in compliance with local laws
and regulations.
To carry out the modification:
cut off the electrical supply;
close the fuel interception tap
disassemble the gas valve (1) from the Venturi unit (2) by
removing the screws (3);
house the diaphragm (4) supplied with the kit in the gasket
(5);
reassemble the gas valve and carry out all the adjustment
operations described above.
2
3
1
Fig. 8
D10742
WARNING
Do not turn the electrode: position it as illustrated
in Fig. 9.
Placing the electrode near the ionisation probe
may result in the control box amplifier being dam-
aged.
Fig. 9
137
151
4.5
+ 0.5
0
Probe
D7236
Electrode
4 - 4.5
15
Fig. 10
1
2
3
4
5
D8564
