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MAINTENANCE
GAS CONVERSION
Fig. 8.4
Restrictors
gas
• Re-assemble the pipe gas, the front panel
of the combustion chamber and the lid of
the sealed chamber.
After any service operation on the com-
ponents of the gas circuit check all the
connections for gas leaks.
Gas setting - first step
• Switch on the appliance at the mains iso-
lating spur.
• Turn the boiler OFF positioning the func-
tion selector 7 as indicated in Fig. 8.5.
Fig. 8.5
9
8
7
6 5
• Disconnect the C.h. temperature probe
NTC 15 in Fig. 8.6
Fig. 8.6
15
• Keep pressed the reset button 6 for about
10 seconds until the lock-out signal lamp
5 blinks.
• Connect the C.h. temperature probe NTC
15 in Fig. 8.6.
• Press the reset button 6 repeatedly (4
times) until the lamps 9 give the indication
as in Fig. 8.7 (gas type mode 1).
Where:
Lamp OFF
Lamp ON
Fig. 8.7
At this step it is possible to visualize the cur-
rent setting by keeping the reset button 6
pressed for more than 5 seconds. The lamps
9 will flash a number of times corresponding
to the setting of the knob 8 in Fig. 8.8.
Fig. 8.8
NATURAL
7
L.P.G.
Gas type
Setting No.
GAS
1
