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Gas supply
Natural gas G20
L.P.G. G31
Fig. 8.9
• To change the setting turn the knob 9 on
a position corresponding to the gas used
as shown in Fig. 8.8. By turning the knob
9, the lock-out signal lamp 6 blinks quickly
(2 per seconds) indicating that the setting
has changed and must be memorised.
• To memorize the setting keep pressed the
reset button 7 for about 5 seconds until the
lamps 10 briefly blinks simultaneously.
Gas setting - second step
• Press the reset button 7 repeatedly (5
times) until the lamps 10 give the indica-
tion as in Fig. 8.10 (gas type mode 2).
Where:
Fig. 8.10
At this step it is possible to visualize the
current setting by keeping the reset button
7 pressed for more than 5 seconds. The
lamps 10 will flash a number of times cor-
responding to the setting of the knob 9 in
Fig. 8.8.
• To change the setting turn the knob 9 on
a position corresponding to the gas used
as shown in Fig. 8.8. By turning the knob
9, the lock-out signal lamp 6 blinks quickly
(2 per seconds) indicating that the setting
has changed and must be memorised.
• To memorize the setting keep pressed the
reset button 7 for about 5 seconds until the
lamps 10 briefly blinks simultaneously.
• Open the gas cock (13 in Fig. 8.11).
- 54 -
GAS CONVERSION
Position of knob 9
1
7
Lamp OFF
Lamp ON
13
Open position
Fig. 8.11
• To leave the gas setting mode and normal-
ly run the boiler turn it ON by the function
selector 8 (Fig. 8.12) on the desired opera-
tion and checking that the burner lights up
uniformly. In any case, the boiler automati-
cally resets to its normal operation after 10
minutes.
10
9
Fig. 8.12
• Calibrate the gas valve according to the
instructions given in the Service manual,
section Gas valve - Adjustment.
• To adjust (if necessary) the maximun use-
ful central heating output required, see
section "Maximum output in c.h. mode" to
page 49.
• Stick on the inside of the left hand side pan-
el adjacent to the data badge the self-adhe-
sive label (included with the conversion kit)
indicating the type of gas, and the gas pres-
sures to which the appliance has been set.
Replace the adjustment protection cap.
• Replace the front panels of the case.
8
7 6
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