Gas conversion
37
Gas
supply
Position of
knob 8
Approx. Max current
through the modulator
device
Natural
gas
1
125 mA
L.P.G.
4
165 mA
Fig. 8.5
13 To change the setting turn the knob 8 on a posi-
tion corresponding to the gas used as shown
in Fig. 8.4.
By turning the knob 8, the lock---out signal
lamp 5 blinks quickly (2 per seconds) indicat-
ing that the setting has changed and must be
memorised.
14 To memorize the setting keep pressed the
reset button 6 for about 5 seconds until the
lamps 9 briefly blinks simultaneously.
15 Open the gas cock (12 in Fig. 9.3)
16 To reset the boiler to the normal operation turn
it ON by the function selector 7 on the desired
operation and checking the ignition pressure
and that the burner lights up uniformly. In any
case, the boiler automatically resets to its nor-
mal operation after 10 minutes.
Factory setting = Natural gas (as illustrated)
17 Calibrate the gas valve according to the in-
structions given in the service manual, section
Modulating gas valve --- Adjustment
.
18 Set the correct gas pressure for central heating
output required, see section 7.8 in this manual.
19 Stick on the inside of the left hand side panel
adjacent to the data badge the self---adhesive
label (included with the conversion kit) indicat-
ing the type of gas, and the gas pressures to
which the appliance has been set. Replace the
adjustment protection cap.
20 Replace the front panels of the case.
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