50
ENGLISH
TECHNICAL ASSISTANCE SERVICE
CONVERSION FROM ONE GAS TYPE TO ANOTHER
The boiler can be converted from one gas type to another
quite simply, without even having to remove the burner.
The burner comes configured for use with methane gas
(G20) as stated on the boiler’s gas plate.
The burner can be converted for use with propane gas
(G31) using the kit supplied with the boiler. Proceed as
follows to perform the conversion.
- Disconnect the electricity supply from the boiler and
shut off the gas cock.
- Remove the top front panel.
- Release the control panel and tilt it forwards.
- Unscrew the nut (A). Move the pipe (B) gently to one
side and replace the diaphragm inside the pipe with the
new diaphragm supplied in the kit.
- Reverse the above steps to reassemble the boiler.
- Switch the electricity supply to the boiler back on and
open the gas cock.
Adjust the boiler as instructed in the “SETTINGS” section,
taking care to use the values for LPG.
Labels
- Remove the G20 label from the outside of the boiler
casing.
- Apply the G31 label to the inside of the casing, covering
the old G20 label.
b
Gas conversions must only be carried out by qual-
ified personnel.
b
Apply the new gas label supplied in the kit on com-
pletion of the conversion.
20
40 60 80
100
4
3 2 1
0
0
120
A
B
CALDAIA REGOLATA PER: CHAUDIERE REGLEE POUR:
KESSEL GEREGELT FÜR
PAESE DI DESTINAZIONE:
PAYS DE DESTINATION:
BESTIMMUNGSLAND :
T067745I2
G31 - 37mbar
IT
- Check the CO
2
content. If the value is not as speci-
fied in the table, adjust the gas valve minimum screw
accordingly
- Turn the Max CH trimmer anticlockwise until minimum
speed is reached (see table)
- Check the CO2 content. If the value is not as speci-
fied in the table, adjust the gas valve minimum screw
accordingly
- Return the Max CH trimmer to the correct Max CH set-
ting (see table)
- Turn the function selector to exit chimney sweep mode.
- Remove the combustion analysis probe and replace
the cap
- Fit the knobs back on the control panel.
The combustion analysis function stops automatically if
the control card detects an error condition.
If an error occurs during combustion analysis, proceed as
follows to perform a reset. Turn the function selector to "
Ç
",
and then to "
Ö
", and then again on Summer function "
Ç
".
MAXIMUM FAN SPEED
METHANE
(G20)
PROPANE
(G31)
30/130 B
6.0
6.0
x 1000 rpm
MINIMUM FAN SPEED
METHANE
(G20)
PROPANE
(G31)
30/130 B
1.6
1.6
x 1000 rpm
MAX CO
2
VALUE
METHANE (G20) PROPANE (G31)
30/130 B
9,0
10,0
%
MIN CO
2
VALUE
METHANE (G20) PROPANE (G31)
30/130 B
9,5
10,0
%