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Idiomas disponibles
Gas supply pressure
Type of gas
G20
Pressure
20
(mbar)
Installation with SPLIT PIPE SYSTEM smoke outlet
Heat
Model
Output
Max
GO 18 BF
min
Max
GO 25 BF
min
Max
GO 30.BF
min
Installation with CONCENTRIC smoke outlet
Heat
Model
Output
Max
GO 18 BF
min
Max
GO 25 BF
min
Max
GO 30.BF
min
– Connect the flue gas analyser to the take-off point
– open one or more of the hot water cocks and start up the
boiler
– determine the combustion data and, if necessary, take a
reading of the combustion efficiency as provided for by the
legislation in force
After taking the readings, close the cocks which were opened
previously and disconnect the flue gas analyser.
7.7
Gas conversion
models can be converted from operation with G20
GO BF
(methane) to operation with G30/G31 (LPG) by installing the
"Nozzle kit for G30/G31 (LPG) - code 5144733 (for GO 18 BF ), code
5144716 (for GO 25 BF and GO 30.BF ), to be ordered separately
from the boiler.
After replacing the nozzles it is necessary to set parameter tS 0.2
.
= 1
To adjust the boiler to LPG, during FULL calibration, set PO1 to
the value of 150.
m
CAUTION
The maintenance interventions described must ONLY
be carried out the professionally qualified personnel.
a
WARNING
Before carrying out any interventions described:
– set the main system switch to "OFF"
– close the gas valve
– make sure that no hot parts inside the appliance are
touched.
74
G30
G31
28-30
Pressure at nozzles (mbar)
G20
G30
13,2 - 13,6
27,8 - 28,2
35,8 - 36,2
0,7 - 1,0
2,2 - 2,5
2,9 - 3,2
12,6 - 13,0
27,8 - 28,2
35,8 - 36,2
1,0 - 1,3
2,8 - 3,1
3,4 - 3,7
13,0 - 13,4
27,8 - 28,2
35,8 - 36,2
1,8 - 2,1
3,8 - 4,1
4,6 - 4,9
Pressure at nozzles (mbar)
G20
G30
13,4 - 13,8
27,8 - 28,2
35,8 - 36,2
0,9 - 1,2
2,4 - 2,7
3,1 - 3,4
12,8 - 13,2
27,8 - 28,2
35,8 - 36,2
1,2 - 1,5
3,0 - 3,3
3,6 - 3,9
13,2 - 13,6
27,8 - 28,2
35,8 - 36,2
2,0 - 2,3
4,0 - 4,3
4,8 - 5,1
OFF
7.7.1
Preliminary operations
To carry out the conversion:
37
2
G31
G31
– remove the screws (1), pull the front panel (2) forwards and
release it from the top by lifting it
– remove the screws (3) securing the control panel (4)
– move the panel (4) upwards (a) but keeping it in the side
guides (5) to the end of travel
– bring it forwards and down (b) until it is horizontal
4
b
– unscrew the four screws (3) and remove the front door (4)
of the combustion chamber, working carefully so as not to
damage the insulation
3
4
Fig. 59
1
a
3
EN
Fig. 60
5
Fig. 61
Fig. 62
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