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ENGLISH
Proceed as follows to perform the conversion:
- switch off the electrical supply
- remove in succession the casing, the air distribution box cover and the
combustion chamber cover
- disconnect the glowplug cable connection
- remove the lower cable grommet from its seat on the air distribution box
- loosenthenuts(A)oftheby-passtrain
- loosenthenut(B)oftheburner/owmetertrain
- takeouttheclips(C)securingthetrainstotheburner
- disconnectthetrains(D)fromtheburner
- unscrewthe4screws(E)xingtheburnertothebackboard
- oncetheburnerhasbeentakenout(F),unscrewthescrews(G)xing
the manifold to the burner
- at this point, using a socket wrench and a fork spanner, remove the
nozzles and the washers and replace them with the ones in the kit.
Models 11-13
B
F
A
D
C
G
E
Fig. 20
Models 17
A
D
C
G
E
B
F
Fig. 21
b
Use and assemble the washers contained in the kit also in case of
manifolds without washers.
FortheconversionfrommethanegastoLPG,installtheburnerange
(H).
For the conversion from LPG to methane gas, remove it.
b
Beforeremovingtheburnerange,emptythewaterheaterasde-
scribed in the paragraph "Emptying the water heater".
H
Fig. 22
Then set
Parameter 4
(see paragraph "Parametersmenu")asfollows:
Conversion from METHANE to LPG
Parameter Value
4 1
Conversion from LPG to METHANE
Parameter Value
4 0
3.11 Adjustments
The boiler has already been factory set by the manufacturer.
Ifitisnecessarytoadjustitagain,forexampleafterextraordinarymain-
tenance, after replacement of gas valve or after gas conversion, carry out
the following procedure.
b
The maximum output adjustment must be carried out in the se-
quence
indicatedexclusivelybyqualiedpersonnel.
- Removethecasingbyunscrewingthexingscrews
A
(see section "
Removingthecasing").
- Loosenthescrewofthepressuretestpoint(1)downstreamfromthe
gas valve by roughly two turns, then connect the pressure gauge
- Disconnectthecompensationconnector(5)fromthegasvalve