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4
USE AND MAINTENANCE
The gas valve is set at two pressure values:
maximum and minimum .
According to the type of gas burnt, these
correspond to the values given in Table 4 .
The gas pressures at the maximum and mini-
mum values, are factory set . Consequently
they must not be altered .
Only when you switch the appliance
from one type of gas supply (methane) to
another (butane or propane), it is permitted
to alter the operating pressure .
4 .2
GAS CONVERSION (fig . 19)
This operation must be performed by
authorised personnel using original CLIMIT
components .
To convert from natural gas to LPG or vice
versa, perform the following operations
(fig . 19):
– Close the gas cock .
– Disassemble the burner manifold (3) .
– Replace the main nozzles (6) supplied in
a kit, inserting the copper washer (4) . Use
a ø 7 spanner to perform this operation .
– Configure the new fuel as indicated in
point 4 .2 .1
– For calibrating the maximum and mini-
mum gas pressure values, see point 4 .2 .2 .
– After have ultimated the conversion of
the boiler, please stick onto the casing
panel the plate showing the relevant
feeding gas which is included into the kit .
NOTE: When reassembling componen-
ts which you have removed, replace gas
seals; test all gas connections after assem-
bly using soapy water or a product made
specifically for the purpose, being sure not
to use open flame .
4 .2 .1
New fuel configuration
Access the parameters section by pressing
the control panel keys ( and ) at the same
time for 5 seconds .
The red LED flashes and the display shows:
1
3
1
3
Scroll the parameters using ( or ) .
To enter the fuel configuration paramater
PAR 01, use ( or ) .
The set value flashes and if
the boiler in question is a 30
BF with methane, the display shows:
4
4
For the 30 BF boiler to fun-
ction with LPG, press () until
04 appears .
Confirm this value
using ( or ) .
Exit the parameters section by pressing () .
86
6
5
4
1
KEY
1
2
3
4
5
3
TABLE 4
Model
Burner max pressure mbar
25 OF
2
2
1
3
1
3
25 BF
30 BF
(*) Max . burner pressure is guaranteed only when the supply pressure exceeds the max . burner pressure by at least 3 mbar .
4
4
2
2
1
1
3
3
2
2
4
4
2
Modulator
EV1-EV2 coils
Pressure inlet upstream
Pressure inlet downstream
VENT pressure
Modulator current mA
G20 (*)
G30
G31
G20 (*) G30
9,1
27,7
35,7
130
165
13,5
27,9
35,9
130
165
13,2
26,8
34,8
130
165
Burner min pressure mbar
Modulator current mA
G31
G20 (*)
G30
G31
G20 (*)
165
1,6
4,6
4,6
0
165
1,9
3,7
3,7
0
165
1,9
4,1
4,1
0
KEY
1 Swivel connection 1/2"
2 Locknut 1/2"
3 Burner manifold
4 Washer ø 6 . 1
5 Burners
6 Nozzle M6
7 Screw
WARNING: To ensure a perfect
seal, always use the washer (4)
supplied in the kit when replacing
nozzles, even in burner units for
which it is not specified .
2
G30
G31
0
0
0
0
0
0
Fig . 18
Fig . 19
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