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5.2 Regulation for LPG
Loosen screw C and push air regulator D to the
bottom.
With a 7 mm wrench, remove nozzle E and
replace it with the proper one (follow the
instructions on the reference tables for the type of
gas to be used). The torque wrench setting of the
nozzle must not exceed 3 Nm.
Regulate the air by sliding regulator D until
reaching distance "X" shown in the table in
paragraph "5.4 Regulation of primary air ".
Lock regulator D by tightening screw C.
Burner
Auxiliary
Semi rapid
Medium rapid
Large rapid
UR
*/**: diameters marked * and ** must be fitted respectively on valves marked * and **shown inpoint "5.6
Regulation of minimum for natural gas".
CAUTION: for references A and B on
the lh UR and rh UR burners, see
drawings at side.
5.3 Regulation for natural gas
The hob has been inspected for G20 (2H) natural gas at a pressure of 20 mbar. To
allow the unit to work with this type of gas, perform the same operations described in
paragraph "5.2 Regulation for LPG ", but choose the nozzles and regulate the primary
air for natural gas, as shown in the following table and in paragraph "5.4 Regulation of
primary air ".
Burner
Auxiliary
Semi rapid
Medium rapid
Large rapid
UR
26
Instructions for the installer
Rated
heating
capacity
(kW)
Nozzle
diameter
1/100 mm
1.0
48
1.65
62
2.3
75
3.0
82
A
76
3.6
B
48
Rated
heating
capacity
(kW)
1.0
1.65
2.3
3.0
A
3.6
B
LPG – G30/G31 28/37 mbar
By-pass
Reduced
mm
flowrate
1/100
(W)
30(**)
33 (*)
450
32(**)
35 (*)
500
38(**)
43 (*)
700
42(**)
45 (*)
800
48 (**)
52 (*)
1000
Natural gas – G20 20 mbar
Nozzle diameter
1/100 mm
73
92
110
126
115
73
Flowrate
Flowrate
g/h G30
g/h G31
73
71
120
118
167
164
218
214
261
257
Reduced flowrate
(W)
400
500
700
800
1000
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