Adjusting For Bottled Gas; Adjusting For Natural Gas; Adjusting The Primary Air Flow; Hob Burner Layout - Smeg PX 140 A Instruction Manual

Built-in hob
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7.2 Adjusting for liquid gas
Undo the screw C and push the air regulator
D fully down.
Remove the nozzle E with a 7 mm spanner
and fit the suitable one, following the
instructions in the tables referring to the type
of gas to be used. The nozzle must not be
tightened with a torque of more than 3 Nm.
Regulate the air flow by sliding the
regulator D along until the distance
"X" stated in point "0
Adjusting the primary air flow" is obtained.
Fix the regulator D by tightening the screw C.
Burner
Auxiliary
Semi rapid
Rapid
Ultra Rapid

7.3 Adjusting for natural gas

The appliance is tested with NG (2H) natural gas at the pressure of 1.0 kPa. To return the
appliance to the condition required to use this type of gas, proceed as described in
point "5.2 Adjusting for bottled gas" but select the nozzles and adjust the primary air
flow for natural gas, as indicated in the table below and in point "5.4 Adjusting the
primary air flow".
Burner
Auxiliary
Semi rapid
Rapid
Ultra Rapid

7.4 Hob burner layout

7.5 Adjusting the primary air flow

Refers to the gap "X" in mm.
BURNER
Auxiliary
Semi rapid
Rapid
Ultra Rapid
To identify the burners on your hob, refer to the drawings in point "5.8 Hob burner
layout".
14
Instructions for the Installer
Nominal gas consumption
(MJ/h)
Nominal gas consumption
(MJ/h)
ULPG
1.0 kPa
open
ULPG – 2.75 kPa
4.1
6.0
11.2
15.1
Natural Gas – 1.0 kPa
4.5
6.1
10.8
15.1
Natural Gas
2.75 kPa
3
0.5
2
0.5
3.5
2
4
Injector
(mm)
0.54
0.67
0.85
1.05
Injector
(mm)
0.98
1.10
1.45
1.70
Burner type
1 Auxiliary
2 Semi rapid
3 Rapid
4 Ultra rapid

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