Adjusting for bottled gas, Adjusting for natural gas, Instructions for the installer – Smeg XXPTS725 User Manual
Page 9: 27 5.2 adjusting for bottled gas, 3 adjusting for natural gas

Instructions for the Installer
27
5.2
Adjusting for bottled gas
Undo the screw A and push the support B fully down. Remove the nozzle C with a
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. Return the support B to its original position, so that the nozzle C is perfectly
covered.
Burner
Nominal
heat
capacity
(kW)
Regulate the air flow by moving the Venturi pipe D until the distance “X” stated in point
"5.5 Adjusting the primary air flow” is obtained and secure it with the screw A. When the
adjustments are complete, restore the seals with wax or an equivalent material.
Bottled gas – G30/G31 30/37 mbar
Nozzle
diameter
1/100 mm
By-pass
mm
1/100
Reduce
d heat
capacity
(W)
Capacity
g/h G30
Capacity
g/h G31
Auxiliary
1.05
48
30
400
76
75
Semi rapid
1.7
62
33
500
124
121
Rapid (3)
3.5
89
50
1050
254
250
Rapid (7)
2.9
80
50
1050
211
207
Rapid (6)
3.1
85
50
1050
225
221
Ultra-Rapid
4.2
98
65
1600
305
300
Internal
0.9
45
30
400
62
61
Double
Crown (4)
External
3.3
87
55
1200
240
236
Internal
0.9
45
30
400
62
61
Double
Crown (8)
External
4.0
95
55
1200
291
286
5.3
Adjusting for natural gas
The appliance is tested with G20 (2H) natural gas at the pressure of 20 mbar. 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 “5.5 Adjusting the primary air flow”.
Burner
Nominal
heat
capacity
(kW)
Natural gas – G20 20 mbar
Nozzle diameter
1/100 mm
Reduced heat capacity
(W)
Auxiliary
1.05
132
400
Semi rapid
1.7
165
500
Rapid (3)
3.5
250
900
Rapid (7)
2.9
230
1.05
Rapid (6)
3.1
240
900
Ultra-Rapid
4.2
300
1100
Internal
0.9
126
400
Double
Crown (4)
External
3.3
250
1200
Internal
0.9
126
400
Double
Crown (8)
External
4.0
140
1200