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5.2
Loosen screw A and push support B all the way. Use a double head
wrench to remove nozzle C and assemble the suitable one, following
the values indicated in the tables relevant to the type of gas to use. The
screwing torque of the nozzle should never exceed 3 Nm. Reposition
support B so that nozzle C is covered perfectly.
Move the Venturi tube D to regulate the air flow until distance "X" is
reached indicated in the table "Regulation of primary air" and then
secure the tube by means of screw A. After the regulations have been
carried out, restore the seals with sealing wax or equivalent material.
Burner
Auxiliary
Semi-rapid
Rapid
Rapid large
Fish pan
Ultra rapid
Internal
Double
crown
External
(1)= 33 for appliances without flame failure device.
(2)= 40 for appliances without flame failure device.
(3)= 45 for appliances without flame failure device.
Instructions for the installer
Nozzle replacement and primary air adjustment
Rated
heating
capacity
Nozzle
diameter
1/100 mm
1.05
1.65
2.55
3.1
1.8
3.3
0.8
3.3
LPG – G30/G31 2.8 kPa
By-pass
1/100 mm
48
30 (1)
62
30 (1)
76
37 (2)
85
45
65
43 (3)
87
65
42
26 (1)
87
55
Reduced
Flowrate
flowrate
g/h G30
(W)
380
76
380
120
750
185
800
225
750
145
1700
240
380
58
1200
240
Flowrate
g/h G31
75
118
182
222
143
236
57
236
11
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