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Instructions for the installer
11
5.2 Nozzle replacement and primary air adjustment
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
Rated
heating
capacity
LPG – G30/G31 2.8 kPa
Nozzle
diameter
1/100 mm
By-pass
1/100 mm
Reduced
flowrate
(W)
Flowrate
g/h G30
Flowrate
g/h G31
Auxiliary
1.05 48 30 (1) 380 76 75
Semi-rapid
1.65 62 30 (1) 380 120 118
Rapid
2.55 76 37 (2) 750 185 182
Rapid large
3.1 85 45 800 225 222
Fish pan
1.8 65 43 (3) 750 145 143
Ultra rapid
3.3 87 65 1700 240 236
Internal 0.8 42 26 (1) 380 58 57
Double
crown
External 3.3 87 55 1200 240 236
(1)= 33 for appliances without flame failure device.
(2)= 40 for appliances without flame failure device.
(3)= 45 for appliances without flame failure device.