manual
4
ADAPTATION TO DIFFERENT TYPES OF GAS FOR COOKER
Before performing any maintenance operation, disconnect the appliance from the gas supply and electricity
network.
REPLACING THE NOZZLES TO OPERATE WITH ANOTHER TYPE OF GAS FOR COOKER:
Follow the instructions below to change the burner nozzles on the work surface:
1) Pull out the plug from the electric outlet to avoid any type of electric contact.
2) Remove the grids from the work surface (Fig. 12).
3) Remove the burners
4) Unscrew the nozzles using a 7 mm spanner, and replace them (Fig.13) with those needed for the new type of gas
according to what is indicated in Table 1
Follow the instructions below to change the oven burner nozzle:
1) Remove the oven level (Fig. 14).
2) Loosen the screw V and pull out the burner from the support being careful not to damage the ignition plug and the
thermocouple (Fig. 15).
3) Unscrew the nozzle R using a 10 mm spanner and replace it with the nozzle needed for the new type of gas according
to what is indicated in Table 1.
WARNING: After completing the above-mentioned replacements, the technician must adjust the burners, as
described in the paragraph below, seal any adjustment and pre-adjustment devices and apply the label on the
appliance, to replace the existing one, corresponding to the new gas adjustment. This label is contained in the
spare nozzle bag.
TABLE N°1: Adaption to various types of gas APPLIANCE CATEGORY: II2H3+
Burner Types of Gas Pressare Nozzle
Diameter
Rater Capacity Reduced
Capacity
by-pass Diameter
Mbar 1/100 mm. g/h l/h kw kcal/h kw Kcal/h 1/100 mm.
Natural G20 20 77 - 95 1 860 0,48 413 34
Auxiliary Butane G30 30 50 73 - 1 860 0,48 413 34
Propane G31 37 50 71 - 1 860 0,48 413 34
Natural G20 20 101 - 167 1,75 1505 0,6 516 36
Semi-Rapid Butane G30 30 66 127 - 1,75 1505 0,6 516 36
Propane G31 37 66 125 - 1,75 1505 0,6 516 36
Natural G20 20 129 - 286 3 2580 1,05 903 52
Rapid Butane G30 30 87 218 - 3 2580 1,05 903 52
Propane G31 37 87 214 - 3 2580 1,05 903 52
Natural G20 20 In 70 - 476 5 4300 0,48 413 In 34 reg.
Out 110 out 65 reg.
Dual Butane G30 30 In 46 334 - 4,6 3956 0,48 413 In 34
Out 69 out 65
Propane G31 37 In 46 328 - 4,6 3956 0,48 413 In 34
Out 69 out 65
Natural G20 20 125 - 286 3 2580 1 860 48 reg.
Oven Butane G30 30 85 218 - 3 2580 1 860 48
Propane G31 37 85 214 - 3 2580 1 860 48
BURNER ADJUSTMENT
1)Primary air adjustment:
Oven burner adjustment: follow the instructions below to adjust the primary air for the over burner:
1) Remove the oven bottom.
2) Loosen the screw P and adjust the position X of the Venturi cone (Fig. 16) according to the measurements indicated in
table 2.
TABLE N°2: Burner primary air regulation (indicative)
BURNER
Type of gas Oven (mm)
Natural G20 fully open
Butane G30 fully open
Propane G31 fully open
2) Burner "MINIMUM" adjustment:
Work surface burner adjustment: follow the instructions below to adjust the work surface burner minimum:
1) Light the burner and set the knob to the MINIMUM position (small flame).
2) Remove the knob of the valve that is press fit on the rod of that valve.
3) If the cooker is not equipped with safety valves on the surface burners, insert a small slotted screwdriver into the hole
on the valve rod (Fig. 17) and turn the choke screw to the right or left until the burner flame is adjusted to minimum. If the
cooker is equipped with safety valves, the choke valve is not located in the rod hole, but on the valve body (see fig. 18).
4) For the gas valve of dual burner the choke valve is located on the valve body (fig. 19) , the A screw adjust the outer
ring, the B screw adjust the inner ring.
5) Make sure that the flame does not go out when switching quickly from the MAXIMUM to the MINIMUM position.