Magnifico MR3, Use And Maintenance Manual

Page: 7 / 43

7
MAGNIFICO User manual
1. Installation
1.4 Controllo della pressione del gas
(solo per forni a gas)
Check that the installed nozzles are correct for the type and pressure of supplied gas. If you need to change the
nozzles, read the following paragraph.
1.5 Replacing nozzles (gas type change)
(for gas ovens only)
Category of appliance: II2H3+ Country: IT- ES -PT- CH-GB -GR - IE
Oven
Nominal
Power
Nozzle for
G30 gas [30 mbar]
Nozzle for
G31 gas [37 mbar]
Nozzle for
G20 gas [20 mbar]
5 GN 1/1 9,5 kW 115 115 161R
7 GN 1/1 16 kW 145 145 205
10 GN 1/1 19 kW 155 155 225R
Use only original nozzles which must not be tampe-
red with them in any way!
For connection to a type of gas that is different from the one
specified on the rating plate, the burner/s nozzle/s must be
replaced as follows:
•
Unscrew nozzle to be replaced and replace it with the
one that corresponds to the type of gas to be used.
•
Refit washer.
•
Nozzles are marked in hundredths of a millimetre.
•
After replacing the nozzle/s, check gas pressure.
When the appliance is connected, turn it on and check the
gas pressure.
Check gas pressure directly on the valve, as described
below:
•
Unscrew screw “P” on the pressure outletof the valve.
•
Apply the pressure gauge to the pressure outlet.
•
Regulate gas pressure to the values of table 2 by adju-
sting the pressure reducer outside the oven
•
When the pressure is at the correct level, switch off
the oven, remove the pressure gauge and replace
screw “P”.
In case of necessity, if the adjustment of the pressure is
not sufficient, act as follows:
•
Remove the protective cap A .
•
Screw to increase the pressure of the outlet gas acting
on the screw
B and unscrew to decrease.
•
At the end of the calibration reapply the protective
cap
A .
A
P
B