Smeg A3-7 Manual

Instructions for the installer
93
11.2 Room ventilation and combustion extraction
The room containing the appliance should have a permanent air supply in
accordance with the standards in force. The room where the appliance is
installed must have enough air flow for the regular combustion of gas and for the
air exchange needed in the room itself. The air vents, protected by grills, must
be suitably dimensioned in compliance with current standards and positioned so
that no part of them is obstructed.
The...

Instructions for the installer
94
11.3 Gas connection
At the end of the installation, check for any leaks with a soapy solution,
never with a flame.
The tightening torque between connections that incorporate a gasket must be
between 10 and 15 Nm.
After carrying out any operation on the appliance, check that the gas
connections are properly tightened.
If the appliance is fuelled by LPG, use a standards-compliant
pressure regulator and connect to the gas cylinder in accordance with
the standards in force....

Instructions for the installer
95 11.3.1 Connection with a rubber hose
WARNING: The following instructions are valid solely for Class 1
installations. See fig. C in chapter “11.1 Installing in kitchen units”.
Connection using a rubber hose complying with current standards is only
permitted if the hose can be inspected along its entire length.
The inside diameter of the hose must be 8 mm for LPG GAS and 13 mm for
NATURAL GAS and CITY GAS.
Installation with a standards-compliant rubber hose must be
carried...

Instructions for the installer
9611.3.2 Connection with a flexible steel hose
WARNING: The following instructions are valid for all types of installation,
see fig. A, B, C in chapter “11.1 Installing in kitchen units”.
Only use standards-compliant continuous wall steel hoses no longer than 2
metres.
This type of installation can be used for both built-in and free-
standing appliances.
Make the connection to the gas mains using a continuous wall
flexible steel hose whose specifications comply with the...

Instructions for the installer
97
11.4 Electrical connection
Make sure the voltage and the cross-section of the power supply line match the
specifications indicated on the identification plate positioned on the appliance.
Do not remove this plate for any reason. A copy of the plate is attached to the
instructions.
The appliance must be connected to the power supply by a qualified technician.
Before performing any operations, switch off the power supply to the appliance.
The appliance must be connected to...

Instructions for the installer
98
POSSIBLE 
CONNECTION TYPESCABLE TYPE
(if not present)
380 - 415 V 3N~5-pole5 x 1.5 mm² H05V2V2-F
380 - 415 V 2N~4-pole4 x 2.5 mm² H05V2V2-F
220 - 240 V 1N~3-pole3 x 4 mm² H05V2V2-F
 Use H05V2V2-F cables withstanding temperatures of 90°C or higher.
 The values indicated above refer to the cross-section of the internal conductor.
 The tightening torque of the screws of the terminal supply wires must be 1.5 - 2
Nm.
The aforementioned power cables are sized taking into...

Instructions for the installer
99
11.5 Positioning the skirt
WARNING: The skirt provided is an integral part of the product; it must be
fastened to the appliance prior to installation.
 Position the skirt above the top, taking care
to align holes A with holes B.
 Secure the skirt to the top by tightening
screws C.
11.6 Positioning and levelling the appliance
After making the electrical and/or gas connections, properly level
the appliance on the floor to ensure better stability. Screw or
unscrew the...

Instructions for the installer
100
12.ADAPTATION TO DIFFERENT TYPES OF GAS
BEFORE PERFORMING ANY OPERATIONS, SWITCH OFF THE POWER
SUPPLY TO THE APPLIANCE.
Appliance set for gas:NATURAL GAS G20 (2H) 20 mbar pressure
(see label on product)
In case of operation with other types of gas, the burner nozzles must be
changed and the minimum flame adjusted on the gas taps.
To change the nozzles, proceed as described in the following paragraphs.
12.1 Replacing the hob nozzles
1 Remove the pan stands, and
remove...

Instructions for the installer
101
12.2 Burner and nozzle characteristics table
For burner arrangement, see “Instructions for the user - 6.4 Cookware
diameters”.
Burner
Rated
heating
capacity
(kW)
Natural gas – G20 20 mbar
Nozzle diameter
1/100  mmReduced capacity
(W)
1Auxiliary1.0572400
2Semi-rapid1.897500
3Rapid3.0115800
4Ultra-rapid4.2135 + 751900
5Fish kettle burner1.994800
Burner
Rated
heating
capacity
(kW)
LPG – G30/G31 28/37 mbar
Nozzle
diameter
1/100  mmReduced 
capacity
(W)Capacity
g/h...

Instructions for the installer
102
12.3 Final operations
After replacing the nozzles, reposition the flame-spreader crowns, the burner
caps and the pan stands.
Following adjustment to a gas other than the one originally set in the factory,
replace the gas setting label fixed to the appliance with the one corresponding to
the new gas. The label is inserted inside the nozzle pack (where present).
12.3.1 Adjusting the minimum setting for natural gas
Light the burner and turn it to the minimum position....