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Smeg A2py8 Manual

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    							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 appliance must be kept adequately ventilated in order to eliminate the heat
    and humidity produced by cooking: in particular, after prolonged use, you are
    recommended to open a window or to increase the speed of any fans.
    Combustion products can be extracted by means of hoods connected to a
    natural draught chimney whose efficiency is assured or via forced extraction. An
    efficient extraction system requires precision planning by a specialist qualified in
    this area and must comply with the positions and distances indicated by the
    applicable standards. When the job is complete, the installer must issue a
    certificate of conformity.
    Extraction using a hood.
    Extraction without a hood.
    Single natural draught chimney.
    Single chimney with extractor fan.
    Directly outdoors with wall- or
    window-mounted extractor fan.
    Directly outdoors through wall.
    Air
    Combustion products
    Extractor fan 
    						
    							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.
    Make sure that the supply pressure complies with the values
    indicated in the table “12.2 Burner and nozzle characteristics table”. 
    						
    							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 out so that the length of the piping does not exceed 1.5
    metres; make sure that the hose does not come into contact with
    moving parts and that it is not crushed in any way.
    Verify that all following conditions are met:
     the hose is fixed to the hose connection with safety clamps;
     no part of the hose is in contact with hot walls (max. 50°C);
     the hose is not under traction or tension and has no kinks or
    twists; 
     the hose is not in contact with sharp objects or sharp corners; 
     if the hose is not perfectly airtight and leaks gas, do not try to
    repair it: verify that the hose is not past its expiry date
    (serigraphed on the hose itself).
    Make the connection to the gas mains using a rubber
    hose whose specifications comply with current
    standards (verify that the reference standard is
    stamped on the hose).
    Carefully screw the hose connector 3 to the
    appliance’s gas connector 1 (1/2” thread ISO 228-1),
    placing the seal 2 between them. The hose connector
    4 can also be screwed to the hose connector 3,
    depending on the diameter of the gas pipe used. After having tightened the
    hose connector(s), push the gas pipe 6 onto the hose connector and secure it
    with the clamp 5 that is compliant with the applicable standard.
    32
    1
    4
    3
    6
    5 
    						
    							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 pipe whose specifications comply with the
    applicable standard.
    Carefully screw the connector 3 to the appliance’s gas connector
    1 (1/2” thread ISO 228-1), placing the seal 2  between them.
    11.3.3 Connection with a flexible steel hose with conical fitting (where
    present)
    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 pipe whose specifications comply with the
    applicable standard.
    Carefully screw the connector 3 to the appliance’s gas
    connector 1 (½” thread ISO 228-1), placing the seal 2 between
    them. Apply insulating material to the thread of the connector 3,
    and then tighten the flexible steel pipe 4 to the connector 3.
    2
    1
    3
    2
    1
    4
    3 
    						
    							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 earth in compliance with electrical system
    safety standards.
    Where the appliance is connected to the power grid via plug and socket, both of
    these must be of the same type and connected to the power cable in
    accordance with current standards. The socket must be accessible after the
    appliance has been built in. NEVER UNPLUG BY PULLING ON THE CABLE.
    Should the earthing wire need replacing it must be longer than the conducting
    wires so that, if the plug is torn off the power cable, it is the last to be detached.
    Avoid use of adapters and shunts as these could cause overheating and a risk
    of burns.
    If a fixed connection is being used, fit the power line with an omnipolar circuit
    breaker with a contact opening gap equal to or greater than 3 mm, in an easily
    accessible position close to the appliance.
    The manufacturer declines all responsibility for damage to persons or things
    caused by non-observance of the above prescriptions or by interference with
    any part of the appliance. 
    						
    							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 1.5 mm² H05V2V2-F
    220 - 240 V 1N~3-pole3 x 2.5 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 account the coincidence
    factor (in compliance with standard EN 60335-2-6).
    11.5 Positioning the skirt
     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. 
    						
    							Instructions for the installer
    99
    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 bottom part of the foot until the appliance is stable and
    level on the floor.
    11.7 Wall mounting instructions  (some markets only)
    1 Fasten a hook bolt (not supplied) into the
    wall at a height (h) of 800 mm from the
    floor.
    The installer must provide the hook bolt when installing the appliance.
    2 Attach the snap hook to the chain.
    3 Attach the end of the chain to the hook
    bolt fastened in the wall.
    4 Finally, connect the snap hook to the
    appropriate hole on the back of the
    appliance. 
    						
    							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 types of gas other than that set in factory (see label on
    product), 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 all burner caps and flame-spreader
    crowns to access the burner casings.
    2 Unscrew the nozzles using a 7 mm socket wrench.
    3 Replace the burner nozzles according to the type of gas to be used (see
    12.2 Burner and nozzle characteristics table).
    4 Replace the burners in the correct position. 
    						
    							Instructions for the installer
    101
    12.2 Burner and nozzle characteristics table
    For burner arrangement, see “Instructions for the user - 6.4 Cookware
    diameters and burner arrangement”.
    Burner
    Rated 
    heating
    capacity
    (kW)
    Natural gas – G20 20 mbar
    Nozzle diameter
    1/100  mmReduced capacity
    (W)
    1Auxiliar y1.0572400
    2Semi-rapid1.897500
    3Rapid3.0115800
    4-5Ultra-rapid3.91351600
    Burner
    Rated 
    heating
    capacity
    (kW)
    LPG – G30/G31 28/37 mbar
    Nozzle
    diameter
    1/100  mmReduced 
    capacity
    (W)Capacity
    g/h G30Capacity
    g/h G31
    1Auxiliar y1.05504007675
    2Semi-rapid1.865500131129
    3Rapid3.085800218215
    4-5Ultra-rapid3.91001600290286 
    						
    							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 and city gas
    Light the burner and turn it to the minimum position. Extract
    the gas tap knob and turn the adjustment screw next to the
    tap rod (depending on the model) until the correct minimum
    flame is achieved.
    Refit the knob and verify that the burner flame is stable (when
    turning the knob rapidly from the maximum to the minimum
    position the flame must not go out). Repeat the operation on
    all the gas taps.
    12.3.2 Adjusting the minimum setting for LPG
    In order to adjust the minimum setting with LPG, the screw at the side of the tap
    rod must be tightened clockwise all the way. 
    						
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