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Instructions for the installer
9
See insets above.
NOTES
1 Requirement 3 does not apply to a freestanding or elevated cooking appliance
which is designed to prevent flames or the cooking vessels from extending
beyond the periphery of the appliance.
2 The ‘cooking surface area’ is defined as that part of the appliance where
cooking normally takes place and does not include those parts of the
appliance containing control knobs.
3 For definition of hob, see Clause 1.4.64.
4 For definition of trivet, see Clause 1.4.109.
5 Consideration is to be given to window treatments when located near cooking
appliances. See Clause 5.3.4.
2.3 Room ventilation
Caution – This hob may only be installed and operated in rooms permanently
ventilated in accordance with current regulations. For proper operation of a gas
appliance it is essential for the air necessary for combustion of the gas to be able to
flow naturally into the room. Air must flow directly into the room through openings in
its outside walls. This (these) opening (s) must have a free passage cross-section of
at least 100 cm
2 2
or 200 cm for appliances not equipped with gas safety device.
These openings must be constructed so that they cannot be obstructed indoors or
outdoors, and should preferably be close to the floor on the side opposite to the
combustion gas discharge point. If it is not possible to make the openings in the room
where the cooker is installed, the necessary air may be taken from an adjoining
room, proveded it is not a bedroom or a room with fire risk.
2.4 Discharge of combustion products
Discharge of combustion products must be guaranteed by means of hoods
connected to a natural draught flue with certain efficiency, or by means of forced
aspiration.
An efficient aspiration system requires careful planning by a specialist capable of
installing it, respecting the positions and distances prescribed
by standards. After installation, the installer must issue a certificate of conformity.