18This hob must be installed in accor-dance with the Gas Safety(Installation and Use) Regulations(Current Edition) and the IEEWiring Regulations (CurrentEdition).Detailed recommendations are con-tained in the following BritishStandards Codes Of Practice: B.S.6172/ B.S. 5440, Par. 2 and B.S.6891 Current Editions.The hob should not be installed in abed sitting room with a volume ofless than 20 m³. If it is installed in aroom of volume less than 5 m³ an airvent of effective area of 110 cm² isrequired. If it is installed in a roomof volume between 5 m³ and 10 m³an air vent of effective area of 50cm² is required, while if the volumeexceeds 11 m³ no air vent isrequired.However, if the room has a doorwhich opens directly to the outsideno air vent is required even if thevolume is between 5 m³ and 11 m³.If there are other fuel burning appli-ances in the same room, B.S. 5440Part 2 Current Edition, should beconsulted to determine the requisiteair vent requirements.This hob must be installed byqualified personnel to therelevant British Standards.Any gas installation must becarried out by a CORGIregistered installer.The maufacturer will notaccept liability, should theabove instructions or any ofthe other safety instructionsincorporated in this book beignoredImportant safety requirements