Prior to installation, ensure that the local distribution conditions (nature of the gas andgas pressure) and the adjustment conditions are compatible. The adjustmentconditions for this appliance are stated on the data badge which is fitted on the rearpanel.This appliance is not designed to be connected to a combustion products evacuationdevice. It must be installed and connected in accordance with current installationregulations. particular attention should be given to the relevant requirementsregarding ventilation.MODEL NUMBERS 10450G, 10455G, 10456GCategory II2H3+ (GB. IE)This model is set to burn NATURAL GAS (G20) at 20 mbar but can be converted for useon BUTANE (G30) at 28-30mbar or PROPANE (G31) at 37mbar with the use of a servicekit supplied with the appliance or available from our Service and Genuine Parts andAccessories department (see KEY CONTACTS, back cover).GAS SAFETY (INSTALLATION & USE) REGULATIONSIt is the law that all gas appliances are installed by competent persons inaccordance with the current edition of the above regulations. It is in your interest andthat of safety to ensure compliance with the law.In the UK, CORGI registered installers work to safe standards of practice.The cooker must also be installed in accordance with BS 6172.Failure to install the cooker correctly could invalidate the warranty liability claims andcould lead to prosecution.LOCATIONThe cooker may be located in a kitchen, kitchen/diner or a bed-sitting room, but not ina room containing a bath or shower. The cooker must not be installed in a bed-sittingroom of less than 20m 3.When adjusted for use on BUTANE (G30) or PROPANE (G31) the cooker must not beinstalled in a room or internal space below ground level, eg. in a basement.PROVISION FOR VENTILATIONThe room containing the cooker should have an air supply in accordance withBS 5440: Part 2.The room must have an opening window or equivalent; some rooms may also requirea permanent vent. If the room has a volume between 5 and 10m 3, it will require an airvent of 50cm 2 effective area unless it has a door which opens directly to outside. If theroom has a volume of less than 5m 3, it will require an air vent of 100cm 2 effective area.If there are other fuel burning appliances in the same room, BS 5440: Part 2 should beconsulted to determine air vent requirements.INSTALLATION INSTRUCTIONS27