47Installation Guide - "Château" Range G408NOTINSTALG4/EN-1BEFORE DELIVERY Electrical & Gas supplyVoltage: 220 - 240 V a.c., single-phase + neutral + ground400 V a.c. 3N, three-phase + neutral + ground.50 / 60 HzSafety:The electrical supply must necessarily be grounded and must be equipped witha circuit breaker protection compatible with the appliance’s power rating.When a cooker is hooked on 400 V tri-phase, the circuit breaker must be a 4-line breaker(3 phases and neutral must be cut).In high-risk regions, an additional protection against natural electrical phenomena(lightning) must be used.A disconnection system must be provided in accordance with standard regulation.Power:It is advisable to check whether the power rating of your electrical installation providesyou with sufficient power for your model, taking into account any electrical appliancesyou have already installed. Refer to the tables for each of the models for the total powerand current ratings.The overall wattage of your appliance is also indicated on the rating plate and on thewarranty certificate (See pt.4, page 13 for the location of the plate).Due to the power of La Cornue appliances, a simple plug and socket connection is notrecommended: the electrical connection should consist of a flexible cord without a plug,directly connected to the circuit breaker outlet by means of a junction box with terminalblocks, preferably of the anti-shearing type.Only all-gas hobs with only hob burner ignition can be connected with an ordinary 3-pinplug.The gas installation must comply with the current regulations in the countrywhere the appliance will be installed.Reminder of the main obligations with regard to gas installations:The gas must be supplied via a rigid metallic pipe, terminated by an easily accessiblemanual shutoff valve.This valve must be positioned, taking into account that the gas inlet on the appliance issituated:· on the left of the cooker or the hob.· at the level of the work area (on the bottom left) for hobs.3. GAS SUPPLY2. ELECTRICAL SUPPLY