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GB II. INSTRUCTIONS FOR INSTALLATION Important: The external oven panels must be removed to perform the operations described in this chapter. Since the appliance must be switched on to make certain adjustments, exercise the utmost care when working in the vicinity of the appliance’s “live” parts. 1. INSTALLATION PLACE • The appliance must only be installed in adequately ventilated premises. 2. POSITIONING • Unpack the appliance and carefully remove the protective film from the external panels to avoid leaving any trace of glue. Use a suitable diluent to remove any glue residue. • Dispose of the packaging as instructed in the chapter on "Safeguarding the environment" • Refer to the installation diagrams at the beginning of this booklet for the space requirements and connection dimensions of the appliance. • The LH side of the appliance must be installed at least 50 cm from adjacent units to provide easy access for maintenance, while the RH side must be installed 10 cm from adjacent units made from flammable materials. • Place the appliance in the required position and adjust the height of the work surface using the adjustable feet. • The appliance is not suitable for built-in installation. Important: Make sure vapours from the oven’s drain or adjacent appliances do not enter the aeration vents under the appliance, which cool the oven’s internal components. 40
3. ELECTRICAL CONNECTION • The appliance must be connected to the mains power supply in compliance with current regulations. • Before connecting the appliance to the mains supply, make sure that the voltage and frequency shown on the appliance rating plate correspond with that of the power supply. • The appliance must be permanently connected to the mains power supply with an H05 RN-F type cable. The power supply cable must be protected by a metal or rigid plastic tube. If the appliance is connected by way of an existing lead, do not insert the installation tube in the appliance and make sure the tube has no sharp edges. • A safety cutout switch of suitable capacity with a contact breaking distance of at least 3 mm must be fitted upstream of the appliance. This cutout switch must be installed near the appliance in the permanent electrical system of the premises. • The appliance must be suitably earthed. The earthing conductor must therefore be connected to the terminal marked G on the connection terminal board. The appliance must also be connected to an equipotential system. This connection is made using the stop screw marked E located on the outside of the appliance near the power cable inlet. The equipotential wire must have a minimum cross-section of 10 mm 2 . 4.1 INSTALLING THE POWER SUPPLY CABLE (Fig. "10") To access the power supply cable connection terminal board, proceed as follows: Mod. 6 GN1/1 - 10 GN1/1 - 10 GN2/1 • Undo screws "V" fixing the terminal board support panel located underneath the appliance on the front LH side. • Feed the power supply cable through cable clamp inlet "B". • Connect the cable to terminal board “A” as shown in the enclosed wiring diagram and fasten with the corresponding cable clamp. • Remount the panel and secure with the fixing screws. 10 Mod. 20 GN1/1 - 20 GN2/1 • Open the control panel. • Connect the cable to terminal board as shown in the enclosed wiring diagram and fasten with the corresponding cable clamp. The manufacturer declines any responsibility for failure to comply with existing accident prevention standards. 41 4. WATER MAINS CONNECTION (Refer to the installation diagrams at the beginning of this booklet). The appliance is fitted with two separate water inlets ("B" and "N"). The water lines supplying both inlets must be fitted with a mechanical filter and shut-off cock. Before fitting the filters, pump water through the system to expel any solid particles from the piping. 4.1. WATER SUPPLY CHARACTERISTICS 4.1.1 Water inlet "N". The steam condensation system must be connected to a cold drinking water supply with the following characteristics: - total hardness: up to 40°F; - pressure: 150 to 250 kPa (1.5-2.5 bar); higher pressure values result in increased water consumption. 4.1.2 Water inlet "B". The steam production system must be connected to a drinking water supply with the following characteristics: - total hardness: 0.5 to 5 °F to prevent the build-up of limescale inside the boiler (or oven chamber on models with automatic generation). On request the oven is supplied with an optional water softener device with automatic regeneration which must be installed on inlet line "B". This device is also supplied with a resin sterilisation kit (available on request). - pressure: 150 to 250 kPa (1.5-2.5 bar); higher pressure values result in increased water consumption. - chlorine ion concentration (Cl -): not more than ~10 ppm (acceptable value) to avoid damaging the oven's internal steel elements. - pH: over 7. On request the oven is supplied with an optional special filtration unit which is installed on inlet line "B". This unit also acts as a water softener by reducing water hardness to less than 5°F. - electrical conductivity: 50 to 2000 µS/cm (20°C). Important: Only install the water treatment systems supplied by the manufacturer. Failure to do so automatically invalidates the guarantee. The use of dosing systems designed to prevent the buildup of lime-scale in pipes (i.e. polyphosphate dosing systems) is also prohibited since it may impair the performance of the appliance. GB
Page 1 and 2: H - FORNI CONVEZIONE/VAPORE ELETTRI
Page 3 and 4: IT GB DE FR BE ES NL SE DK PT GR BE
Page 5: Mod.: 20 GN 1/1 IT I - Entrata cavo
Page 8 and 9: GB I. MAIN FEATURES 1. DESCRIPTION
Page 10 and 11: GB TABLE 1: TECHNICAL DATA FIGURES
Page 14 and 15: GB 4.2 WATER PRESSURE ADJUSTMENT (O
Page 16 and 17: GB 9. LAYOUT OF MAIN COMPONENTS (Al
Page 18 and 19: GB 3. DESCRIPTION OF CONTROL PANEL
Page 20 and 21: GB 3.6. STEAM BOILER CONTROLS Note:
Page 22 and 23: GB 4.4. START OF COOKING CYCLE - Ma
Page 24 and 25: GB 5. FUNCTIONAL LEVEL C4 5.1. TURN
Page 26 and 27: GB 4) Turn temperature probe contro
Page 28 and 29: GB 6.7. START OF COOKING CYCLE - Ma
Page 30 and 31: GB 6.14. AUTOMATIC MODE A U T O aut
Page 32 and 33: GB 7. ALL MODELS 7.1. ALARM AND DIA
Page 34 and 35: GB Changing the oven bulb (Fig. "20
Page 36 and 37: Livello 3 Level 3 Ebene 3 Niveau 3
Page 38 and 39: Livello 6 Level 6 Ebene 6 Niveau 6

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