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Manafacture: Electrolux File size: 894.87 kb File name: Language of manual:

Failure to comply with safety rules and regulations relieves the manufacturer of all liability. The manufacturer requires when stacking units each appliance have its own branch circuit protection. An air-o-steam® unit stacked with an air-o-chill® unit should have a separate protection for the upper and lower units. 4. WATER MAINS CONNECTION (Refer to the installation diagrams at the beginning of this booklet). This equipment is to be installed to comply with the applicable Federal, State, Local plumbing codes, or the Basic Plumbing Code of the Building Officials and Code Administrators International Inc. (BOCA) and Food Service Sanitation Manual of the Food and Drug Administration (FDA). When connecting the appliance to the water system with flexible tubes they must be new and not used. 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 valve (keeping with local plumbing codes). Before fitting the filters allow the water to flow out for sufficient time to flush any solid particles from the piping. 4.1 WATER SUPPLY CONNECTIONS 4.1.1 WATER INLET "N". Attention The water supply pipe (supplied) must have a 3/4" dia (20 mm) pipe and must be without elbow fittings. The steam condensation system must be connected to a cold quality water supply in keeping with local plumbing codes, with the following characteristics: - total hardness: total hardness: up to 400ppm (40°fH); in ovens equipped with CLEANING SYSTEM it is advisable to use water of hardness no higher than 50ppm (5°fH). - pressure: 22 to 36 psi (150-250 kPa); higher pressure values result in increased water consumption. Note: To check correct water installation, make sure the rotating wash arm (CLEANING SYSTEM) does not turn below 100 rpm (120 max). 4.1.2 WATER INLET "B". (water pipe supplied) The steam production system must be connected to a quality water supply in keeping with local plumbing codes, with the following characteristics: - total hardness: 5 - 50ppm (0.5 - 5 °fH) to reduce the buildup of lime-scale inside the boiler. On request the oven is supplied with an optional water softener with automatic regeneration which must be installed on inlet line "B". This device can also be fitted with an optional resin sanitizer kit. - pressure: 22 to 36 psi (150-250 kPa); 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 parts. - pH: over 7. The oven can be equipped with an optional special filtration unit which is installed on inlet line "B". This unit also acts as a water softener, reducing water hardness to less than 50ppm (5 °fH) (optimum value). - electrical conductivity: 50 to 2000 .S/cm (68°F)(20°C). Important: The use of water treatment systems featuring technology that differs from that of the systems supplied by the manufacturer is prohibited and will automatically invalidate the warranty. The use of dosing systems designed to prevent the buildup of lime-scale in pipes (i.e. polyphosphate dosing systems) is also prohibited since such systems may impair the performance of the appliance. 4.2 WATER DRAIN SYSTEM - OVEN level A - The oven is supplied with an air-break system to prevent any backflow from the drainage system from reaching the oven’s internal circuits and the cooking chamber. The presence of ...

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