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Resumen del manual
Models with fixed internal heat exchanger are also available. 2.3 Commissioning 2.3.1 Filling the tank 1. Check if any installed drain valve is closed. 2. Open the cold-water supply valve to the heater 3. Open all hot-water outlets in order to bleed all air from the system. The heater is filled when cold water runs out of all outlets. 4. Close all hot water taps 2.3.2 Start up Check if the heater is filled with water and that the primary system is ready. Open water supply and return valves. 2.4 Shutting down For longer periods: 1. Close the cold-water tap. 1. If there is any risk of frost damage, drain the tank completely. 2.5 Maintenance The heater must be checked and cleaned regularly (at least once a year) by an accredited installer, so that correct operation is guaranteed. 2.5.1 Anodes The life of the anode is determined by the quality and quantity of the water flowing through the heater. Therefore, we recommend the anodes to be checked regularly – preferably simultaneously with an internal inspection of the glass-lined tank. In order to determine the frequency of replacement of the anode, the waterside of the boiler must be checked three months after installation. The anodes must be replaced, if more than 60% has dissolved at any point on their length. Procedure: 1. Close the cold-water inlet tap. 2. Relieve pressure from the heater completely by opening a hot water tap. 3. Remove the insulation package. 4. Unscrew and inspect the anode. Replace when used for more than 60 %. 5. Replace the anode. Attention: the anode must be in contact with the metal tank. If the tank and the anode are electrically isolated, the anode cannot function. This could have a negative effect on the life of the tank. 6. Assemble everything in reverse order. 7. Fill the heater as described in par. 2.2.1. 2.5.2 Descaling Calcium precipitation depends on the water properties and the hot water demand. In addition, calcium precipitation in the tanks increases at high water temperatures. A clean out opening is located at the front for inspecting and descaling the tank. The clean out opening can be reached via the cover plate on the outer jacket of the tank. Empty the tank before opening the clean out opening. Descaling must be carried out with suitable descaling agents, which can be ordered form A.O. Smith distributors. To ensure that the clean out cover is watertight, the flange gasket should be replaced after every inspection. 2.6 Spare parts It is important to mention the tank type, model and full serial number when ordering spare parts. The spare parts can be determined on the basis of these numbers. 3. FOR THE END USER. Warning An accredited installer must install the tank and perform start up of the system. 3.1 Filling the tank 1. Check if drain valve is closed (if mounted). 2. Open the cold-water tap to the heater and all hot-water outlets in order to bleed all air from the system. The heater is filled when cold water runs out of all outlets. 3. Close all taps at the hot-water outlet points. The tank is now under (water mains) pressure. At this pressure the pressure relief valve must not release any water. 3.2 Start up of the system. 1. Check if the heater is filled with water and that the primary system is ready. 2. Set the controls on the primary circuit t of the boiler to the required sanitary water temperature. 3. Open boiler supply and return valves (if installed) 3.3 Shutting down For lo...
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