Boiler · Boilers
The Alfa Laval S.p.A. Aalborg-ESB-2500 is an electrically heated marine steam boiler from the Aalborg ESB family. It produces steam or hot water using electrical power instead of firing fuel in a burner, allowing steam production from shore power or available onboard electricity. The boiler is integrated with the vessel's feedwater, steam, condensate, safety and control systems and is normally installed in a machinery or technical space suitable for pressure and electrical equipment. Its maintenance profile differs from an oil-fired auxiliary boiler because the critical heat-producing components are electrical heating elements and switching equipment rather than a burner and combustion system. Water level protection, feedwater quality, electrical insulation and reliable staging of the heating elements are therefore central to safe operation. The designation Aalborg-ESB-2500 identifies a specific Aalborg ESB electric boiler configuration in the supplied equipment list. Exact capacity, pressure and temperature limits, materials, connection details and internal configuration must be verified from the unit nameplate and manufacturer documentation; refer to the manufacturer documentation for the exact figure.
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What our service work and the manufacturer documentation say about keeping this model running.
Inspect the pressure vessel, valves and external piping for leakage, corrosion and damaged insulation. Function-test water-level indication, low-water protection, feedwater control, pressure control, alarms and shutdowns according to the approved procedure. With the equipment safely electrically isolated, inspect heating-element connections, contactors, relays and terminals for looseness, discoloration or insulation damage. Maintain boiler-water chemistry and verify safety devices in accordance with manufacturer, class and statutory requirements; refer to the manufacturer documentation for exact electrical test values and water limits.
Carry configuration-specific heating-element components where practicable, together with suitable contactors, relays, control fuses, level-control components, pressure-control components, valve seals, flange gaskets and feedwater-system consumables. Electrical spares must match the installed voltage and control specification and should be verified against the serial-number documentation.
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