Centrifugal Fan · Ventilation
Novenco Novenco CMA-500 is identified in the source list as a centrifugal fan. It is installed in a fan room, duct section, machinery space or weather-deck ventilation opening and connected to the vessel's supply or exhaust ductwork. Its purpose is to move ventilation air into, through or out of accommodation, machinery, cargo or technical spaces according to the listed fan duty. The source record provides a stated power of 11.0 kW, the stated capacity 12000 m³/h, and the existing record note 'Ventilation, 11 kW, marine ventilation'. The fan assembly normally includes impeller, casing, motor, bearings or direct drive, flexible connections and local or remote controls. The exact model designation and any source-listed power or airflow distinguish fan size and duty from neighboring ventilation units; refer to the manufacturer documentation for the exact figure.
Every value below comes from the manufacturer datasheet or class-society record on file for this model.
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What our service work and the manufacturer documentation say about keeping this model running.
Inspect fan blades, casing, bearings, motor, guards, flexible connections, dampers and foundations. Clean accumulated dust, grease or salt that can alter balance or restrict airflow. Trend vibration, motor current and bearing condition where practical and investigate changes from normal operation. Check rotation direction after electrical work and verify remote start, stop and fire-damper interlocks. Inspect weather louvers and ductwork for corrosion, obstruction and water ingress. Refer to the manufacturer documentation for the exact figure for bearing, belt, airflow and motor limits.
Keep bearings, belts where fitted, flexible connectors, motor or fan components, damper actuators, filters or screens and manufacturer-recommended starter or control parts. Critical machinery-space ventilation may justify a spare motor or impeller assembly. Verify rotation and electrical rating before replacement.
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