MAN Alpha Lubricator PCB and HMI

varification

The cylinder lubrication system is controlled by the Master Control Unit (MCU) which calculates the injection frequency on the basis of the engine speed signal given by the tacho signal (ZE) and the fuel index.

Lubricating control functions such as ‘mep dependent’ and ‘load change dependent’ are all incorporated in the MAN B&W Alpha cylinder lubrication system.

The MAN B&W Alpha Cylinder Lubricator is preferably to be controlled in accordance with the Alpha Adaptive Cylinder oil Control (Alpha ACC) feed rate system.
The MCU is equipped with a Backup Control Unit (BCU) which, if the MCU malfunctions, activates an alarm and takes control automatically or manually, via a Switch Board Unit.
The MCU, BCU and SBU together comprise the Alpha Cylinder Lubricator Control Unit (ALCU) in the shape of a single steel cabinet which is, as standard, located in the Engine Control Room.

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