video presentation

HFO PURIFIER BASIC OPERATION

Power Point Presentation on Purifier operation. Alarms, Reset and Rectify

HFO Purifier Video

Purifiers automatic operation and the outline of faults that lead to automatic stopping.

Video presentation

Starting procedure and emergency stopping set up

- Explain working principles of rotary vane steering gear system - Explain how the pump is controlled to move the rudder from one position to another. - Explain emergency operation of the steering gear.

Describe different types of compressor used in marine refrigeration system Summarize working principle of the different types of refrigeration compressors Describes, with aid of simple sketches, a rotary gland seal

Explain the function of refrigerant condenser Explain the working principle of each classifications of refrigerant condenser Start fan and compressor and maintain parameters until thermostat indicate a 20 Centigrade

Explain the purpose of TXV Identify the different types of TXV Identify the location of TXV in the refrigeration system On actual trainer, Charge refrigerants into the system (Laboratory)

19. Explain the purpose of refrigerant evaporator 20. Outline Characteristics of the different classification of refrigerant evaporators 21. Sketch a block diagram of the refrigeration system showing the components and the following processes take place: (Laboratory)

19. Explain the purpose of refrigerant evaporator 20. Outline Characteristics of the different classification of refrigerant evaporators 21. Sketch a block diagram of the refrigeration system showing the components and the following processes take place. • removal of superheat • condensation • throttling • evaporation • compression • expansion • charging 22. Names common primary refrigerants currently specified under IMO recommendation (ozone protection 23. Describes the purpose of primary and secondary refrigerant 24. Describe the process of making brine 25. Explain the purpose of record keeping of refrigerant consumption 26. Recover refrigerant from the system (Laboratory)

27. Describe the principle of insulation of storage spaces 28. Identify that range of temperature for spaces containing: • frozen meat and fish • vegetables • lobby 29. Prepare refrigeration system (Laboratory) (ERS) 30. Describe the different types of air conditioning system use on board ships 31. Explain how to control temperature and humidity in the air conditioning system 32. Start refrigeration system (Laboratory) 33. Explain function of air conditioning system components 34. Sketches a single line and block diagram of an air conditioning system, system components and arrows to indicate flow of refrigerant, showing the following components: • fan • thermotank • thermostat • fresh air dumper • return air dumper 35. Maintain temperature in provision store and meat/fish store at +5C and -18C respectively (Laboratory)

The Learning outcome in this topic is; At the end of the topic the cadets must be able to _ _ _ ; 36. Explain the function/purpose of ventilation system on board vessels 37. Explain with an aid of diagram how ventilation is achieved in the machinery spaces 38. Operate air conditioning system (summer operating procedures) (Laboratory)

Learning Outcome: (At the end of the topic, the cadets must be able to; 39. Explain automatic control system of refrigeration system, air conditioning system and ventilation 40. Explain advantage and disadvantages of automatic operations of refrigeration system, air conditioning system and ventilation 41. Operate air conditioning system (Winter operating procedures) (Laboratory)

Explain safety precautions and checking points on a refrigeration system while running Describe how the operating conditions is identified in a good working order Describe the effects of variations in seawater temperature on the running of a refrigerating system Start ventilation fans and set to auto mode (Laboratory)