Assessment OICEW-5-1C

Shut down refrigeration system

Assessed in EN-3213 Refrigeration

Note: Not all steps are possible on all refrigeration systems.


Using an approved simulator, in the laboratory, or aboard ship and given access to an operating refrigeration system.

Performance Requirements

Behavior Standard
The student will: During assessment, the student shall, at a minimum:

Secure the refrigerant circuit

Close the receiver outlet valve

Pump down the receiver

Observe suction pressure

Secure the refrigeration compressor

Observe compressor stop on low pressure cut-out

De-energize the compressor

Close compressor suction and discharge valves

Secure associated equipment

Secure secondary refrigerant loop, if used

Secure box solenoid, if shutting down

Secure the cooling water supply

Close valves and secure pumps as required

Supports Table A-III/1 officers in charge of an engineering watch

Competence Knowledge, Understanding & Proficiency Task

Operate main and auxiliary machinery and associated control systems

A4.1 Basic construction and operation principles of machinery systems, including:

  1. marine diesel engine
  2. marine steam turbine
  3. marine gas turbine
  4. marine boiler
  5. shafting installations, including propeller
  6. other auxiliaries, including various pumps, air compressor, purifier, fresh water generator, heat exchanger, refrigeration, air-conditioning and ventilation systems
  7. steering gear
  8. automatic control systems
  9. fluid flow and characteristics of lubricating oil, fuel oil and cooling systems
  10. deck machinery

Shut down refrigeration system

Published: 2016-10-28-04:00