Condition
Using an approved simulator, in the laboratory, or aboard ship and given access to an operating refrigeration system.
Performance requirement
| 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 |
Location
Assessed in EN‑3213 Refrigeration.
References
STCW Knowledge, Understanding and Proficiency
NVIC Tasks
- NVIC 17-14 Task 4.3.V Secure refrigeration system
Note: Not all steps are possible on all refrigeration systems.
See the Assessment Guidelines for additional specifications of behavior and standards.