OICEW-5-1C
Shut down refrigeration system
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 |
Note: Not all steps are possible on all refrigeration systems.
See the Engineering Assessment Guidelines for additional specifications of behavior and standards.
Note: This assessment supports KUP OICEW-A4.1, and is assessed in EN-3213 Refrigeration.