RFPEW Task 1.1.E

Monitor refrigeration and air-conditioning plants

MMA Method

In order to satisfy NVIC 07-14 Task 1.1.E , MMA students must:

NVIC Method

See NVIC method.

STCW Competence Knowledge, Understanding, and Proficiency

Carry out a watch routine appropriate to the duties of a rating forming part of an engine-room watch.

RFPEW-A1.2 Engine-room watchkeeping procedures

Condition Behavior Standard

On a vessel, on a simulator, or in a laboratory,

the candidate monitors the refrigeration and air- conditioning plants.


All The assessment applies to all RFPEW endorsements.

The candidate:

  1. Checks plant’s operational status;
  2. Checks compressor suction and discharge pressures and temperatures;
  3. Checks compressor-oil level;
  4. Checks compressor-oil pressure and control-oil pressures;
  5. Checks receiver level;
  6. Checks liquid-line sight glass condition;
  7. Checks related cooling water supply strainers and filters, and cleans or blows down same when necessary;
  8. For refrigeration plants, checks refrigerated box temperatures and condition of the evaporator coils and drain for icing;
  9. For refrigeration plants, notes the condition of the box door gaskets and operation of circulating fans;
  10. For air conditioning plants, checks return and supply air temperatures;
  11. Checks condenser sea-water inlet and outlet temperatures;
  12. For air conditioning plants, checks chilled-water pump suction and discharge pressures, if applicable;
  13. For air conditioning plants, checks chilled-water inlet and outlet temperatures, if applicable;
  14. For air conditioning plants, checks chilled-water expansion-tank level, if applicable;
  15. Notifies the watch engineer of any unusual or unsafe conditions; and
  16. Takes proper action to prevent safety and pollution violations.