NVIC 07-14 Task 1.1.E

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

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

the candidate monitors the refrigeration and air- conditioning plants.

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.