VACUUM INSIDE THE FRESH WATER GENERATOR IS DEVELOPED BY THE EDUCTOR WHICH SUCK OUT THE WATER AND NON- CONDENSABLE GASES OUT OF THE FWG TO CREATE THE VACUUM. THIS VACUUM IS REQUIRED FOR THE GENERATION OF WATER AS IN VACUUM THE BOILING POINT OF THE WATER COMES DOWN. HENCE CREATION OF VACUUM IS MUST FOR WATER GENERATION.
REASON FOR VACUUM NOT DEVELOPING ARE AS FOLLOWS :-
- EJECTOR PUMP FILTER GOT CHOCKED.
- EJECTOR PUMP NOT CREATING PRESSURE.
- OVERBOARD VALVE NOT FULLY OPEN.
- EDUCTOR NOZZLE CHOCK.
- EDUCTOR NOZZLE WORN OUT LEADING TO INCREASE IN DIAMETER OF NOZZLE.
- VACUUM BREAK VALVE LEAKING.
- MECHANICAL SEAL OF DISTILLATE PUMP LEAKING.
- TANK FILLING VALVE CLOSED.
- EXTRANEOUS MATTER IN NOZZLE.
- SHELL GASKET IS LEAKING.
- SALINOMETER 3 WAY VALVE LEAKING.
- THE SWING CHECK VALVE ON THE SUCTION LINE OF THE DISTILLATE PUMP CHOCKED.
- TOO HIGH FORMATION OF NON CONDENSABLE GASES DUE TO HIGH TEMPERATURE OF WATER.