Make sure seawater ejector pump suction, discharge, and overboard valves are open.
Start the ejector pump. Seawater pressure at the air ejector must be at about 3 bar or more.
Wait for the vacuum to build up inside the freshwater generator shell. (About 92 % vacuum).
Open the feed water valve to feed seawater to the evaporator. Adjust the feed water pressure. Normally for desired feed water pressure (thereby the flow).
Open the main engine jacket cooling water inlet and outlet to the evaporator gradually.
Open the air vent clock at the top of the evaporator to make sure the evaporator is filled with jacket co
Switch on the salinity alarm panel for measuring the purity of the freshwater produced.
There will be a sight glass provided at the suction line for the distillate pump.
Make sure to condense the distillate pump and an open discharge valve to lead-generated water to specified storage tanks.
Do checks while running the Fresh Water Generator
Through the sight glass provided in the evaporator shell, observe the flashing of water.
Also, check for the brine level inside. It should not be too high or too low.
Shell temperature must be around 50 degrees Celsius.
Make sure that the shell vacuum is more than 90% from the vacuum gauge.
Check the seawater inlet and outlet temperature of the condenser.
Ensure seawater pressure at the air-ejector inlet is more than 3 bars.
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