Evaporator Normal START–UP in automatic condition

Normal START–UP in automatic condition

·        Turn ON the main switch.

·        Make sure the evaporator is selected

on AUTO (position 3).

·        Press the push button ‘AUTOMATIC START’.

·        The seawater pump PU-SW-01 starts. (check valves)

·        The vacuum breaker valve VA-EV-01 closes.

·        The temperature control valve VA-SW-03 / TT-SW-01 starts it’s automatic control.

·        The ejector pump PU-EC-01 starts.

·        The feed water valve VA-FE-01 / PT-FE-01 starts to control the feed pressure.

·        The chemical dosing pump is started.

·        The steam flash drain valve VA-SF-01 is closed.

·        The steam flash pump starts.

·        The brine pump PU-BR-01 and level control valve VA-BR-06 are enabled for control.

·        The distillate pump PU-DI-01 and level control valve VA-DI-01 are enabled for control.

·        The hot water pump is started.

·        The steam valve VA-SI-01 starts to open the steam supply to the steam booster.

·        The salinometer switch is active.

For more information see:

Alfa Laval ‘Instruction manual for desalination units’ – Binder 1/3

- Section 4.3 Normal start-up.