Circulating pump for preheater (4P04)
If the main cooling water pump (HT) is engine driven, the preheater pump shall start when the engine stops
(to ensure water circulation through the hot engine) and stop when the engine starts. The engine control
system handles start/stop of the pump automatically via a motor starter.
Sea water pumps (4P11)
The pumps can be stopped when all engines are stopped, provided that cooling is not required for other
equipment in the same circuit.
Lubricating oil separator (2N01)
Continuously in operation.
Feeder/booster unit (1N01)
Continuously in operation.
Product Guide Wärtsilä 34DF - 3/2012
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Product Guide
14. Automation System
