Figure 3-5.--Throttle and pitch control block diagram.
4. Refrigeration plant (monitored)
2. Throttle
5. Sewage and waste system (monitored)
3. Brake
6. Distilling plant (monitored)
4. Air
7. Air-conditioning plant (monitored)
With these systems in auto and the propulsion plant
in one of three propulsion configurations (secure, split
8. High-pressure air system (monitored)
plant, or full power), plant mode control is enabled. With
9. Ship's service air system (monitored)
p l a n t mode control enabled, the following mode
changes can be performed at the PACC:
10. Chilled water expansion tank system (CG-47
class only) (monitored)
1. Secure to split plant (CG-47 class only)
11. Combat dry air system (CG-47 class only)
2. Split plant to full power
(monitored)
3. Full power to split plant
1 2 . AEGIS pump system (CG-47 class only)
4. Full power or split plant to secure
(monitored)
5. Change engine
F o r additional information on these systems, we
recommend you consult the propulsion plant manual for
Auxiliaries Systems
each particular class of ship.
Now that you have read about the control systems
There are certain engineering plant auxiliaries that
at the PACC, let's look at those at the EPCC.
can be monitored and controlled by the ECSS, and there
are others that can only be monitored. The following list
contains the auxiliaries that can be either controlled or
EPCC
monitored at the PACC:
The electric plant control systems monitor and
1. Waste heat boiler (WHB) (monitored)
control the performance and operation of equipment
2. Seawater service (controlled and monitored)
associated with the ship's electrical systems. The
r e m o t e l y produced commands operate controls to
3. Freshwater service (controlled and monitored)
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