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WASTE HEAT RECOVERY SYSTEM
WHB control panel controls and indicators (DD-963 class).

Gas Turbine Systems Technician (Electrical) 2
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Figure 4-5.--WHB control panel controls and indicators (CG-47 c1ass).
OFF or ON position for the circulating pump and
stop switch at the PACC de-energizes the solenoid valve
feedwater pump. Regardless of the selector switch
associated with the steam stop valve, thereby closing the
position, the circulating pump will automatically stop
steam stop valve. A WHB summary alarm is also
during LOW-LOW DRUM WATER LEVEL
provide at the PACC.
conditions. The circulating pump will restart
WHB CONTROL PANEL
automatically when the condition has cleared. The main
The boiler control panel is an integral part of the
steam stop valve has been provided with a CLOSED or
WHB. It contains the boiler controls, warning lights,
OPEN position indicator.
alarm bell, indicator lights, and gauges for local
The WHB is normally operated and monitored from
monitoring of all boiler operating parameters. The WHB
the boiler control panel. The ECSS allows the PACC
operator to monitor steam header pressure and to
control panels for the CG- and DD-class ships are shown
emergency stop the WHB. Depressing the emergency
in figures 4-5 and 4-6, respectively.
4-9






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