ARMY TM 9-6115-604-12NAVY NAVFC P-8-633-12Table 2-11. Miscellaneous Controls and InstrumentsFigure 2-11, 1DC Emergency lights DS20To provide control room and engineDarkthrough DS23room lighting upon failure of set or utility120 V ac power.Figure 2-11, 2Control room and engine roomTo provide 120 V ac lighting.Litlights DS101, DS103, andDS104Figure 2-11, 3Circuit breaker locking beamTo make It Impossible for SET POWER--CB124 and UTILITY POWER CB125 tobe ON simultaneously.Figure 2-11, 4SET POWER circuit breakerWhen set to ON, generator set 120 V acOFFCB124lights are connected to generator setpower through set station power trans-former T101.Figure 2-11, 5UTILITY POWER circuit breaker When set to ON, generator set 120 V acONCB125lights and receptacles are connected toutility power through utility station powertransformer T103.Figure 2-11, 6ON/OFF switches S102, S103,To switch control room and engine roomONand S104lights DS101, DS103, and DS104 ON orOFF.Figure 2-11, 7Control room heater switchesTo operate control room heaters H103S108 and S109and H104.FIGUREANDINDEX NO.CONTROL ORINSTRUMENTFUNCTIONNORMALREADING/SETTING ATRATED LOAD2-25
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