Table 2-3. Annunciator Control Panel A, Controls and Instruments

ARMY TM 9-6115-604-12 NAVY NAVFC P-8-633-12 Table 2-3. Annunciator Control Panel A, Controls and Instruments Figure 2-3, 1 CLOCK 60 HZ Ml 110 To indicate time -- Figure 2-3, 2 ANNUNCIATOR RESET push- Used to clear annunciator panel A9 after -- button S12 an alarm condition has been corrected. Figure 2-3, 3 ALARM SILENCE pushbutton Used to shut down horn LS1 and stop -- S16 flasher DS19 after an alarm circuit trips. Figure 2-3, 4 Annunciator Panel A9 In the event of an alarm condition, this Dark back-lit panel will light to show which one of 14 possible alarm conditions caused the alarm. See figure 2-4 Figure 2-3, 5 ANNUNCIATOR TEST pushbut- Used to test annunciator panel A9 and -- ton S15 horn LS1 Horn will sound and all lights in annunciator panel will light when but- ton is pressed. Figure 2-3, 6 CLOCK 50 HZ M111 To indicate time. -- Figure 2-3, 7 KILOWATT HOURS counter Indicates total accumulated kilowatt- -- CNTR hour output of the generator set Figure 2-3, 8 FREQUENCY SEL SW S118 To set the generator set for 50 or 60 Hz -- operation. Figure 2-3, 9 CROSS CURRENT ADJUST Used when paralleling to prevent recir- -- Rheostat R105 culating currents between generator sets Figure 2-3, 10 Over current Relay K114 Used to trip open load circuit breaker in -- event of overload current or short circuit. See figure 2-5. Figure 2-3, 11 GROUND FAULT Relay K 115 Used to trip open load circuit breaker -- CB101 in event of current flow in neu- tral. FIGURE AND INDEX NO. CONTROL OR INSTRUMENT FUNCTION NORMAL READING/ SETTING AT RATED LOAD 2-9