Figure 10. Fire Suppression Alarm System Schematic

TM 55-1925-292-14&P

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The strobe lights and bell are powered by emergency lighting panel 1 via pressure switch PS-1 (figure 10, item 1).

The fire suppression alarm system has two horns. One horn is mounted in the engine room and the other in

AMS 1. The horns are powered by the emergency generator battery charger circuit via pressure switch PS-1A

(figure 10, item 2). As seen in figure 10, the use of two separate power sources provides greater assurance that

personnel in the hold level will be warned if the FM-200 fire suppression system is activated.

Emergency Lighting

Emergency Generator

PANEL 1

Battery/Charger

(Less/Recreation Space)

Equipment Shutdowns

115 Vac

Engine Room Supply Fans 1 & 2

Engine Room Exhaust Fans 1 & 2

24 Vdc

SSDG 1 & 2

Bow Thruster Engine

Firefighting Pump Drive Engine

AMS 1 Supply Fan

Fuel Oil Transfer Pumps 1 & 2

PS1

PS1a

AMS 2

ENGINE ROOM

AMS 1

Pressure Switch

Amber Strobe

Bell

Electric Horn

Relay Panel Box

Figure 10. Fire Suppression Alarm System Schematic

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