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 TM 55-1925-273-10-1
0036 00
POWER FLASHING
WHEN ON BATTERY
GROUND
FAULT
ALARM FLASHING
WHEN SILENCED
AUDIBLE
TROUBLE
CIRCUIT
ZONE 3
ZONE 1
TIME CYCLE
BATTERY
MAIN DECK
03 & 02 LEVEL
COMPLETE
DC VOLTS
TROUBLE
FUSE
DC AMPS
ZONE 2
ZONE 4
01 LEVEL
HOLD
Figure 2. Fire and Smoke Detection Panel
GENERAL ALARM SYSTEM
GENERAL
The general alarm system is used to alert the vessel's crew to general alarm conditions. The system is controlled from the
pilothouse and the 01 level passageway by contact makers located in the pilothouse and the 01 level passageway. When
activated, alarm bells sound in various places throughout the LT. The general alarm system is powered by a 24 Vdc power
supply via the general alarm battery bank. In the auxiliary machinery spaces and in the engine room, the system is equipped
with relays that provide 120 Vac to rotating lights during alarm conditions. A simplified block diagram of the general alarm
system is provided in figure 3.
0036 00-3
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