TM 55-1930-209-14&P-9-1
Figure 3-5. Battery Bank
3-13 . Emergency operating procedures. When normal power fails, 120 Vac power being supplied through circuit breaker
1 OP13 to the inverter is cut off. The inverter draws power from the battery bank, converts it o 120 Vac, and supplies it to
the emergency power panel.
a.
Check circuit breakers 10P13A-1 thru 10P13A6 on 120 V emergency lighting panel on ROWPU space
forward bulkhead. Open (OFF) any of them not required for emergency lighting. These circuit breakers
normally remain closed so that emergency lights are activated immediately when normal lighting is cut off.
Make sure that 10P13A-7 and A8 for telephone system buzzers and VHF marine radio are closed (ON).
b.
While operating on emergency power, turn off any unnecessary power usage.
NOTE
Workshop Items drawing power from 24 Vdc panel are not Immediately affected by changing
from normal to emergency power. If not turned off, however, they will deplete the limited
supply of electrical power available from the battery bank.
c.
While operating on emergency power, check system to make sure It Is operating property. Inverter may
become warm to touch with the open hand but should not become hot.
3-10
