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24-00-00-005
ELECTRICAL POWER - AIRPLANE - COMPONENT LOCATIONS
ELECTRICAL POWER - AIRPLANE - COMPONENT LOCATIONS
EFFECTIVITY
GUN 001-012, 016-099, 101-110, 115 24-00-00
Page 17
D633A101-GUN Jun 10/2006
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
24-00-00-005
ELECTRICAL POWER - AIRPLANE - COMPONENT LOCATIONS
ELECTRICAL POWER - AIRPLANE - COMPONENT LOCATIONS
EFFECTIVITY
GUN 013-015, 111-114, 201-999 24-00-00
Page 18
D633A101-GUN Jun 10/2006
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
24-00-00-005
General
You use the electrical meters, battery and galley power module
(P5-13) for these functions:
* See electrical power parameters for AC and DC components
or buses
* Connect battery power to electrical buses with the battery
switch
The module also has these BITE functions:
* Supplies DC and standby power system failure indication
* Monitors the dc and standby power and saves fault
messages in memory.
* Shows fault messages on the LED alphanumeric display.
Airplanes with the GALLEY Switch
You use the GALLEY switch to supply and remove power to:
* The galleys.
Airplanes with the CAB/UTIL and the IFE/PASS SEATS switches
You use the CAB/UTIL switch to supply and remove power to:
* Left/Right Cabin Recirculation Fan
* Fwd/Aft Door Area Heaters
* Drain Mast Heaters
* Lavatory Water Heaters
* ECS Gasper Fans
* All 115 VAC Galley Buses
* 115 VAC Shaver Outlets
* Logo Lights
* Potable Water Compressor
You use the IFE/PASS SEAT switch to supply and remove
power to:
* 115 VAC Audio Entertainment
* 115 VAC Video Entertainment
* 28 VDC Video Entertainment
* Airphone Equipment
* Passenger Seat Electronic Outlets
AC Meter Selector
The AC meter selector is a rotary selector with seven positions.
Each position, except the TEST position, is related to an AC
power source or AC bus. The alphanumeric display shows
these parameters for the three generators:
* Voltage (AC VOLTS)
* Load (AC AMPS)
* Output frequency (CPS FREQ).
The alphanumeric display shows only voltage and frequency
when you select one of these:
* STBY PWR
* GRD PWR
* INV.
ELECTRICAL POWER - ELECTRICAL METERS, BATTERY, AND GALLEY POWER MODULE - GENERAL DESCRIPTION
EFFECTIVITY
GUN ALL 24-00-00
Page 19
D633A101-GUN Oct 10/2005
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
24-00-00-008
The selector must be in the TEST position to use the P5-13 BITE.
DC Meter Selector
The DC meter selector is a rotary selector with seven positions.
Each position, except the TEST position, is related to a DC
power source or DC bus.
GUN 001-012, 016-099, 101-110, 115
Voltage (DC VOLTS) and load (DC AMPS) show on the
alphanumeric display when you put the selector in any of the
TR positions or the BAT position.
GUN 013-015, 111-114, 201-999
Voltage (DC VOLTS) and load (DC AMPS) show on the
alphanumeric display when you put the selector in any of the
TR positions or any of the BAT positions.
GUN ALL
Only voltage shows when you put the selector to the BAT BUS
or STBY PWR positions.
The selector must be in the TEST position to use the P5-13 BITE.
BAT DISCHARGE Light
GUN 001-012, 016-099, 101-110, 115
The amber BAT DISCHARGE light gives indication of battery
discharge. The BAT DISCHARGE light temporarily comes on
during an APU start with battery power.
GUN 013-015, 111-114, 201-999
The amber BAT DISCHARGE light gives indication of main
battery discharge or auxiliary battery discharge. The BAT
DISCHARGE light temporarily comes on during an APU start
with battery power.
GUN ALL
See the APU chapter for more information on APU starting.
(CHAPTER 49)
TR UNIT Light
The amber TR UNIT light gives indication of transformer
rectifier unit (TRU) failure. The TR UNIT light comes on for any
one of these reasons:
* Any TRU fails on the ground, or
* TRU 1 fails in flight, or
* TRU 2 and TRU 3 fail in flight.
ELECTRICAL POWER - ELECTRICAL METERS, BATTERY, AND GALLEY POWER MODULE - GENERAL DESCRIPTION
EFFECTIVITY
GUN ALL 24-00-00
Page 20
D633A101-GUN Jun 10/2006
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
　
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