(1)
System Test
The system test monitors the subsequent functions:
-
The aircraft AC power supply
-
The aircraft DC power supply
-A short circuit on each output
-An overvoltage on each output
-
The output voltage of the battery pack
-
The battery heating device
-
The proper function of the EPSU logic and switching circuits
-If the connected loads are in the pre-determined values The system test has a limit of 20 seconds to prevent discharge of the battery pack.
(2)
Battery Capacity Test
The battery capacity test monitors:
-
If the capacity of each EPSU battery is sufficient enough to supply its emergency lights for at least 10 minutes
-
If the loss of the capacity of each battery, between two
consecutive battery capacity tests, is smaller than 0.40 Ah It can take up to three hours to complete the battery capacity test.
CABIN EMERGENCY LIGHTING - DESCRIPTION AND OPERATION
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1. General
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
A. The cabin emergency-lighting system supplies power for:
-
the illumination of the cabin and the exit areas in the event of a failure of the main lighting system,
-
the illumination of an exit location and an exit marking sign at each of the passenger/crew doors and at each of the emergency exit hatches,
-
the illumination of the marking system of the emergency escape path,
-
the illumination of the lavatories independent of the main lighting system of the lavatories.
-
the illumination of the escape route over the wings,
-
the illumination of the door escape-slides and the emergency-exit escape-slides,
-the illumination of the emergency-escape hatch-handles.
**ON A/C 301-399,
A. The cabin emergency-lighting system supplies power for:
-
the illumination of the cabin and the exit areas in the event of a failure of the main lighting system,
-
the illumination of an exit location and an exit marking sign at each of the passenger/crew doors and at each of the emergency exit doors,
-
the illumination of the marking system of the emergency escape path,
-
the illumination of the lavatories independent of the main lighting system of the lavatories,
-
the illumination of the door escape slides.
**ON A/C ALL
2. Component Location
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R **ON A/C 001-049, 101-105,
(Ref. Fig. 001, 002, 003)
-------------------------------------------------------------------------------FIN | FUNCTIONAL DESIGNATION | PANEL|ZONE|ACCESS | ATA | | | | DOOR | REF.
-------------------------------------------------------------------------------10WL POWER SUPPLY UNIT-EMERGENCY 221BC 221 831 33-51-38 11WL POWER SUPPLY UNIT-EMERGENCY 241KW 241 831 33-51-38 12WL POWER SUPPLY UNIT-EMERGENCY 242KW 242 831 33-51-38 13WL POWER SUPPLY UNIT-EMERGENCY 33WR 260 832 33-51-38 110WL1 POWER SUPPLY UNIT 221BC 221 831 33-51-39 110WL2 POWER SUPPLY UNIT 241AW 241 831 33-51-39 110WL3 POWER SUPPLY UNIT 262KW 262 842 33-51-39 20WL LIGHT-EMERGENCY, CABIN 222 841 33-51-11 21WL LIGHT-EMERGENCY, CABIN 221 831 33-51-11 32WL LIGHT-EMERGENCY, CABIN 262 842 33-51-11 33WL LIGHT-EMERGENCY, CABIN 261 832 33-51-11 200WL LIGHT-EMERGENCY, CABIN 231 831 33-51-11 201WL LIGHT-EMERGENCY, CABIN 231 831 33-51-11 202WL LIGHT-EMERGENCY, CABIN 241 831 33-51-11 203WL LIGHT-EMERGENCY, CABIN 241 831 33-51-11 204WL LIGHT-EMERGENCY, CABIN 241 832 33-51-11 205WL LIGHT-EMERGENCY, CABIN 251 832 33-51-11 206WL LIGHT-EMERGENCY, CABIN 251 832 33-51-11 207WL LIGHT-EMERGENCY, CABIN 251 832 33-51-11 40WL SIGN-EXIT MARKING 222 841 33-51-16 41WL SIGN-EXIT MARKING 221 831 33-51-16 42WL SIGN-EXIT MARKING 242 841 33-51-16 43WL SIGN-EXIT MARKING 241 831 33-51-16 44WL SIGN-EXIT MARKING 262 842 33-51-16 45WL SIGN-EXIT MARKING 261 832 33-51-16 50WL SIGN-EXIT LOCATION, 1 SIDED 221 831 33-51-17 51WL SIGN-EXIT LOCATION, 1 SIDED 241 831 33-51-17 52WL SIGN-EXIT LOCATION, 1 SIDED 261 832 33-51-17 53WL SIGN-EXIT LOCATION, 1 SIDED 241 831 33-51-17 60WL LIGHT-EMERGENCY, OVERWING 242 831 33-51-15 61WL LIGHT-EMERGENCY, OVERWING 241 831 33-51-15 62WL LIGHT-EMERGENCY, OVERWING 242 831 33-51-15 63WL LIGHT-EMERGENCY, OVERWING 241 831 33-51-15
Cabin Emergency Lighting - Component Location
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