DC MAIN DISTRIBUTION - DESCRIPTION AND OPERATION
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1. General
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The main 28 VDC distribution network corresponds to busbars 1PP, 2PP, 3PP,
6PP and associated sub-busbars,
**ON A/C 001-049, 051-060, 101-102, 201-201,
(Ref. Fig. 001) R **ON A/C 061-099, 103-149, 151-199, 202-299, 301-399, 401-499,
(Ref. Fig. 001A)
**ON A/C ALL
2. Component Location
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**ON A/C 001-049, 051-060, 101-102, 201-201,
(Ref. Fig. 002) -------------------------------------------------------------------------------FIN | FUNCTIONAL DESIGNATION | PANEL|ZONE|ACCESS | ATA | | | | DOOR | REF. -------------------------------------------------------------------------------8PN CNTOR-DC SVCE BUS NORM SPLY 120VU 125 812 24-61-55 R **ON A/C 061-099, 103-149, 151-199, 202-299, 301-399, 401-499,
**ON A/C 061-062, 103-105, 151-152, 202-205,
(Ref. Fig. 002) R **ON A/C 063-099, 106-149, 153-199, 206-299, 301-399, 401-499,
(Ref. Fig. 002A)R **ON A/C 061-099, 103-149, 151-199, 202-299, 301-399, 401-499,
-------------------------------------------------------------------------------FIN | FUNCTIONAL DESIGNATION | PANEL|ZONE|ACCESS | ATA | | | | DOOR | REF.
-------------------------------------------------------------------------------8PN CNTOR-DC SVCE BUS NORM SPLY 120VU 125 812 24-61-55 10PN CONTACTOR 120 VU 212 831 24-61-00
**ON A/C ALL
3. Operation/Control & Indicating
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Busbars 1PP, 3PP are supplied by TR1.
Busbars 2PP, 6PP are supplied by TR2.
NOTE : In case of loss of one main TR, both main busbars are supplied by the
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remaining main TR.
Busbar 6PP is supplied in flight and/or on ground. This busbar can be
supplied, independently from the main network, by the ground power unit via
TR2 in ground service configuration (Ref. 24-43-00, P. Block 1).
In case of loss of supply, a warning is triggered on the ECAM system,
(Ref. Fig. 003)
In case of loss of main busbars, the ELEC page is automatically displayed on
the ECAM lower display unit:
(Ref. Fig. 004, 005, 006, 007)
DC Main Distribution - General
Figure 001
R 1EFF : 001-049, 051-060, 101-102, 201-201, 1 24-61-00Page 3/4 1 1 May 01/05 1 1 1CES
1
DC Main Distribution - General
Figure 001A
R 1EFF : 061-099, 103-149, 151-199, 202-299, 1 24-61-00Page 5/6 1301-399, 401-499, 1Aug 01/05 1 1 1CES
DC Main Distribution - Component Location
Figure 002
R 1EFF : 001-049, 051-062, 101-105, 151-152, 1 24-61-00Page 7 1201-205, 1May 01/05 1 1 1CES 1
DC Main Distribution - Component Location
Figure 002A
R 1EFF : 063-099, 106-149, 153-199, 206-299, 1 24-61-00Page 8 1301-399, 401-499, 1Aug 01/05 1 1 1CES 1
DC Main Distribution - ECAM Warnings Figure 003
R 1EFF : 1 1 1CES ALL 1 111 24-61-00 Page 9 May 01/00
DC BUS 1 FAULT - Upper and Lower ECAM display Unit Figure 004 (SHEET 1)
1EFF : 1 1R 1CES ALL 1 11 1 24-61-00 Page 10 Feb 01/99
DC BUS 1 FAULT - Upper and Lower ECAM display Unit Figure 004 (SHEET 2)
1EFF : 1 1R 1CES ALL 1 11 1 24-61-00 Page 11 Feb 01/99
DC BUS 2 FAULT - Upper and Lower ECAM Display Unit Figure 005 (SHEET 1)
1EFF : 1 1R 1CES ALL 1 11 1 24-61-00 Page 12 Feb 01/99
DC BUS 2 FAULT - Upper and Lower ECAM Display Unit Figure 005 (SHEET 2)
1EFF : 1 1R 1CES ALL 1 11 1 24-61-00 Page 13 Feb 01/99
DC BUS 1 and DC BUS 2 FAULT - Upper and Lower ECAM Display Unit Figure 006 (SHEET 1)
1EFF : ALL 1 24-61-00Page 14 1 1 Feb 01/99R 1 1 1CES 1
DC BUS 1 and DC BUS 2 FAULT - Upper and Lower ECAM Display Unit Figure 006 (SHEET 2)
1EFF : ALL 1 24-61-00Page 15 1 1 Feb 01/99R 1 1 1CES 1
DC BAT BUS FAULT - Upper and Lower ECAM Display Unit Figure 007 (SHEET 1)
1EFF : ALL 1 24-61-00Page 16 1 1 Feb 01/99 1 1 1CES 1
DC BAT BUS FAULT - Upper and Lower ECAM Display Unit Figure 007 (SHEET 2)
1EFF : ALL 1 24-61-00Page 17 1 1 Feb 01/99 1 1 1CES 1 CONTACTOR (8PN) - REMOVAL/INSTALLATION
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