3. Job Set-up
__________
Subtask 24-28-00-860-050
A. Safety Precautions
(1)
Do not energize the aircraft electrical circuits.
(2)
On the panel 35VU, make sure that:
-
the BAT1 and BAT2 pushbutton switches are released,
-
the BUS TIE and AC ESS FEED pushbutton switches are pushed. NOTE : On the panel 2000VU, put the MAINT BUS switch (5XX) in the OFF
____
position during the test.
Subtask 24-28-00-010-050
B. Get access to the Avionics Compartment
(1) Put an access platform at the access doors 812 and 822 of the avionics compartment.
(2) Open the access doors 812 and 822.
Subtask 24-28-00-865-050
C. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
105VU ELEC/HOT BUS/702PP SPLY 5PB2 D02
105VU ELEC/HOT BUS/701PP SPLY 5PB1 D01 R 105VU ELEC/BAT REF/BCL2 9PB2 F02 R 105VU ELEC/BAT REF/BCL1 9PB1 F01
105VU ELEC/STAT INV/CNTOR/CTL 14XB G02 105VU ELEC/STAT INV/BUS 901XP/SPLY 12XB H02 R 106VU AC ESS BUS/EMER/STBY/CNTOR/SPLY 10XE C06
4. Procedure
_________
WARNING : TELL ALL THE PERSONS ON THE AIRCRAFT THAT:
_______
-THE LIGHTS WILL GO OFF DURING THIS TEST
-THEY MUST NOT MOVE ON THE AIRCRAFT UNTIL THIS TEST IS COMPLETED. IF NOT INJURY AND/OR DAMAGE CAN OCCUR WHEN THE LIGHTS GO OFF SUDDENLY.
Subtask 24-28-00-710-050
A. Operational Test of the Static Inverter
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the panel 35VU:
-make sure that the voltage of the batteries 1 and 2 is higher than 25.5V.
2. Power supply the aircraft electrical circuits:
-energize the aircraft electrical circuits from the external power (Ref. TASK 24-41-00-861-002),
3.
Do the EIS start procedure (Upper ECAM DU and lower ECAM DU only) (Ref. TASK 31-60-00-860-001).
4.
On the ECAM control panel:
-get the ELEC page.
5.
On the panel 35VU:
-release the BAT1 pushbutton switch.
-push the BAT1 pushbutton
switch.
-release the BAT2 pushbutton switch.
-push the BAT2 pushbutton
switch.
On the lower ECAM display unit:
-make sure that the external power energizes correctly the aircraft electrical circuits.
On the panel 35VU:
-
the OFF legend of the BAT1 pushbuttonswitch comes on.
-
the OFF legend of the BAT1 pushbuttonswitch goes off.
-
the OFF legend of the BAT2 pushbuttonswitch comes on.
-
the OFF legend of the BAT2 pushbuttonswitch goes off.
On the lower ECAM display unit:
-make sure that the battery charge current (for BAT1 and BAT2) is lower than 60A after approximately 10 seconds.
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
6. On the panel 35VU:
-release the BAT1 and BAT2
pushbutton switches.
7. On the panel 21VU, in the section EMER ELEC PWR: - open the guard, push and hold
the EMERG GEN TEST pushbutton switch during all the test,
-after 5 seconds, on the panel 35VU, release the BUS TIE pushbutton switch.
8. On the ECAM control panel:
-push and hold the ELEC key, the ELEC page comes into view and stays on during the test.
9. On the panel 35VU:
-push the BUS TIE pushbutton switch.
10. On the panel 21VU:
-release the EMER GEN TEST pushbutton switch.
11. On the ECAM control panel:
-get the ELEC page.
On the panel 35VU:
-
the OFF legend of the BAT1 and BAT2pushbutton switches comes on.
On the panel 35VU:
-
the OFF legend of the BUS TIEpushbutton switch comes on.
On the upper ECAM display unit:
-
the DC ESS and AC ESS indicationscome on green,
-
the amber SHED indication comes on under the DC ESS and AC ESS indications,
-
the STAT INV indication comes on white and the related parameters come on green.
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