After approx. 180 seconds:
 -
the left pack flow indicator moves to the LO indication area (between the LO and the 11 o'clock position).
After approx. 10 seconds:
 -
the left pack flow indicator moves to the NORM position (between the 11 o'clock and the 1 o'clock position).
After approx. 35 seconds:
 -
the right pack flow indicator moves to the NORM position (between the 11 o'clock and the 1 o'clock position).
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R  **ON A/C 401-499,  
R  Subtask 21-51-00-710-051-D  
R  A. Operational Test of the Flow Control and Indicating System  
R  ------------------------------------------------------------------------------- 
R  ACTION  RESULT  
R  ------------------------------------------------------------------------------- 
R  NOTE : The approximate times given in this test can be very different as____  
R  they are dependant upon:  
R  - the ambient air temperature and altitude above sea level,  
R  - the type and overall condition of the APU installed in the  
R  aircraft and,  
R  - the overall condition of the environmental control system.  
R  1. On the panel 30VU:  The OFF legend in the PACK 2 pushbutton  
R  - push the PACK 2 pushbutton  switch comes on.  
R  switch to the off position.  
R  FOR 8HB  
R  On the ECAM lower display unit:  
R  - the right pack flow control valve  
R  shows GREEN and closed.  
R  - the left pack flow indicator is in  
R  the LO indication area (between the  
R  LO and the 11 o'clock position).  
R  - after approx. 20 seconds it moves to  
R  the HI indication area (between the 1  
R  o'clock and the HI position).  
R  2. On the panel 30VU:  On the panel 30VU:  
R  - push the PACK 2 pushbutton  - the OFF legend in the PACK 2  
R  switch to the on position.  pushbutton switch goes off.  
R  On the ECAM lower display unit:  
R  - the right flow control valve symbol  
R  shows GREEN and open.  
R  - the left pack flow indicator moves to  
R  the LO indication area (between the  
R  LO and the 11 o'clock position).  
R  After approx. 180 seconds: 
R 1EFF : 401-499, 1 21-51-00Page 512 1 1 Aug 01/05 1 1 1CES 1
 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
R  - the right pack flow indicator moves  
R  to the LO indication area (between  
R  the LO and the 11 o'clock position).  
R  After approx. 20 seconds:  
R  - the right pack flow indicator moves  
R  to the NORM position (between the 11  
R  o'clock and the 1 o'clock position).  
R  After approx. 35 seconds:  
R  - the left pack flow indicator moves to  
R  the NORM position (between the 11  
R  o'clock and the 1 o'clock position).  
R  3. On the panel 30VU:  The OFF legend in the PACK 1 pushbutton  
R  - push the PACK 1 pushbutton  switch comes on.  
R  switch to the off position.  
R  FOR 11HB  
R  On the ECAM lower display unit:  
R  - the left pack flow control valve  
R  shows GREEN and closed.  
R  - the right pack flow indicator is in  
R  the LO indication area (between the  
R  LO and the 11 o'clock position).  
R  - after approx. 10 seconds it moves to  
R  the HI indication area (between the 1  
R  o'clock and the HI position).  
R  4. On the panel 30VU:  On the panel 30VU:  
R  - push the PACK 1 pushbutton  - the OFF legend in the PACK 1  
R  switch to the on position.  pushbutton switch goes off.  
R  On the ECAM lower display unit:  
R  - the left flow control valve symbol  
R  shows GREEN and open.  
R  - the right pack flow indicator moves  
R  to the LO indication area (between  
R  the LO and the 11 o'clock position).  
R  After approx. 180 seconds:  
R  - the left pack flow indicator moves to  
 
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