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 Subtask 21-26-00-861-051
 C. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
 NOTE : The energization of the aircraft electrical circuits starts a full____ test of the ventilation system. The test continues for 2 minutes approximately.
 Subtask 21-26-00-860-054
 D. Aircraft Maintenance Configuration
 (1) On the VENTILATION section of the panel 22VU: - make sure that the BLOWER and the EXTRACT pushbutton switches are in the AUTO configuration (pushed, with the FAULT and OVRD legends off).
 (2) Do the EIS start procedure (Ref. TASK 31-60-00-860-001). 
R  (3) On the ECAM control panel, push the PRESS pushbutton key.
R R R R R  (4) On the lower ECAM display unit: - the PRESS page comes into view and shows the skin air-inlet (INLET) and skin air-outlet (EXTRACT) valves in the open position (if the outside air temperature is more than or equal to 12 deg.C (53.60 deg.F). If the outside air temperature is less than 9 deg.C (48.20 deg.F), the skin air-inlet and skin air-outlet valves are closed).

 

 4. Procedure
_________ Subtask 21-26-00-710-051
 A. Operational Test of the Override Function
 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the VENTILATION section of the panel 22VU: - release the BLOWER pushbutton switch.  On the VENTILATION section of the panel22VU:- on the BLOWER pushbutton switch, theOVRD legend comes on. The blower fan stops. On the PRESS page of the lower ECAM DU: - the skin air-inlet valve (INLET) and the skin air-outlet valve (EXTRACT) close.
 NOTE : The skin-exchanger isolation____ valve and the conditioned-air
 inlet valve open.
 2. On the VENTILATION section of the panel 22VU: - push the BLOWER pushbutton switch.  On the VENTILATION section of the panel22VU:- on the BLOWER pushbutton switch, theOVRD legend goes off, - the blower fan starts.
 On the PRESS page of the lower ECAM DU: - the skin air-inlet valve (INLET) and the skin air-outlet valve (EXTRACT)
 open.
 NOTE : The skin-exchanger isolation____ valve and the conditioned-air
 inlet valve close.
 3. On the VENTILATION section of the panel 22VU: - release the EXTRACT pushbutton switch.  On the VENTILATION section of the panel22VU:- on the EXTRACT pushbutton switch, theOVRD legend comes on.
 NOTE : -The extract fan continues to____
 operate after OVRD, selection.

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 -------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------
4. On the VENTILATION section of the panel 22VU:
-push the EXTRACT pushbutton switch.
5. Close-up
________
 Subtask 21-26-00-860-055 -The skin-exchanger isolation valve and the conditioned-air inlet valve open.
 On the PRESS page of the lower ECAM DU:
 -the skin air-inlet valve (INLET) and the skin air-outlet valve (EXTRACT) close.
On the VENTILATION section of the panel22VU:- on the EXTRACT pushbutton switch, the
OVRD legend goes off. On the PRESS page of the lower ECAM DU:
 -the skin air-inlet valve (INLET) and the skin air-outlet valve (EXTRACT) open.
 NOTE : The skin exchanger isolation
____ valve and the conditioned-air inlet valve close.
 A. Put the aircraft back to its initial configuration.
 (1) Do the EIS stop procedure
 (Ref. TASK 31-60-00-860-002).

 Subtask 21-26-00-862-051
 B. De-energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-862-002).

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 TASK 21-26-00-710-003
 Operational Check of Smoke Configuration Control Circuit

 1.
 Reason for the Job

__________________
 Refer to the MPD TASK: 212600-03

 2.
 Job Set-up Information

______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
 from the External Power
 31-60-00-860-001 EIS Start Procedure
 31-60-00-860-002 EIS Stop Procedure

 3. Job Set-up
__________
 Subtask 21-26-00-865-052

 A. Make sure that this(these) circuit breaker(s) is(are) closed:
　
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