W DOC AIRBUS | AMM A320F

Removal of the Air-Conditioning System Controller


TASK 21-61-34-000-002-A
Removal of the Air-Conditioning System Controller


ZONE: 121
ZONE: 122
FIN: 47HH ** ON A/C NOT FOR ALL
FIN: 57HH ** ON A/C NOT FOR ALL
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
ACCESS PLATFORM 1M(3 FT)
No specific
AR
CAP - BLANKING
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
121
AVIONICS COMPARTMENT
122
AVIONICS COMPARTMENT
811
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 24-42-00-861-001-A
Energize the Ground Service Network from the External Power
3. Job Set-up
Subtask 21-61-34-861-051-A ** ON A/C NOT FOR ALL
A. Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).
Subtask 21-61-34-865-053-A ** ON A/C NOT FOR ALL
B. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
FOR FIN: 47HH (CONTAIR COND SYSTEM 1)
49VUAIR COND/TEMP CTL/SYS 1 CHAN B/28VDC52HHD08
122VUAIR COND/TEMP CTL SYS 1/CHAN A/115VAC49HHX22
122VUAIR COND/TEMP CTL SYS 1/CHAN A/28VDC51HHX21
122VUAIR COND/TEMP CTL SYS 1/CHAN B/115VAC50HHY18
FOR FIN: 57HH (CONTAIR COND SYSTEM 2)
122VUAIR COND/TEMP CTL SYS 2/CHAN A/115VAC53HHW22
122VUAIR COND/TEMP CTL SYS 2/CHAN A/28VDC55HHW21
122VUAIR COND/TEMP CTL SYS 2/CHAN B/28VDC56HHY21
122VUAIR COND/TEMP CTL SYS 2/CHAN B/115VAC54HHY20
Subtask 21-61-34-010-052-A ** ON A/C NOT FOR ALL
C. Get Access
   (1) Put the ACCESS PLATFORM 1M(3 FT) in position at the access door 811.
   (2) Open the access door 811.
4. Procedure
Subtask 21-61-34-020-051-A ** ON A/C NOT FOR ALL
A. Removal of the Air-Conditioning System Controller (ACSC)
   (1) Loosen the nuts (4).
   (2) Lower the nuts (4).
   (3) Pull the ACSC (1) on its rack (3) to disconnect the electrical connectors (2).
   (4) Remove the ACSC (1) from its rack (3).
   (5) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
[Rev.10 from 2021] 2026.04.02 06:11:38 UTC