W DOC AIRBUS | AMM A320F

Installation of the Air-Conditioning System Controller

TASK 21-61-34-400-002-A
Installation 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)
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
121
AVIONICS COMPARTMENT
122
AVIONICS COMPARTMENT
811
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 21-61-00-710-001-A
Operational Test of the Pack Temperature-Control System
TASK 24-42-00-861-001-A
Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A
De-energize the Ground Service Network Supplied from the External Power
F Air-Conditioning System Controller
3. Job Set-up
Subtask 21-61-34-860-051-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
   (1) Make sure that the ground service network is energized
(Ref. AMM TASK 24-42-00-861-001).
Subtask 21-61-34-865-054-A ** ON A/C NOT FOR ALL
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
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 21-61-34-010-053-A ** ON A/C NOT FOR ALL
C. Get Access
   (1) Make sure that the ACCESS PLATFORM 1M(3 FT) is in position at the access door 811.
   (2) Make sure that the access door 811 is open.
4. Procedure
Subtask 21-61-34-420-051-A ** ON A/C NOT FOR ALL
A. Installation of the Air-Conditioning System Controller (ACSC)
F Air-Conditioning System Controller ** ON A/C NOT FOR ALL
   (1) Clean the component interface and/or the adjacent area.
   (2) Do an inspection of the component interfaces and the adjacent area.
   (3) Remove the CAP-BLANKING from each electrical connector and receptacle.
   (4) Make sure that all the electrical connections are clean and in the correct condition.
   (5) Install the ACSC (1) in its rack (3).
   (6) Push the ACSC (1) on its rack (3) to connect the electrical connectors.
   (7) Engage the nuts (4) on the lugs (5) and tighten.
Subtask 21-61-34-865-055-A ** ON A/C NOT FOR ALL
B. Remove the safety clip(s) and the tag(s) and close 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 21-61-34-710-051-A ** ON A/C NOT FOR ALL
C. Do an operational test of the pack temperature control (Ref. AMM TASK 21-61-00-710-001).
5. Close-up
Subtask 21-61-34-410-051-A ** ON A/C NOT FOR ALL
A. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Close the access door 811.
   (3) Remove the access platform(s).
Subtask 21-61-34-862-051-A ** ON A/C NOT FOR ALL
B. De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).
[Rev.10 from 2021] 2026.04.02 06:46:03 UTC
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