S 864-012
(2)
Set the menu to SHOP FAULTS from the CMC main menu
(AMM 45-10-00/201).
S 754-014
(3)
Record the shop faults for the zone temperature controller:
(a)
Set the menu to 21 AIR CONDITIONING from the shop faults menu.
(b)
Set the menu to ZONE TEMP CONTROL.
(c)
Record the shop faults which show on the CMC.
D. Remove the Controller
S 864-002
(1) Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a) P6, Main Power Distribution Panel
1) 6F28 ZONE TEMP CONT AC
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MAINTENANCE MANUAL
Zone Temperature Controller Installation
Figure 401
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2) 6F29 ZONE TEMP CONT DC
S 024-003
(2) Remove the zone temperature controller (Ref 20-11-28/401).
TASK 21-61-01-404-004
3. Zone Temperature Controller Installation (Fig. 401)________________________________________
A. References
(1)
20-11-28/401, Rack-Mounted Electrical/Electronic Module
(2)
24-22-00/201, Manual Control
(3)
IPC 21-61-01
(4)
WDM 21-63-31
(5)
SSM 21-63-01
B. Access
(1) Location Zone
118 Electrical/Electronics Compartment, RH
C. Procedure
S 424-005
(1)
Install the zone temperature controller (Ref 20-11-28/401).
S 864-006
(2)
Remove the DO-NOT-CLOSE tags and close these circuit breakers:
(a) P6, Main Power Distribution Panel
1) 6F28, ZONE TEMP CONT AC
2) 6F29, ZONE TEMP CONT DC
(3)
Supply electrical Power (Ref 24-22-00/201).
S 864-013
(4)
Make sure the TRIM AIR switch on the P5 overhead panel is in the OFF position.
S 864-007
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(5) S 864-008Push the ZONE RESET switch on the P5 overhead panel.
(6) S 744-009Do a Trim System ground test on one of the CMC CDU's: (a) On the CMC CDU set the menu to GROUND TEST. (b) Set the menu to 21 AIR CONDITIONING. (c) Set the menu to TRIM SYSTEM. (d) Make sure that IN PROGRESS shows on the CMC CDU. (e) Make sure that PASS shows adjacent to TRIM SYSTEM on the CMC CDU.
(7) S 864-010Remove the electrical power if it is not necessary (Ref 24-22-00/201).
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MAINTENANCE MANUAL
ZONE TEMPERATURE SENSOR ASSEMBLY - REMOVAL/INSTALLATION
_______________________________________________________
1. General
_______
A. There are seven zone temperature sensor assemblies installed on the ceiling in the main and upper deck areas of the airplane as follows:
(1)
Two in the forward and two in the aft main deck cargo compartment.
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