Replacing The Internal Fan Of The Heat Exchanger - Huawei Telecom Power TP48200A-HX09A3 User Manual

TP48200A-HX09A3, TP48200A-HX09A4,
TBC300A-DCA3, TBC300A-DCA5 and
TBC300A-TCA2 Telecom Power
User Manual
Follow-up Procedure
Check that the load fuse blown alarm has disappeared.

4.4.6 Replacing the Internal Fan of the Heat Exchanger

Prerequisites


Install the fan according to the airflow directions. Avoid installing the fan in reverse.
Context
You only need to disconnect the power cable for the fan, but do not need to disconnect the AC
input.
Procedure
Step 1 Disconnect the –48V power cable from the UIM02C.
1.
2.
3.
4.
Step 2 Disconnect the wiring terminal for the fan.
Step 3 Unscrew the top baffle and remove the baffle, as shown in Figure 4-11.
Issue 04 (2019-11-15)
You have obtained an ESD wrist strap, a pair of ESD gloves, an ESD box or bag, the
cabinet door key, and the maintenance tool box.
The new fan is intact.
Connect the ground cable to the ESD wrist strap and wear the ESD wrist strap and ESD
gloves.
Record the position where the UIM02C panel connects to the signal cable, and then
disconnect the signal cable.
Unscrew the UIM02C panel and take out the UIM02C, as shown in Figure 4-5.
Remove the –48V power cable from the UIM02C, as shown in Figure 4-6.
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