Huawei TP48200A-HT15D3 User Manual page 65

TP48200A-HT15D3 Outdoor Power System (Russia,
Megafon)
User Manual
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 for the system.
Procedure
Step 1 Disconnect the –48 V power cable from the UIM02C.
1.
2.
3.
4.
Step 2 Disconnect the wiring terminal for the fan.
Step 3 Record the fan installation direction (see the arrow marks on the fan), remove screws, and
take off the fan guard cover and fan, as shown in
Figure 4-13 Removing the external fan
Step 4 Place the new fan based on the recorded installation direction (see the arrow marks on the fan),
place the fan guard cover, and tighten the screws, as shown in
Issue 02 (2019-02-26)
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
Remove the –48 V power cable from the UIM02C, as shown in
Copyright © Huawei Technologies Co., Ltd.
Figure
Figure 4-13.
Figure 4-14.
4 Maintenance
Figure 4-6.
4-7.
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