Replacing The External Circulation Fan Of The Heat Exchanger - Huawei Telecom Power TP48120A-HD15A1 User Manual

TP48120A-HD15A1, TP48120A-HD15A2,
TP48200A-HD15A1, and TP48200A-HD15A2 Telecom
Power
User Manual
Step 6 Connect the fan interconnection terminal based on the recorded information.
Step 7 Connect the -48 V fan power cable to the SMU06C.
Step 8 Insert the SMU06C, and tighten the screws.
Step 9 Connect the signal cable to the SMU06C based on the recorded information.
Step 10 Disconnect the ground cable from the ESD wrist strap, and take off the ESD wrist strap and
ESD gloves.
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4.4.8 Replacing the External Circulation Fan of the Heat
Exchanger
Prerequisites


Install the fan according to airflow directions. Do not install the fan reversely.
Context
You need only to disconnect the fan power cable, instead of the AC input power cable.
Procedure
Step 1 Connect the ground cable for the ESD wrist strap, and put on the ESD wrist strap and ESD
gloves.
Step 2 Disconnect the -48 V fan power cable from the SMU06C, as shown in
Issue 03 (2020-01-04)
You have obtained an ESD wrist strap, a pair of ESD gloves, an ESD box or bag, the
cabinet door key, and a tool kit.
The new fan is intact.
Copyright © Huawei Technologies Co., Ltd.
4 Maintenance
Figure 4-16.
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