Huawei PowerCube 5000 User Manual page 134

PowerCube 5000
User Manual (SmartLi 100Ah)
Step 2 Disconnect the power supply.


An AC SPD and its modules can be replaced only when the AC power is off. Otherwise,
personal injury will be caused.
Step 3 Replace the AC SPD.
If...
A module in the AC SPD is damaged.
Both the modules and base of the AC
SPD are damaged.
1.
2.
Issue 02 (2020-03-17)
To replace the AC input SPD: Disconnect the external AC power supply and switch the
SPD circuit breaker to OFF.
To replace the AC output SPD: Turn off the AC output switch of the primary loop and
switch the SPD circuit breaker to OFF.
Replace a module in the AC SPD, as shown in the following figure.
a. Hold the faulty module by hand and pull it out.
b. Install a new module in the AC SPD.
Figure 9-1 Replacing a surge protection module
Replace the AC SPD.
a. Disconnect cables from the faulty AC SPD. Insulate each cable and label it
immediately after disconnecting it.
b. Push the contact plate on the top of the AC SPD upwards using a flat-head
screwdriver and remove the SPD, as shown in the following figure.
Copyright © Huawei Technologies Co., Ltd.
Then...
Perform Step 3.1.
Perform Step 3.2.
9 Parts Replacement
126