Huawei SmartLi 2.0 User Manual page 153

SmartLi 2.0
User Manual
Procedure
Step 1 Check the new fire extinguisher cylinder.
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Step 2 Open the front door of the SmartLi cabinet and switch off the battery circuit
breaker. Press and hold the POWER ON/OFF button on the BCU for more than 5s
to power off the cabinet.
Step 3 Remove the fire extinguisher cylinder based on the cabinet installation mode.
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Step 4 Turn off the ready switch on the BCU, remove the bolts that secure the BCU, and
pull it out for about 10 cm.
Figure 9-6 Pulling out the BCU
Step 5 Remove the battery modules, copper bars, and cables from the lower four layers.
After removing a battery power cable, install a safety cap on the wiring terminal
to prevent the exposed terminal from touching the shell, which may cause sparks
or burns.
Issue 09 (2022-01-30)
NO TICE
Before the replacement, ensure that the load services are not affected or
obtain written consent from the customer.
Check that the valve is closed (vertical to the cylinder).
Check that the reading of the pressure gauge on the fire extinguisher cylinder
is greater than 1.1 MPa.
If the cabinet is installed against a wall, remove the fire extinguisher cylinder
from the front of the SmartLi cabinet by performing steps 4–17.
If the cabinet is not installed against a wall, remove the rear cover from the
SmartLi cabinet and remove the fire extinguisher cylinder from the rear of the
SmartLi cabinet by performing steps 7–13 and 16–17.
WARNING
Copyright © Huawei Technologies Co., Ltd.
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