NO TICE
Before the replacement, ensure that the load services are not affected or
obtain written consent from the customer.
Procedure
Step 1 Check the new fire extinguisher cylinder.
●
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.
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.
●
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.
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.
WARNING
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.
SmartLi 2.0
User Manual
9 Parts Replacement
Issue 09 (2022-01-30)
Copyright © Huawei Technologies Co., Ltd.
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