Each Smart PCS must be equipped with an AC output switch. If this requirement
cannot be met, a maximum of two Smart PCSs can be connected to one AC
output switch.
● The cable outer diameter can be measured using the ruler sticker in the
maintenance compartment.
● If a cable has a jacket, ensure that the jacket is in the maintenance
compartment.
● Ensure that the AC power cables are connected securely. Otherwise, the Smart
PCS may fail to operate, or be overheated in operation due to unreliable
connection, which will damage the terminal block.
● When installing cables, ensure that the cables do not contact the screws in the
maintenance compartment.
● Do not pull the cables horizontally after they have been secured, as this may
damage the wiring terminals.
● The AC power cables to all Smart PCSs in an array shall be connected in the
sequence of L1, L2, and L3. The phase sequence shall be consistent with that of
the transformer station.
Step 1 Prepare cables by referring to the section Crimping an OT or DT Terminal.
Step 2 Open the AC maintenance compartment door. Remove the accessories from the
DC maintenance compartment and store them properly for future use.
● Do not open the panel of the Smart PCS.
● Before opening a maintenance compartment door of the Smart PCS, turn o
the external switches on the AC and DC sides.
● Do not open the maintenance compartment door on rainy or snowy days. If
you need to, take protective measures to prevent rain or snow from entering
the maintenance compartment. If protective measures are unavailable, do not
open the maintenance compartment door on rainy or snowy days.
● Do not leave unused screws in the maintenance compartment.
LUNA2000-213KTL-H0 Smart Power Control System
User Manual 5 Cable Installation
Issue 04 (2024-12-30) Copyright © Huawei Technologies Co., Ltd. 54
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