Huawei SmartACU2000D Series User Manual page 77

SmartACU2000D Smart Array Controller
User Manual (with No PID Module)
Put on insulation gloves before powering off the system.
Step 1 Turn off the single-phase power switch that controls the power supply from the remote
transformer station to the SACU.
Step 2 Turn off the three-phase power switch that controls the power supply from the remote
transformer station to the SACU.
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Step 3 Turn off the QF03 single-phase input switch in the SACU.
Step 4 Turn off the three-phase input switch in the SACU.
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Issue 01 (2020-02-14)
If the SACU supports the access of one MBUS route, turn off the corresponding
three-phase power switch.
If the SACU supports the access of two MBUS routes, turn off the corresponding
three-phase power switches.
If the SACU supports the access of one MBUS route, turn off the FU01 switch.
If the SACU supports the access of two MBUS routes, turn off the FU01 and FU02
switches.
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6 System Commissioning
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