5.4 System Power-O
Prerequisites
The FusionDC1000 is powered on, commissioned, and working properly.
Preparations
Tools: none
Documents: power supply and distribution drawings and parameters
Skill requirement: power distribution engineer
Procedure
Step 1 Power
o the FusionDC1000.
● Save parameters before power-o.
● Power o the devices in the normal power-o logic sequence.
● During the power-o process, there is no re or other exceptions, but the
extinguishant control panel displays a power failure alarm. Ignore the alarm.
● After
power-o, all circuit breakers should be OFF.
1. Shut down the loads connected to the rPDU.
2. Shut down the ECC800-Pro.
3. Shut down smart cooling products.
After the load temperature becomes normal, power o the smart cooling
products.
4. Switch o the circuit breakers from the end to start of the power supply and
distribution system to power
o devices. For details, see the power supply and
distribution system diagram.
5. Switch
o the external input power circuit breaker for the FusionDC1000.
----End
FusionDC1000A Prefabricated All-in-One Data
Center
Commissioning Guide (IT Scenario) 5 System Commissioning
Issue 02 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd. 78
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