The BCB-BOX provides overload and short-circuit protection as well as remote trip control.
When UPS are connected in parallel, it is not necessary to check phase sequence.
When a backfeed occurs in main or bypass, the backfeed protection card can send signals to trip the input circuit breaker.
When two UPS5000-E share battery strings, the battery capacity of each UPS should be set to the total capacity of battery strings.
The report of the NetEco can be dislayed in different formats, such as bar chart.
UPS2000-G-(6-20kVA) without batteries can work in normal mode, but cannot transfer to battery mode.
The reason for using the EPO status interface in the parallel step of the UPS5000-E is ().
To compensate the capacity loss due to battery self-discharge, battery needs to do
Modular Data Center is on-demand deployment, which avoids over-investment.
The NetCol5000-C indoor fan generates a loud noise, the possible reasons ( ).
If the electrical devices need to be checked, maintained and repaired with powering on, warning notices or indication plates should be set around the electrical devices.
If a fire occurs in the FusionModule1000, the smoke detector and heat detector will send a fire alarm to the fire alarm control panel.
The power indicator of the gas fire extinguishing controller is on and the alarm indicator is off indicating that the gas fire extinguishing controller is working properly.
NetCol5000-Acompressor discharge high pressure alarm occurs, it may not that ().
To balance the capacity loss caused by the self-discharge of the battery during the use of the battery, it is necessary to charge the battery continuously and for a long time at constant voltage, which is called ().
If the input phase sequence of integrated UPS is incorrect, the UPS cannot work properly.
The access control devices in Huawei FusionModule2000 are classified into ( ).
If a fire occurs in the FusionModule1000, the gas release indicator will display “DON’T ENTER WHILE RELEASING GAS”
NetEco allows users to select alarm tones for different severities of alarms.
In NetCol5000-A compressor, if many bubbles exist in the oil sight glass, it indicates that the superheat degree is high.