Online Access Free Huawei.H12-425-ENU.v2021-09-30.q157 Practice Test (Page 27)

The following air conditioning systems need to be equipped with a cooling tower or dry cooler ().

A.DX air-cooled type

B.DX water-cooled type

C.Direct ventilation air conditioning system

D.CW air-cooled type

If the customer load cannot be power-off, what should be taken care when closing the maintenance bypass switch?

A.The maintenance bypass switch can also be closed in the inverter power supply mode

B.Turn off the inverter, let the UPS be in bypass power supply mode and then close the maintenance bypass switch

C.Close the maintenance switch first and then execute the EP

D.First perform EPO then close maintenance switch

UPS2000-G-(6-20kVA) battery discharge time is significantly lower than the standard time may be caused by what? (Multiple choice)

A.Battery capacity reduction

B.The battery is not full

C.No mains input

D.Increased load

Power segment function is enabled on UPS2000-G-20kVA. Which will cause the loads connected with PL terminals power- off?

A.Overload

B.Mains Under voltage

C.Battery under voltage

D.Mains input interruption

Historical data can be exported from the ECC800.

A.TRUE

B.FALSE

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