The input line voltage of UPS5000-E supports ().

A. 220V

B. 380V

C. 400V

D. 415V

ECC800 supports two AC power inputs.

A. TRUE

B. FALSE

NetEco allows users to select alarm tones for different severities of alarms.

A. TRUE

B. FALSE

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 ().

A. charging

B. self-discharge

C. balanced charging

D. charging test

Depending on different layouts, the batteries can be deployed inside or outside FusionModule2000.

A. TRUE

B. FALSE

NetEco can mail reports to customers.

A. TRUE

B. FALSE

When UPS are connected in parallel, it is not necessary to check phase sequence.

A. TRUE

B. FALSE

When load rate is low and stable, partial power modules of UPS could enter into hibernation, the remaining power modules undertake the larger loads, which improves system efficiency.

A. TRUE

B. FALSE

When turning on the maintenance bypass switch of UPS5000-E, to make sure loads continue to be powered, which should be noted?

A. If the UPS works in normal mode you can turn on the maintenance bypass switch

B. Shutdown the inverter, switch the UPS to bypass mode and turn on the maintenance bypass switch

C. Perform EPO and turn on the maintenance bypass switch

D. If the UPS works in ECO mode, you can turn on the maintenance bypass switch

If there are many bubbles in the sight glass of NetCol5000-A, it indicates that the system lacks refrigerant.

A. TRUE

B. FALSE