Before the battery is installed, a single battery open circuit voltage is required: 12V battery is greater than or equal to 12.60V or 2V battery is greater than or equal to 2.10V. When it is found to be unqualified, the battery needs to be recharged.

• A.False
• B.True

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Which of the following options is a natural cooling system?

• A.Water-cooled cold water air conditioning system
• B.Water-cooled cold air conditioning system
• C.Direct ventilation air conditioning system
• D.Air-cooled direct expansion air conditioning system

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When four UPS2000G-20K parallel units are set and the number of redundant units in the parallel setting is set to "1", the capacity of the system is () KVA.

• A.60
• B.80
• C.100
• D.40

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The UPS2000-G-(6-20kVA) did not report a fault but the load was cut off due to a poor connection of the output cable.

• A.True
• B.False

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When the UPS5000-E shares the battery pack, the battery capacity parameter of each UPS is set to the total capacity of the entire battery pack.

• A.False
• B.True

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