Environmentally friendly refrigerant R410A Refrigeration performance is better than non-refrigerant R22 better.

• A.False
• B.True

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The function of Huawei's chilled water air conditioner plug-in frame power supply is to provide a stable power supply for the fans.

• A.False
• B.True

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The following are interfaces:\.

• A.RJ12
• B.DB25
• C.snmp
• D.modbus

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The refrigerant used by Huawei precision air conditioner is ____________ .

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The following Does the model of air conditioner have an oil separator?

• A.NetCol5000-C30kW
• B.NetCol5000-A35kW
• C.NetCol5000-A25kW
• D.NetCol8000-A50kW

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