Cryogenic components improve the continuous low pressure caused by low temperature start-up, thus allowing the air conditioner to start up normally.
Answer(s): A
Common communication equipment ways have RS232, RS485, FE, etc.
Protective grounding: grounding refers to the direct connection with the earth, electrical installations or electrical parts of the live part of a point connected with the earth, electrical installations or other devices are not charged part of the normal point of the earth and man-made connection.
In low-voltage power distribution systems, the role of the PE line is to provide a return path for the fault current in the event of a power system failure.
CLF (Cooling Load Factor) is defined as the data center cooling equipment power consumption and IT equipment power ratio.
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