Minimum Central air conditioning system electricity meters and wiring installation rules

Last updated: 22 July 2020

The air-conditioning meter group should be installed on the side of the air-conditioning system loop power supply, and should include the relevant air-conditioning system appliances; if the refrigeration host is scattered in several places, separate meters may be set up, but the individual measurements should be combined into one number.

The air-conditioning electric meter set and sub-meters should be placed where they are convenient for meter reading and sealing, and should be equipped with a seal lock; the meter box should be rust-proofed, and the words "air-conditioning electric meter" should be marked on the front.

The electricity consumption of the air-conditioning system shall be measured by the air-conditioning electric meter.

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