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The small editor all the standard specification has not made clearly defined. However, Xiaobian's State Council Order No. 512 of the People's Republic of China, the Implementation Regulations on the Implementation of the Enterprise Income Tax Law of the People's Republic of China, requiring the corresponding depreciation regulations, requiring the following:
Article 60 In addition to the financial and tax authorities of the State Council, the minimum period of depreciation of fixed assets is as follows:
(1) Houses, buildings for 20 years;
(2) aircraft, train, ship, machine, machinery and other production equipment, for 10 years;
(3) Equipment, tools, furniture, etc. related to production and operation activities, for 5 years;
(4) Transportation tools outside the aircraft, train, and ships for 4 years;
(5) Electronic equipment for 3 years.
Note: Large central air conditioning equipment here refers to a central air conditioning apparatus for air conditioning compressors as "piston type, screw type, centrifugal" and lithium bromide.
According to the above requirements, " central air conditioning" can be independently defined as a depreciation period of fixed assets, but "depreciation year" is not "useful life".
So the problem is coming!
1. What are the problems and safety hazards for the domestic air conditioner for 12 years?
1) Install life
According to the "Room Air Regulator Installer", the installation unit should be responsible for the installation quality in three years, which is as follows:
The installation life of the air conditioner should not be less than the product's life. Within one year after the air conditioner is installed, it should not be due to the normal operation and use performance of the air conditioner; within three years after installation, it should not be due to the safe operation of the air conditioner and a major safety incident. After the air conditioner is installed, the user should conduct inspections and necessary maintenance according to the usage and regularly report to the relevant department to ensure that the air conditioner is normal, safe and reliable.
2) Safety hidden dangers - users who live in two floors have specially needed attention!
It is understood that the national mandatory standard GB17790-1999 "Room Air Regulator Installation Specification" has made a regulation and requirement for the load-bearing, anti-rust, rust and installation of air conditioning brackets, but the problem of the use of air conditioning brackets has not been clearly stated . The safety usage period of the air-conditioning outdoor machine holder is generally around 6 years, and the specific situation is also affected by the factors of the bracket installation, environment, material. After the consumer's air-conditioning outdoor unit, after using a certain period of time, it should be visually visually inspected or required to designate the maintenance unit for maintenance units, etc., exclude air conditioning external machine bracket safety hazards, and avoid safety incidents.
2. Large central air conditioning operation year problem
In a general bidding activity, central air-conditioning manufacturers will promise the tendering unit to warrant the whole machine and compressor warranty time. The services provided by the manufacturers today are different, indicating the confidence of their own product quality. We will first promise time from the compressor, the current is about 80,000 hours, then single-day 24-hour operation is calculated, about 9.1 years, if it is calculated as 18 years in 12 hours. If the property unit is carefully maintained for central air-conditioning equipment, there are still many examples of central air-conditioning equipment in 20 years. Of course, the central air-conditioning component equipment is also corroded and dirty, which affects the cooling effect, and therefore, general central air conditioning equipment can relatively ensure that their benign operation is about 12-15 years.
3. Is there any rule for the use of air conditioning compressors?
At present, there have been clear requirements for the use of air conditioning compressors at home and abroad. I think more is to encourage industrial innovation and let users get more benefits. But we check that a record is: It is based on the "full-enclosed compressor" and the boundary value "in some domestic and foreign countries. Among them, a project "start and stop" is given.
Assume that 4 times a day, it is necessary to continue to stop for 5.7 years. Therefore, in the case of normal use, the air conditioner compressor should be longer than this, at least six years.
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