Is Carrier Air Conditioning OK?

Overview Carrier is the largest supplier of HVAC products in the world today, and its global sales amount ranks first in the industry.

Dr. Carrier and the carrier company he founded are committed to the continuous innovation of air conditioning technology, leading the development direction of heating, air conditioning and refrigeration equipment, and playing a key role in the development of industry and the improvement of human living environment.

Brief introduction of carrier air conditioning

Kaili/KLOC-entered China in 0/9 years.

At that time, a large number of famous buildings such as China Bank, Daguangming Cinema, Shenyang-Dalian Railway and some private villas on the Bund all used Carrier air conditioning.

In the early 1980s, Carrier was the first foreign air conditioner manufacturer to invest in China, and took the lead in establishing a joint venture in China at 1987.

At present, Carrier has more than 2,500 employees and 13 enterprises in China, covering air conditioning, refrigeration and other fields.

Carrier's successful projects are all over China, including Beijing Memorial Hall, Huairentang, Great Hall of the People, Beijing Capital International Airport, Shanghai Oriental Pearl TV Tower, Shanghai Jinmao Tower, Guangzhou Olympic Stadium and subways in Guangzhou, Shanghai and Beijing.

Operator maintenance site

Our professional services have accumulated technical level and maintenance experience, so we can provide professional services. Beijing carrier air conditioning maintenance co., ltd.

Maintenance case model 1: Carrier air conditioning KFR-28GW/BP model;

Fault phenomenon: the remote control starting mechanism does not work during hot operation, and the fault alarm refrigeration lamp flashes; Fault analysis: By consulting Carrier Air Conditioning Maintenance Manual.

There may be the following (1) communication failures between the indoor unit and the outdoor unit: (2) communication components of indoor and outdoor computer boards are poor; (3) Poor connection between indoor and outdoor machines; (4) The air conditioning power supply circuit has strong interference sources; (5) The power module is defective; (6) The circuit components of the outdoor unit's strong power supply are damaged or the plug-in contact is poor.

(7) The electronic components of indoor and outdoor machines have leakage faults.

(8) Sensor leakage; Carrier air conditioning maintenance process: the socket reflects that it has come to the door, and check that the indoor unit fault alarm refrigeration light flashes as a communication fault.

Judge that the outdoor computer board is damaged. After replacing the outdoor computer board, the outdoor computer board of the commissioning machine burned out again. After careful inspection and testing of the outdoor computer board, it was found that the 5V power circuit device 7805 of the outdoor computer board was burnt out. Check the output circuit load of the 7805 integrated regulator. When detecting the sensor of outdoor defrosting coil, the sensor was taken out of the condenser coil, and it was found that the external computer board had been damaged by the condenser leakage fire.

Causes of trouble of Carrier air conditioner: sensor leakage of outdoor defrosting coil and short circuit of condenser.

Maintenance measures of Carrier air conditioner: After replacing the sensor of defrosting coil of outdoor unit, the air conditioner runs normally in trial operation.

Maintenance case 2: Carrier air conditioner KFR-35GW/BP model;

Fault phenomenon: the heating of the starting mechanism does not work, and the indoor carrier air conditioner fails to replace AJ; Fault analysis: By consulting Carrier Air Conditioning Maintenance Manual.

There are several possibilities for EEPROM damage of outdoor computer board (1); (2) The air conditioning power supply voltage is too high, too low and unstable; Carrier air conditioning maintenance process: after checking with the socket, the indoor unit fault is displayed as AJ generation, and the power failure again still exists. According to the fault phenomenon and query fault, the EEPROM circuit in the outdoor computer board is damaged. After replacing the outdoor computer board, the machine is normal.

Cause of carrier air conditioning failure: EEPROM integrated circuit of outdoor computer board is damaged.

Maintenance measures of Carrier air conditioner: After replacing the outdoor computer board, the air conditioner was debugged and operated normally.

The fate of Carrier China Carrier and China can be traced back to the 1930s.

At that time, some public buildings in Shanghai, the most prosperous city in the Far East, became the first beneficiaries of Carrier Air Conditioning in China.

At that time, Komyoin, known as the most advanced in the Far East, the Bank of China Building on the Bund, and the train between Shenyang and Dalian were all equipped with carrier air conditioning equipment.

In the early 1980s, Carrier became the first American air-conditioning equipment manufacturer to enter China with capital, technology, products and advanced management experience.

1987, Carrier established its first joint venture in China.

Today, Carrier has more than 2,500 employees in China and more than 60 sales and after-sales service organizations nationwide, providing customers with quality products.

With 20 years of development experience in China, Carrier is the undisputed leader in the HVAC and refrigeration industries.

Carrier commercial large-scale central air conditioning has been adopted by a large number of famous buildings and places, including the Great Hall of the People in Beijing, the Oriental Pearl TV Tower in Shanghai, the Jinmao Tower in Shanghai, the Guangzhou Olympic Stadium and the Shaanxi History Museum.

Acquisition of 201116, Midea Electric announced that the company's proposed acquisition of Carrier Latin American air conditioning business has been approved by the National Development and Reform Commission and filed by the Guangdong Provincial Department of Commerce, and a series of new company establishment and shareholding structure adjustment required for the transaction have been completed, and Carrier Latin American air conditioning business company 5 1 has been acquired.

Fang Hongbo, chairman and president of Midea Electric, said that after the transaction, he would focus on his own brand and explore the Latin American market.

He said that Carrier's air-conditioning business in Latin America, as one of many global cooperation projects between the two sides for many years, is also the second overseas cooperation project after the equity acquisition of Miraco in Egypt, and it is a major strategic move made by the US global development strategy to expand the Latin American market, promote American brands, avoid trade barriers and enhance strategic advantages.

Headquarters Address: Extended Reading 1, 5th Floor, Shen Da Building, No.266, hankou road, Shanghai, China, Carrier Air Conditioning Maintenance.

/Fuk Uk Centre/Kaili/