Dwyer Flowmeter RMVII-1

07/07/2020

Behind the tearing of enterprises the central air conditioning market is facing a crisis

Behind the tearing of enterprises the central air conditioning market is facing a crisisIn fact, in the slump of the home appliance market in the past few years, the central air-conditioning market has been "another vigorous scene."

06/14/2020

York NGC200 Petroleum Coal Chemical Screw Refrigeration Compressor Oil Temperature Excessive Failure Overhaul

York NGC200 Petroleum Coal Chemical Screw Refrigeration Compressor Oil Temperature Excessive Failure Overhaul York NGC200 Petroleum Coal Chemical Screw Refrigeration Compressor Oil Temperature Excessive Failure Overhaul, Oil Temperature Excessive Failureﰸ2䀀
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07/05/2020

Hitachi screw compressor failure case

Hitachi screw compressor failure case The author summarizes the case of Hitachi screw compressor maintenance and replacement bearings, and shares the data, please send it to a friend to collect and forward it for use

07/15/2020

The Secret of Counterfeit Refrigeration Compressor

Mass consumer goods, especially branded products, once counterfeit, copycats, etc., there will be a large number of media and professional counterfeit ears to remind consumers. However, due to the distance between refrigeration products and ordinary consumers, they are rarely bombarded or continuously concerned, and are more often circulated within the industry, which makes it more difficult for the industry to fight counterfeiting.

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

08/14/2020

Selection requirements for cold storage refrigerants

The nature of the refrigerant will directly affect the type, structure, size and operating characteristics of the refrigerator, as well as the form, equipment structure, and economic and technical performance of the refrigeration cycle.

06/25/2020

Guangzhou Hitachi compressor naming rules for vehicle air conditioning

Guangzhou Hitachi compressor naming rules for vehicle air conditioning Example: G503DHV-80DTYG

06/22/2020

Why is the air conditioner not cooling

Why is the air conditioner not cooling There are many factors for not cooling, for example: the selected air conditioner does not match the area of the room; improper installation of the air conditioner will cause the air circulation of the air conditioner to be unsmooth; when the indoor temperature is relatively high, the air conditioner cannot be cooled when turned on; It has been aging, or the service life has expired; the air conditioner has not been cleaned for a long time, and the filter surface is covered with dust; and the freon of the air conditioner has been seriously lacking. <img src="{{media url=&quot;magefan_blog/Why_is_the_air_conditioner_not_cooling.jpg&quot;}}" alt="" />

03/05/2021

Precautions for use and installation

Ambient temperature of servo driver. 1) Operating temperature: - 10 ℃ ~ + 40 ℃; (2) storage temperature: - 25 ℃ ~ + 65 ℃; (3) ambient humidity: 5% ~ 90%, no condensation; (4) vibration / shock: vibration is 0.5g (4.9M / S2), shock is 2G (19.6m / S2).

08/17/2020

Reasons and repair methods of screw damage of screw chiller

Screw chillers are named after the use of screw compressors. They are often used in large-scale industrial refrigeration such as chemical plants and central air-conditioning systems. Because the performance of screw chillers is more stable and efficient,