Danfoss Compressor SZ148A4PBF

06/28/2020

In a few words, make it clear how strong the Hitachi central air-conditioning compressor is

In a few words, make it clear how strong the Hitachi central air-conditioning compressor is After seeing many posts on the compressors of Science Hitachi, various parameters and terminology simply summarize the following points

08/27/2020

Analysis and Improvement of Broken Shaft of Main Oil Pump of Centrifugal Compressor

2. CNOOC Dongfang Petrochemical's air compressor station installation provides non-purified air and clean air for instruments to all production installations and auxiliary facilities of public works throughout the plant.

08/16/2020

Comparison of the advantages and disadvantages of household central air conditioners and traditional air conditioners

1. Functionality 　　 traditional air conditioning 　　 Traditional air conditioners generally have three basic functions: cooling, heating, and dehumidification. However, fresh air cannot be introduced.

08/27/2025

Variable Speed Compressor in Refrigerator

The differences between variable speed compressor and fixed speed compressor are their working principle and user experience.

09/07/2020

Dry air compressor sales, please keep these seven words in mind!

【move】 　　 Work does not raise idlers, and the team does not raise idlers. 　　Go every day, not afraid of thousands of miles; 　　 Do it often, not afraid of everything.

08/24/2020

Popular science the advantages of water source heat pump central air-conditioning

Water source heat pump technology can use the low-level thermal energy resources formed by the absorption of solar and geothermal energy from the shallow water sources on the earth's surface

07/07/2020

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

08/02/2020

Do you know the key "3, 5, 8" in the installation of central air conditioning fluorine system?

Central air-conditioning creates a high-quality home life for us. Before installing central air-conditioning, we must make preparations for purchase, design and installation in advance, so as to be well aware of and avoid blindness.

12/23/2024

Rexroth Servo Drive Fault Codes and Troubleshooting Methods

Common faults of Rexroth servo drives / servo controllers include: no display, phase loss, overcurrent, overvoltage, undervoltage, overheating, overload, grounding, parameter errors, display but no output, module damage, etc.

06/24/2020

Why is the air conditioner not cooling

1.Check whether the compressor is working normally. If the compressor is broken, the air conditioner cannot start normally and there will be no cooling effect. 2. There is not enough refrigerant in the air conditioner. At this time, you need to add Freon, and the time for adding Freon can be very long. 3. The air conditioner itself has quality problems and the electrical components have failed. In this case, you need to find a master to repair it.