Yaskawa Servo Motor SGMGH-09DCA6C

06/14/2020

Scroll compressor 2020 or will enter the dark moment

Affected by factors such as product competition and the weakening of downstream demand, in the context of the overall downturn in the HVAC industry,

07/22/2020

Carrier screw compressor motor repair

Carrier screw compressor motor repair<br></br> <br></br> Performance characteristics<br></br> <br></br>  Use of chlorine-free refrigerant HFC-134a;<br></br> <br></br> 06N twin screw compressor achieves high full load efficiency;<br></br> <br></br>  Use flooded evaporator and condenser to enhance heat exchange efficiency;<br></br> <br></br>  Using electronic expansion valve, precise control;<br></br>

08/12/2020

After reading this article, completely get rid of the phenomenon of centrifugal refrigeration compressor surge

Centrifugal refrigeration compressor is a speed compressor, which is a kind of impeller rotating machinery. It relies on the high-speed rotating impeller to do work on the gas to increase the gas pressure.

04/09/2025

Common DAIKIN AC Error Code Lists

DAIKIN air conditioner/air conditioning system malfunction codes consist of one letter or number plus one number or letter. The letters include A, C, E, H, F, J, L, P, U, and M, and the numbers include 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. These codes are divided into indoor unit related, outdoor unit related, system related codes and others.

09/11/2020

Noise analysis and treatment of air compressor

Noise analysis and treatment of air compressor A compressor manufacturer's statement: The noise level guarantee is +3dBA, which means that its noise level will be twice or one half of the declared noise level.

08/24/2020

Reason analysis of refrigeration compressor can not start or stop soon after start

1) First check the main circuit. Whether the power supply has power, whether the voltage is normal, whether the fuse has been blown due to starting overload, whether the air switch has tripped, whether the switch contacts are good, and whether the power supply is missing phase. Observe the voltmeter and ammeter when starting. When the small-scale refrigeration and air-conditioning equipment does not have an ammeter or electric meter, a multimeter or electric pen can be used to check the power supply. When the power supply voltage is too low, the compressor will not start.

07/25/2022

4 Common Causes of Water Pump

Most people know that a water pump is important to vehicle operation, but not everyone knows the four most common causes of water pump failure.

09/06/2020

What are the advantages and characteristics of power frequency screw air compressors

What are the advantages and characteristics of power frequency screw air compressors? 　　 Power frequency screw air compressor adopts high-efficiency host The power frequency screw air compressor adopts the industry-leading screw main engine, high efficiency, low speed, the rotor adopts the third-generation tooth profile

08/07/2020

Technical post: Use icons to tell you the difference between constant speed and frequency conversion!

The fixed speed air conditioner means that the speed of the internal compressor motor is constant and the temperature is adjusted by switching the compressor on and off.

07/07/2020

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