PMI Linear Guideway MSA15ASSFCN

06/14/2020

What is the energy efficiency ratio of air conditioning

What is the energy efficiency ratio of air conditioning What does the air-conditioning energy efficiency ratio mean? How to calculate the air-conditioning energy efficiency ratio?

08/02/2020

Why do some compressors have to soft start

We know that the motor's direct starting current is 4 to 7 times the rated current, so if the power of the motor is relatively small, then the impact on the grid is not great, we allow it to start directly, generally the motor power is allowed below 7.5KM Started directly

06/14/2020

Common failures of half-sealed piston compressors

Common failures of half-sealed piston compressors 1. The compressor cannot start normally 1. First check whether the power supply voltage is too low or the motor line is poorly connected. If the grid voltage is too low, start again after the grid volt器2䀀
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05/27/2024

EGR Valve Failure Symptoms: How to Diagnose and Address

The Exhaust Gas Recirculation (EGR) valve is a critical component in modern vehicle engines, playing a pivotal role in emissions control and engine performance. However, like any mechanical part, the EGR valve is susceptible to wear and failure over time.

01/14/2021

Brief Analysis of Hitachi Central Air Conditioner and Daikin

In the current domestic central air-conditioning market, the central air-conditioning is still doing well with Japanese brands. But among the Japanese brands, we have to say that Hitachi is the brand of Hitachi. At present, most air conditioners use scrol器2䀀
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07/20/2020

Causes and solutions of air conditioning not heating

The air conditioner has the functions of cooling and heating. Heating in winter and cooling in summer. Life is called a comfortable one. However, why is the air conditioner not heating? In the cold winter, the air conditioner is turned on for heating, but the cold wind blows out, which makes people tremble more.

07/07/2020

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

08/16/2020

Where is the key technology of ammonia refrigeration system construction

1. Refrigeration compressor installation 　　 Before the refrigeration compressor is in place, clean the soil and dirt from its bottom and foundation bolt holes, and clean up the foundation surface that has passed the acceptance.

08/19/2020

Dry goods sharing There are so many applications of chillers, did you make them

Water chiller is an energy-saving machine that achieves cooling effect through vapor compression or absorption cycle. Billion times chiller is called cooling water cycle machine, also called chiller,

09/22/2020

Compressed air drying and purification system composition

Since compressed air inevitably contains impurities such as solids, liquids, and gases, and each has its own characteristics, it cannot be achieved with a single device. Therefore, compressed air drying and purification becomes a system, a complete compressed air The drying purification system includes: 1) gas-liquid separator; 2) filter; 3) drying equipment and other facilities.