SANREX IGBT Module PK90F-160

08/20/2020

Why does the air conditioning system need to be processed to eliminate noise

In addition to the air-conditioning engineering requirements for temperature, humidity, wind speed, and air cleanliness, the vibration and noise of air-conditioning equipment (fans, chillers, water pumps, cooling towers, etc.)

08/18/2020

Selection of refrigeration piping parts for chillers

The accessories of the refrigeration pipeline of the chiller mainly include various valves and connectors. According to different refrigeration systems, chillers have different requirements for piping accessories.

08/21/2020

Is the refrigerant gas or liquid

Regarding whether the refrigerant is charged with gas or liquid, many masters must have known it for a long time. I often see people asking about this refrigerant when charging, whether it is gas or liquid? Here is a summary. For your reference.

08/09/2020

Testing methods and maintenance skills of air-conditioning computer boards

The microcomputer control system of the household air conditioner is commonly known as the computer board. It is the nerve center of the air conditioner. When a failure occurs, the entire air conditioner will be in a paralyzed state

09/04/2020

Discussion on energy-saving and consumption-reducing ways of process compressor (1)

Process compressors are important and key large-scale equipment for petrochemical companies. In the chemical industry, the energy consumption of process compressors is large, accounting for about 12%-32% of the company's total power consumption according to statistics.

10/18/2024

Automobile Knowledge: What Are VVT, CVVT, DVVT, VVT-i, and VVT-iW?

VVT, CVVT, DVVT, VVT-i, and VVT-iW are often seen on many automobile engines. What do these logos mean? These logos reflect some of the unique technologies of automobile engines.

08/20/2020

What is the difference between chillers and general water cooling equipment

Today, with the rapid development of modern industrial technology, in order to improve production efficiency, improve product quality, and reduce production costs, the requirements

03/17/2025

Why Heat Pump Compressor Starts Then Stops: Common Causes and Solutions

A heat pump compressor that starts and then stops can be a frustrating and potentially costly issue. A malfunctioning compressor can cause inefficient operation, poor heating or cooling performance, and even complete system failure.

07/07/2020

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

08/02/2020

Air conditioning refrigerant specific classification and price

In the refrigeration device, there must be a working fluid in which the state changes and completes the thermodynamic cycle process.