IRC Resistor 3W 68R

07/07/2020

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

09/02/2020

Two different air compressors

The air compressor with abnormal noise has serious wear on the connecting rod bushes, and the noise will increase if the connecting rod bushing is severely worn. There is also a cold dryer that vibrates and makes abnormal noises. The reason needs to be disassembled and checked.

10/17/2025

VFD Troubleshooting: 10 Simple Methods to Master

At present and in the future, the maintenance of the electrical control equipment, VFD (Variable Frequency Drive) will become the professional knowledge that all electricians need to master.

09/06/2020

Application of Frequency Conversion in Oilfield Development and Energy Saving

The application of frequency conversion energy saving in the crude oil extraction industry is mainly manifested in various pumps. In order to ensure the reliability of production, all kinds of production machinery have a certain margin when they are designed and equipped with power drives.

09/09/2020

Types of precision filter elements

The filter element of the precision filter is the heart of the filter, as the name implies, the filter element. The main principle of the filter element is also the main principle of the filter. It is the purification equipment needed to purify the original ecological resources and the reuse of resources.

08/17/2020

The specific maintenance content of the cooling tower equipment of the chiller

We know that the international cooling water tower is a structure used for cooling water in power plants, and the general height is determined by the size of the power plant units.

06/14/2020

refrigeration compressorIndustry prospects

The type, application, geographic location and end-user industry of refrigeration compressor products are the main market areas in this study.

09/11/2020

Several Improvements on the Easy Failure Points of Air Compressor

The original compressor has poor cooling effect and low efficiency. The improvement method is to introduce the water that enters the primary and secondary cylinders and the intercooler directly from the main pipe to the water collecting funnel after cooling.

02/29/2024

Freezer Fan Not Working: Common Reasons and Troubleshooting Steps

A malfunctioning freezer fan can be a source of frustration for anyone relying on their freezer to keep food items fresh and properly preserved.

08/21/2020

Useless for a lifetime. Dehumidification and refrigeration of air conditioners are completely different!

This summer, the heavy rain that has come in New York caught many friends off guard, and the humid and sultry weather made the big guys complain. A small partner told the author that at this time, dehumidification is enough. The air conditioner does not need to be cooled. principle of refrigeration of central air-conditioning chillers