Omron PLC CP1E-E20DR-A

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

09/07/2020

Risk analysis and control strategy of air compressor contract energy management project

Contract energy management is a decentralized secondary investment behavior. In the energy-saving benefit sharing model, the energy-saving service company undertakes most or all of the investment, and correspondingly assumes most of the risks.

09/01/2022

Advantages of a Permanent Magnet Contactor

The permanent magnet contactor is a new type of low-voltage switchgear. Using the working principle of electromagnetic operation and permanent magnet holding

07/03/2024

Proportional Valve vs. Solenoid Valve vs. Servo Valve

The way the valve controls the fluid can be divided into two types: one is on/off control, either fully open or fully closed. Examples for this type of valve include ordinary direct-acting solenoid valves, solenoid-operated directional valves, electro-hydraulic directional valves, etc.

09/04/2020

In addition to reducing wear, mechanical lubrication has other functions

There are three types of lubrication: full-film lubrication, boundary lubrication, and mixed lubrication. They are in three different states, but they all rely on lubricating oil to lubricate and resist wear.

08/05/2020

Why can only precision air conditioners with constant humidity and cleanliness be used in the computer room

The country divides computer rooms into Type A, Type B and Type C. The requirements for the three types of computer rooms are different, and the requirements for various construction standards and operating indicators are sequentially reduced.

06/20/2020

Installation instructions for explosion-proof air conditioners

Installation instructions for explosion-proof air conditioners <img src="{{media url=&quot;Installation_instructions_for_explosion-proof_air_conditioners.jpg&quot;}}" alt="" /> 1. The power supply of the explosion-proof air conditioner shall have a dedicated line, and a circuit breaker or air switch shall be provided in the dedicated line. The power supply wires and fuses should comply with the relevant regulations and cannot be changed at will.

03/21/2025

Mitsubishi vs Daikin: Top Series Comparison of Mitsubishi Power Multi and Daikin VRV Central Air Conditioners for Home Use

Now, in the world to promote environmental protection and low-carbon general trend of green living, inverter air conditioning has entered a new era.

09/01/2020

Please don't let the air compressor displacement become a key word!

For most unprofessional air compressor users, the standard for judging the energy efficiency of an air compressor is often to compare the exhaust volume data calibrated on the nameplate of the same air compressor. In fact, this is a serious misunderstanding!

07/05/2020

Hitachi screw compressor failure case

Hitachi screw compressor failure case The author summarizes the case of Hitachi screw compressor maintenance and replacement bearings, and shares the data, please send it to a friend to collect and forward it for use