Delta VFD Frequency Converter VFD075V23A

08/14/2020

Need heat preservation for precision air conditioner cooling pipes

Whether the cooling water pipes of precision air conditioners should be insulated depends on specific conditions. Under normal circumstances, it is not insulated,

09/14/2020

What are the reasons for the high temperature of the air compressor

The air compressor is a transmission machine. If the equipment running at high speed is not properly lubricated or cooled, it will inevitably produce high temperature. Excessive temperature will cause changes in the physical coefficient values ​​of the rotor and bearing materials, and in severe cases, the entire main engine will bite.

04/15/2025

How to Connect Rotary Encoder with Arduino Board UNO

Rotary encoder is an input device to help users interact with the system. It looks like a radio potentiometer, but it’s unique that it outputs a series of pulses.

01/04/2021

Functions of a Refrigeration Compressor

Functions of a Refrigeration Compressor By CAROLINE FRITZUpdated JULY 18, 2017 A refrigerator compressor is the center of the refrigeration cycle. It works as a pump to control the circulation of the refrigerant, and it adds pressure to the refrigerant,器2䀀
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08/20/2020

Air-conditioning repair book Three nirvana tricks that can't be charged by the regular army

Summer is the peak season for air-conditioning to be turned on. After frequent use, the air-conditioning in some consumers’ homes will fail, and when a small partner is in a hurry, they will “see the doctor in a hurry”.

09/07/2020

Reasons for rust or corrosion of gas tank

The gas storage tank is a part of the post-processing equipment of the air compressor, which mainly plays the role of gas storage, buffering, pressure reduction, and drainage. It will inevitably cause corrosion in the air, rain or humid atmosphere after long-term use or use for many years.

06/29/2020

What is the cause of compressor pipeline vibration

07/19/2020

Advantages of adding economizer to screw chiller

The temperature control range of the standard screw chiller is 3～35℃, and the efficiency is significantly reduced when operating under lower temperature conditions. In order to meet the temperature requirements of more industries for chillers, make the single-stage screw compressor work according to the two-stage refrigeration cycle and achieve the effect of energy saving, an economizer can be added to the unit.

08/16/2020

Three selection skills and maintenance tips for chiller equipment

The chiller is a kind of water cooling equipment, by injecting a certain amount of water into the water tank in the machine, the water is cooled by the chiller refrigeration system, and then the

12/19/2024

Mitsubishi Servo Drive Fault Codes and Troubleshooting Methods

Mitsubishi servo system consists of servo motor, controller, and servo drive (also called servo amplifier), mainly including MR-J2S series, MR-J series, MR-H series, MR-C series, MR-J2 series, MR-J2S series, MR-E series, MR-J3 series, MR-ES series, MR-JE series, MR-J4 series, etc.