Danfoss Expansion Valve TUAE 068U1250

04/10/2024

Servo Control, Step Control and Variable Frequency Control: Detailed Explanation of the Three Major Controls

The following introduces the working principle, structure, types and application of the three major control methods of servo, step and variable frequency.

07/27/2020

What is the refrigeration pressure of the inverter air conditioner? What is the refrigerant of inverter air conditioner?

It is necessary to find a good air conditioner to be able to reassure people. Inverter air conditioners are really good and are loved by people. So when people use such air conditioners, they should also know the refrigeration pressure of inverter air conditioners. At the same time, we should know what the refrigerant of inverter air conditioner is, so that it can be more helpful to the use of air conditioner.

08/05/2025

The working principle and the common wiring method of the servo drive

The servo drives, the motor under the command signal from a control system, so whether the drive can work normally or not directly affects the overall performance of the equipment. In the servo control system, the servo drive is equivalent to the brain, and the servo motor is equivalent to the hands and feet.

08/02/2020

The working principle of screw compressor and comparison of fully enclosed, semi-closed and open type

Compared with reciprocating piston refrigeration compressors, screw refrigeration compressors have a series of advantages such as high speed, light weight, small volume, small footprint and low exhaust pulsation.

05/17/2023

How to Add Oil to AC Compressor

When the all-in-one air conditioner leaves the factory, there is a sufficient amount of AC compressor oil (commonly known as refrigeration oil, refrigerant oil, AC lubricants, AC oil) inside the machine.

08/19/2020

Installation of air conditioning and refrigeration system equipment

1. Installation preparation 　　 (1) Check and accept the equipment foundation according to the construction drawings. Measure the position and elevation of the pipeline shown, and find out the embedded parts of the support and hanger.

08/25/2020

Precautions for showcase

1. After the cabinet is moved, it must be placed securely and stand still for half an hour before it can be powered on. When using a supermarket display cabinet for the first time, let the empty cabinet run for 2 hours before putting the food in the box for storage.

07/27/2020

Cause analysis of common failures of compressors with heat transfer oil heating system

Cause analysis of common failures of compressors with heat transfer oil heating system<br></br>

06/14/2020

Price war can open a new chapter of home central air conditioning

Price war can open a new chapter of home central air conditioning Not to mention the magical start of 2020, the past 2019 was a year of intense turbulence in China's air-conditioning industry.

06/29/2020

How the compressor works