Elau Servo Motor SM100-50-030-P1-44-S1-B0

09/24/2025

4 Types of Safety Protection for Refrigeration Compressors (9 Common Protection Devices for Refrigeration Compressors)

When the compressor is running, some abnormal situations may occur, such as: the exhaust pressure is too high, the suction pressure is too low, the oil pressure is insufficient, the motor is overheated

08/25/2020

The reason why the freezer glass door is not closed tightly

The glass door of the freezer is not closed tightly. It is common for both domestic and commercial freezers. When we are at home, we rarely pay attention to whether the door of the freezer can be closed tightly.

06/29/2020

How the compressor works

07/30/2020

A newly installed air conditioner trips as soon as it is plugged in. What's the matter

This question is about the first use of newly purchased appliances. This question actually asked two questions: One is that the newly installed air conditioner trips as soon as it is plugged in. Why? Second, why does it stop tripping after removing the neutral wire? The Electrician's Home will answer this question from these two aspects.

04/16/2022

How Does Electromagnetic Flowmeter Work?

Electromagnetic flowmeter can be used for volume flow measurement of water. It not only has the advantages of small pressure loss and large measurable range, but also has simple structure and stable performance.

08/18/2020

How to judge whether the water-cooled chiller is scaling and cleaning method

In the production process of the factory, many refrigeration units use water-cooled chillers, and the internal pipe walls of the water-cooled condenser are prone to scale formation.

08/02/2024

Sensors and Solenoid Valves on the KOBELCO Excavator Engine: Locations, Error Codes, and Functions

In order to protect the environment, most excavators are now using EFI systems (referring to electronic fuel injection systems).

07/05/2020

Hitachi 6HP Inverter Compressor-Compressor

Hitachi 6HP Inverter Compressor-Compressor Why is frost formed between the electronic expansion valve and the compressor? A customer asked: The compressor is suddenly not cooling, and the electronic expansion valve is frosted to the compressor. Is there any relationship between the two before?

08/19/2020

What are the tips for purchasing a screw chiller for the first time

Screw chiller is named screw chiller because of its key component-the compressor adopts screw type. The state of the unit from the evaporator is gas refrigerant; after adiabatic compression by the compressor, it becomes a high temperature and high pressure state.

12/10/2024

How to detect the tightness of the refrigeration equipment system

Keep the refrigeration equipment under a proper vacuum for a certain period of time, and observe whether the air infiltrates the system from the reading of the vacuum pressure gauge to check the sealing performance of the system.