Fuji Frequency Converter VFD FRN-11P11S-4CX

09/04/2020

Screw air compressors have become an inevitable trend to replace traditional air compressors

In the recommended catalog of energy-saving technology and equipment just announced by the country, screw air compressors account for the majority, indicating that the country is strongly recommending high-performance products with technology and energy-saving

08/11/2020

Precautions for power distribution of screw chillers

1. After the screw chiller arrives at the customer site, it is necessary to connect the power cord to the unit control cabinet. The inlet of the control cabinet is above the control cabinet.

06/29/2020

Causes of non-condensable gas in refrigeration system

Causes of non-condensable gas in refrigeration system 1. Insufficient emptying of the refrigeration system before charging the refrigerant Before charging the refrigerator, the compressor cylinder in the refrigeration system, the condenser, the evaporator, and the piping of the system were filled with air. In order to eliminate these air before charging the refrigerant, the interior of the refrigeration system Vacuuming,

07/27/2020

Content overview: compressor operating principle, A/C switch function, difference between internal and external circulation air intake system

The season of using cold air-conditioning is coming: how to use the A/C switch and the operating principle of the car air-conditioning system. These two points are necessary for car users to understand some knowledge; especially the switching method of internal and external circulation, in different modes The ability of air purification and filtration will vary greatly. Let's talk about the air conditioning system of a car.<br></br>

06/14/2020

How to judge the quality of single-phase and three-phase refrigeration compressors

A compressor is a driven fluid machine that raises low-pressure gas to high-pressure gas, and is the heart of a refrigeration system. Then, after-sales maintenance sometimes doubts that the compressor is malfunctioning, how to check and judge at this time器2䀀
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01/16/2021

Refrigeration compressors are divided into several categories according to the working principle

Refrigeration compressors are divided into several categories according to the working principle 　　Refrigeration compressors can be divided into two types: volume type and speed type according to their working principles.

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).

06/17/2025

How to Make a Fan Blow Cold Air?

In summer, in some specific places, or some economically constrained families, people have no air conditioning but only fans. When it’s especially hot, some people find that the fan wind gets hotter and hotter, which can't cool at all.

08/24/2020

What kind of job is a refrigeration installer

With the continuous development of refrigeration technology in our country, refrigeration technology has been widely used in various fields of the national economy and people's lives.

06/29/2020

How the compressor works