Fuji VFD Frequency Converter FRN0361E2E-4GA

08/25/2020

How to calculate the power consumption of central air conditioning

In summer, every household will turn on the air conditioner, so how is the power consumption of the central air conditioner calculated? This is also related to the air conditioner's horsepower, cooling capacity, compressor power, and temperature difference between indoor and outdoor.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

04/30/2022

How to test a contactor?

Check the rated voltage of the contactor coil and connect it to the matching power supply. Open the switch and check whether the contactor is closed. If it cannot be pulled in, it indicates that the contactor coil is faulty.

08/24/2020

Where is the safety boundary of cold chain logistics what are the risks How to ensure safety

Following the detection of the new crown virus from the cutting board of imported salmon in Beijing Xinfadi Market, the topic of how the virus is transmitted has become a focus.

08/06/2020

How to prevent cold bridge phenomenon in cold storage construction

In the cold storage, the so-called "cold bridge" is actually a bridge that transfers heat. In adjacent warehouses with different warehouse temperatures or between the inside and outside of the warehouse

07/28/2022

Troubleshooting of Vane Pump

When we use vane pumps, we often encounter some vane pump failures, but we don't know how to solve them? Let me tell you something about how to solve the vane pump failures.

07/07/2025

Working principle of air compressor

An air compressor (air compressor) is a device used to compress gas. The structure of air compressor and water pump is similar. Most air compressors are reciprocating piston type, rotating blades or rotating screws. Centrifugal compressors are very large applications.

08/03/2020

What are the thermal state parameters of the refrigerant

The working fluid is constantly changing its thermal state. The physical quantity describing the thermal state of the working fluid is called the thermal state parameter of the working fluid, referred to as the state parameter.

08/14/2020

How much do you know about water-cooled chillers A few steps let you know

What is the cooling method of the chiller? A water-cooled chiller is one of them. It has many names. Some people say it is a chiller or a chiller. No matter which type, it is the same machine.

07/24/2023

An Introduction to Heat Pump Parts (with Heat Pump Parts Diagram)

Heat pumps are an energy-efficient alternative to traditional HVAC systems for heating and cooling your home. They work by transferring heat from one place to another, using a combination of several key components