Danfoss Compressor DSH090A7AAW

07/28/2025

10 Methods for VFD Troubleshooting

It is important to learn the helpful methods for VFD troubleshooting. In order to let everyone be capable of solving VFD problems, we have summarized 10 methods here.

06/21/2020

Composition principle of refrigeration system of refrigerator

Composition principle of refrigeration system of refrigerator Refrigerators have a larger cooling capacity than household refrigerators, and there are more refrigerants filled in the system. Therefore, a liquid storage tank is installed on the pipeline between the condenser and the filter, and a shut-off valve is installed on the tank to shut down the system for a long time. When closing the shut-off valve, the refrigerant liquid is stored in the tank.<img src="{{media url=&quot;Composition_principle_of_refrigeration_system_of_refrigerator.jpg&quot;}}" alt="" />

12/18/2024

ABB inverter fault codes and solutions

After an ABB inverter fails, many people don't know what to do, and they look for experts everywhere for advice. In fact, many times, just check the inverter's fault code to know what specific fault has occurred in the inverter, and you can prescribe the right medicine

08/17/2020

Air conditioning unit filter and heat exchange equipment dust and scale treatment method

Summary: Dust and fouling occur on filters and heat exchangers, which are not economical for the operation of air conditioning units and cannot guarantee normal use requirements.

08/15/2020

How to achieve high efficiency of industrial refrigerators and cooling water towers

In many industries, the demand for industrial refrigerators is very large, especially those industries that require refrigeration to a certain temperature.

07/16/2020

Common failures and maintenance of overload protectors for air-conditioning compressors

Overload protector of air conditioner compressor Installed between the active and passive sides of the power transmission, when an overload fault occurs (torque exceeds the set value), the torque limiter will separate, thereby effectively protecting the driving machinery and the load. Just like its name, the fundamental function of the overload protector is to protect the air-conditioning compressor.

08/24/2020

What are the cooling methods you know Let's all talk!

1.Vapor compression refrigeration Principle: In the vapor compression refrigeration cycle system, the compressor sucks in low-temperature and low-pressure refrigerant vapor from the evaporator, is adiabaticly

08/07/2020

Don't let the air conditioner "false malfunction" fool you

in winter, the utilization rate of air conditioners soars. On the other hand, okmarts.com, a service network owned by O&K, sometimes receives calls from citizens saying that the air conditioner at home is broken.

01/12/2021

How about the Mitsubishi Heavy Industries Central Air Conditioner? Mitsubishi Heavy Industries Central Air Conditioner Advantage Introduction【Detailed】

Today, the price of central air conditioning is far less expensive than before, and it is becoming more and more acceptable to the general public. The central air conditioning is stylish and elegant, and it is also very comfortable to use. Mitsubishi Heav器2䀀
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06/29/2020

Several causes of compressor burning