Rockwell Allen Bradley AB Circuit Breaker 140G-J0F4-D16

08/02/2020

Summary of parameters and phenomena of air conditioning refrigerationheating system

Summary of parameters and phenomena of air conditioning refrigerationheating system 1. R22 refrigeration working state parameters 　　(1) During summer cooling, the normal low pressure of the refrigeration system is between 0.4～0.59MPa.

08/16/2020

Factors influencing the evaporation capacity of air-cooled chiller evaporator

Whether it is an air-cooled chiller, an air-cooled screw chiller, or an air-cooled low-temperature chiller, an evaporator is needed. Today we are discussing: What is an evaporator? What are the factors that affect the evaporation capacity of an air-cooled chiller evaporator?

08/08/2020

Four methods to detect air conditioner noise

Four methods to detect air conditioner noise Air-conditioning noise is the noise generated by the air-conditioning system when it is working, including the noise generated by the fan escaping into the room, and the regeneration noise at the end of the air–ﰨ2

08/13/2020

Reasons for vibration of inlet and outlet pipes of reciprocating compressor

During the air load test of the carbon dioxide compressor, the pipeline between the third-stage outlet buffer and the third-stage cooler, the pipeline between the fourth-stage outlet buffer and the fourth-stage cooler,

08/12/2020

Four steps in the use of parallel compressors in cold storage

The use of parallel compressors focuses on four issues, as follows: 　　①Keep the oil level 　　② Countermeasures for liquid flood back 　　③Protection device and accessory parts device 　　④Confirmation of piping stress

06/22/2020

What should I do if the refrigerator does not cool

Refrigerator is an indispensable electrical appliance in our daily family life, and it is deeply loved by pricing due to its good refrigeration and freezing performance. However, after long-term use, some failures will inevitably occur. So what's wrong with the refrigerator? How to solve it? Let's take a look together. <img src="{{media url=&quot;magefan_blog/What_should_I_do_if_the_refrigerator_does_not_cool.jpg&quot;}}" alt="" />

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.

05/09/2025

Air Conditioner Compressor: How It Works, Functions, Troubleshooting＆Maintenance

The air conditioner mainly relies on the work of the air conditioner compressor (AC compressor) to achieve the cooling cycle.

08/17/2020

Detecting and repairing methods for problems in shell and tube condensers

Since the central air conditioner is a kind of refrigeration equipment, it must be equipped with a condenser, and most of them are shell and tube condensers. When the device has been used for a long time, some inconveniences may occur.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start