Danfoss Compressor SZ380A4VM

08/21/2020

HVAC people collect these data, better than ten years of work experience!

HVAC people, we know that HVAC engineering includes many systems, the situation is complicated, and most of the pipes are hidden in tube wells, walls, ceilings, so the design process is very complicated, but don’t worry, we can step on the predecessors’ Go on your shoulders!

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?

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

05/11/2022

What is PLC?

Programmable logic controller (PLC) is a digital operation electronic system specially designed for application in industrial environment.

08/18/2020

Causes of vibration of air conditioning fans in computer rooms

There should be a qualified mechanical professional technician (or, hire a contract mechanical professional technician) among the staff in the data center.

09/26/2025

How Does an Expansion Valve Work?

The expansion valve is installed at the inlet of the evaporator. Its function is to eject the high-temperature and high-pressure liquid refrigerant from the receiver dryer from the small hole of the expansion valve.

07/29/2020

Common sense of wire and cable calculation

What is the maximum current and power that a square wire can pass? How much wire is used for 100KW of electricity for project construction? Large wires cause waste, and small wires have more serious consequences. Here I share with you my estimation experience.

10/18/2021

Maintenance of Absolute Encoders

What are the precautions for maintenance of rotary encoders? Rotary encoders are used as speed and displacement feedback sensors, which are mainly applied in servo motors, asynchronous motors

08/09/2020

The use of air conditioners must pay attention to these problems, which are energy-saving and durable. I regret knowing it is too late!

The use of air conditioners costs more electricity. Many people are not unable to afford air conditioners, but are more scared by the electricity bills used. They will spend hundreds of them accidentally a month.

08/17/2020

Causes and solutions for flow failure of water pump in industrial chillers

Industrial chillers will inevitably have various types of failures during operation. Today, Chongqing Refrigeration Equipment Company mainly analyzes with you the failure of the pump flow in the industrial chiller.