Fuji Contactor SC-N2SH/G2E

06/29/2020

Compression ratio of American Copeland compressor

07/19/2020

Basic knowledge of refrigeration compressor

After shutting down, stop for at least 3 minutes before starting again to eliminate the pressure difference between the compressor inlet and outlet. Because in the case of a large pressure difference, the starting torque of the motor will increase, causing the current to rise to a certain level, the protector will act and the compressor cannot continue to run.

01/29/2024

The Role of UPS and How to Solve Its Heat Dissipation Problem (UPS Cooling Fan)

(Uninterruptible Power Supply) is a power supply that contains an energy storage device. It is mainly used to provide uninterrupted power for some equipment that requires high power supply stability, such as a single computer, computer network system

08/10/2020

Common faults of refrigerator thermostat

As we all know, the finished product of any mechanical product is composed of scattered parts; from the beginning of assembly, each of their parts has a very important "mission" to complete,

09/06/2024

Types of Central ACs and Introduction to Their 18 Components (Part 2)

The function of the evaporator is to use the principle that the liquid low-temperature refrigerant evaporates easily under low pressure, turns into steam and absorbs the heat of the cooled medium to achieve the purpose of refrigeration.

05/26/2025

Mitsubishi Heavy Industries-Haier AC Error Codes

When there is a problem with your Mitsubishi Heavy Industries-Haier air conditioning, you need to know the meaning of the fault code displayed on the thermostat and how to troubleshoot it.

06/14/2020

Refrigerating oil use characteristics and performance requirements

Refrigerating machine oil is mainly used to lubricate the parts that need to be lubricated in the freezing machine, and is closely related to the running performance and service life of the compressor, so its selection and application are very important.

08/13/2020

Requirements for adding refrigerant to industrial chiller system

After the industrial chiller system has passed the vacuum test, it can use the vacuum state in the system to charge the refrigerant.<br></br>

08/24/2020

The source of the new outbreak needs to be resolved. Is cold chain logistics still reliable

The source of the new outbreak needs to be resolved. Is cold chain logistics still reliable The origin of the epidemic in Beijing Xinfadi Wholesale Market is still an unsolved mystery.

08/20/2020

Small low-temperature cold storage the unique secret to extend the storage time of fruits and vegetables by 10 times

With the requirements of industry density and specialization, the production areas of fruits and vegetables are mainly concentrated in several places. In order to meet the needs of the national market and even the global market