Mitsubishi PLC FX0-30MT

06/14/2020

The most comprehensive analysis of the advantages and disadvantages of these five compressors is worth a look

There are five main types of compressors, piston compressors, rolling rotor compressors, turbo compressors, screw compressors, and centrifugal compressors. This article briefly introduces the advantages and disadvantages of various compressors.

09/05/2020

What is the basis for the rated flow when selecting the filter

When selecting a filter, the rated capacity should not be selected according to the diameter of the pipe, but the nominal flow of the filter (nameplate flow) should be selected according to the volumetric flow of the compressed air passing through the filter.

08/02/2020

How to quickly calculate the cost of cold storage

Factors that determine the price of cold storage<br></br> 　　 cold storage unit: (cold storage unit size, cold storage unit brand, cold storage unit origin, cold storage unit type).

08/15/2020

The peak of air-conditioning installation is coming

"The free installation was stated at the time of purchase, but not only did the on-site installation charge for materials such as external machine brackets and copper pipes, but also charge for labor.

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

08/19/2020

How to clean the central air conditioner

Central air-conditioning is particularly important for large-scale occasions such as hotels, restaurants and office buildings. Central air-conditioning is indispensable for air replacement in large spaces.

08/07/2020

Refrigeration unit fan equipment refrigeration system maintenance

1. To operate the unit, always observe the oil level and return of the compressor and the cleanliness of the oil. If the oil is dirty or the oil level drops, it should be solved in time to avoid poor lubrication.

07/29/2020

Pressure controller use and adjustment

Many pressure controllers are used in the refrigeration system, and the pressure is controlled by the on and off of the contacts. Mainly include high pressure pressure controller, low pressure pressure controller, high and low pressure pressure controller, pressure difference controller and oil pressure protection pressure controller.

09/09/2020

The development prospect of air filter

The prototype of the air filter is a respiratory protection device used by people to protect the breath. According to records, as early as the first century in Rome, people used hemp masks for protection when they purified mercury.

08/14/2020

Low-voltage alarm and fault repair methods for precision air conditioners in computer rooms

The low-pressure alarm for the special air conditioner in the data center computer room is a problem we often encounter in daily maintenance. Especially often encountered in winter.