Schneider Contactor LC1R1210CC5N

09/07/2020

Is the air compressor oil-free or oil-free

The air compressor is oil-free or oily! ? 　　Good or bad depends on the use occasion and actual working conditions. In some occasions, such as food, medicine, precision instruments and other industries, it is necessary to use an oil-free air compressor. However, oil-free air compressors are much more expensive and more expensive to maintain.

07/05/2020

Hitachi central air conditioning compressor maintenance and maintenance must know

Hitachi central air conditioning compressor maintenance and maintenance must know The core of the central air conditioner is the compressor. If we can maintain the compressor of the central air conditioner, the life of the compressor will be severely punished. For Hitachi central air conditioner technical problems, okmarts.com professional technical editor will introduce you today : Hitachi central air-conditioning compressor repair and maintenance must know.

12/20/2022

What is an Optical Fiber Amplifier?

The optical fiber amplifier, also known as the optical fiber ampler (OFA for short), refers to a new type of all-optical amplifier used in optical communication link to realize signal amplification.

08/13/2020

Installation method and precautions of refrigeration compressor shock tube

In some special industries, the requirements for refrigerator products are still very high. It was the needs of different companies and industries in the market that allowed the rapid development of the refrigeration industry to today with so many users.

08/18/2020

Refrigeration compressor motor burnout detection and repair

The core component of the refrigeration system is the compressor. The faults of the motor refrigeration compressor (hereinafter referred to as the compressor) can be divided into motor faults and mechanical faults

09/20/2020

Rolling bearing technology

Rolling bearing technology Rolling bearing temperature 　<br></br>　 The main factors of bearing operating temperature:

08/03/2020

Indirect refrigeration system with refrigerant in cold storage

Abstract: This article will introduce how to reduce the amount of ammonia charged, and explain the safety, environmental protection and energy saving of the refrigerant-carrying indirect refrigeration system,

08/20/2020

What is an air conditioner pressure sensor

The pressure sensor is a device that is installed on the pipeline of the outdoor unit of the air conditioner to perform pressure detection. The pressure detection result is transmitted to the computer board to control other parts of the air conditioner.

04/23/2025

Top 10 differences between R410A and R22 refrigerants and the difference between R410A and R22 copper pipes

R22 is the chemical name of difluoromethane, is a member of the Freon family, belongs to the hydrochlorofluorocarbon class.

07/07/2020

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