Omron PLC CP1E-N20DR-D

08/09/2020

Leak detection, drainage, and vacuum operation methods of the refrigeration system in the computer room

The refrigeration system is indispensable for the computer room. Leak detection, sewage discharge, and vacuuming in the refrigeration system protect the refrigeration system so as to prevent the dirt in the system from entering the compressor and throttle valve

09/11/2020

Chinese air-conditioning anchored new coordinates for industrial upgrading

Haier "zero distance" customization accelerates the restructuring of the air-conditioning industry The implementation of the new energy efficiency standards is imminent, and the air-conditioning industry may usher in a new inflection point.

06/14/2020

Danfoss cocuses on providing energy efficient, sustainable and smart refrigeration compressors for a varied range of commercial applications such as cold rooms

08/14/2020

How to flush reciprocating compressor with refrigerant oil

After the refrigeration equipment and its compressor are used for a period of time, the added refrigerating oil will be naturally lost during the operation of the equipment.

01/12/2021

Mitsubishi Electric's commercial counters are in great favor! !

Mitsubishi Electric's commercial counters are in great favor! ! Surprise: Single cold 5 HP cabinet machine, 3 HP price range! ! ! PS-5JAK3-S; Single refrigerator; 12.2KW; 380V; R22; Mitsubishi Electric’s commercial cabinets are popular among器2䀀
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09/16/2020

The development of screw air compressor

Since the advent of screw compressors in 1934, after decades of technological improvement, screw compressors have been widely used, especially in refrigeration.

03/01/2021

Performance characteristics of Panasonic Minas series Panasonic AC servo

The output power of Panasonic AC servo motor is generally 0.1-100 W, and the power frequency is divided into 50 Hz, 400 Hz, etc. It is widely used in various automatic control and recording systems 1.Miniaturization design 1) Through the best thermal analysis of the driver, the miniaturization is realized. Compared with the past, the volume is 75% and the weight is 80% 2) The new punching process of thin die steel plate has greatly reduced the iron loss, shortened the motor length (70% in the past) and reduced the number of drive models. It adopts current grading method to prepare and maintain. One driver is suitable for multiple motors and can identify automatically.

08/04/2020

Types of surface coolers and maintenance methods

There are two types of surface coolers: one is the heat exchanger of the fan coil, its performance determines the cooling (heat) capacity of the fan coil and the influence on the air volume.

08/20/2020

Purchase must see! How to distinguish between original refrigeration compressor and second-hand refrigeration compressor

At present, illegal businesses on the market often use second-hand or refurbished or offline refrigeration compressors to make industrial chillers in order to make huge profits.

08/20/2020

The general layout principle of the suction pipe in the cold storage

Recently, a small partner left a message asking about the general layout principles of the suction pipe in the cold storage. Today, the editor of okmarts.com will popularize this knowledge for everyone