LEEMIN Filter HX-400-1

06/29/2020

Several causes of compressor burning

07/01/2020

How to check the compressor body for cracks

How to check the compressor body for cracks In winter, it is relatively common for compressors to crack. I believe many people have ideas to prevent this kind of problem. In fact, it is not impossible, as long as we conduct a detailed inspection of the compressor body during normal maintenance, this problem can be avoided.

08/08/2020

Precautions for operation of cold storage condenser

Precautions for operation of cold storage condenser 1. When the refrigeration system is running, all the other valves of the condenser should be opened except the oil drain valve and the air valve closed.

06/14/2020

The secret of refrigeration compressor lubrication

The secret of refrigeration compressor lubrication The refrigeration process can be traced back to the middle of the 18th century, when the experiment was about ice production. The technology was perfected in the 18th century, and modern refrigeration wa器2䀀
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03/13/2021

Working mode of servo driver

The working modes of servo driver are: open loop mode, voltage mode, current mode (torque mode), IR compensation mode, Hall speed mode, encoder speed mode, tachometer mode, and analog position loop mode (ANP mode). (not all of the above modes exist in all models of drives)

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.

07/31/2020

The 8 accessory usages that must be mastered when using computer room air conditioners!

The electrical control and air circulation of the computer room air conditioner are independent units. During maintenance and overhaul, the air conditioner does not need to be turned off, and the stable air flow and temperature gradient in the air conditioner room can also be ensured

08/14/2020

How to deal with the leakage of refrigerant in the battery test box

The battery test chamber is cooled by an air-cooled compressor. Its working principle is the same as that of air-conditioning. In the refrigeration process, a refrigerant is used for cooling.

09/08/2020

Analysis of the advantages and disadvantages of oil-free screw air compressor

The oil-free air compressor is composed of screw head, electric motor, oil and gas separation barrel, cooling system, air conditioning system, lubrication system, safety valve and control system.

06/27/2022

How to Test an Encoder with a Digital Multimeter

A basic multimeter can be utilized to measure the encoder’s parameters. Bear in mind that a digital multimeter can measure the average duty cycle, frequency, peak voltage, and average voltage of an encoder.