LIROJY Sensor LGRB-5V2-IZ

09/08/2020

How to classify air compressors

According to the compression method: Screw air compressor (screw air compressor), piston air compressor (piston air compressor, reciprocating air compressor), sliding vane air compressor (sliding vane air compressor), centrifugal air compressor ( Centrifugal air compressor)

09/05/2020

Analysis on the components of compressed air system

The compressed air system is composed of the air supply end to the air consumption end as follows: air compressor→air storage tank→filter→dryer→air pipeline→air port.

04/30/2022

How to test a contactor?

Check the rated voltage of the contactor coil and connect it to the matching power supply. Open the switch and check whether the contactor is closed. If it cannot be pulled in, it indicates that the contactor coil is faulty.

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.

06/14/2020

Refrigeration compressor overheat failure analysis

Refrigeration compressor overheat failure analysis The main reasons for the exhaust temperature overheating are as follows: high return air temperature, large motor heating capacity, high compression ratio, high condensation pressure, and improper refrig器2䀀

06/25/2020

Advantages and disadvantages of Hitachi central air conditioning

At present, the central air-conditioning of the refrigerant system is still the best done by Japanese brands. When it comes to Japanese central air-conditioning, one has to say that Hitachi, one of the Japanese air-conditioning BOSS, is a well-known international central air-conditioning brand. Most air conditioners now use scroll compressors as the core of power, and the world’s first scroll machine for air conditioning was manufactured by Hitachi in 1983.

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

08/02/2022

What is A Overflow Valve

Overflow valve also called relief valve is a kind of hydraulic pressure control valve, which mainly plays the role of constant pressure overflow, pressure stabilization, system unloading and safety protection in hydraulic equipment.

06/14/2020

Cause Analysis of Refrigeration Compressor

Cause Analysis of Refrigeration Compressor Cannot Start or Stop Quickly After Start 1) First check the main circuit. Whether the power supply has power, whether the voltage is normal,

08/02/2020

How to debug McQuay air conditioner noise

Noise caused by thermal expansion and contraction when the wall-mounted machine is working: The noise caused by the stepper motor and the synchronous motor. The main reason is that the internal gears of the motor are poorly matched to form abnormal noise.