COSEL Power Supply LFA150F-15-SG

09/10/2020

A new variable speed drive motor for screw air compressor

After more than half a century of development and application, screw compressors have achieved great development in technology. Among them, the application of oil-injected screw air compressors is the fastest and most extensive.

06/29/2020

What is the cause of compressor pipeline vibration

08/08/2020

The role of these parts in cold storage construction

Speaking of cold storage, we must all know that in the field of food in our daily life, it brings us not only convenience in life, but also health and safety. Everyone knows that any piece of equipment will need a lot of large and small parts,

08/20/2020

Aftertaste the college entrance examination how many points can you answer this set of cold storage test papers

This year's college entrance examination is over, Chinese, mathematics, science and comprehensive...These subjects rigorously and scientifically test the students' ability to take the test.

08/24/2020

Reason analysis of refrigeration compressor can not start or stop soon after start

1) First check the main circuit. Whether the power supply has power, whether the voltage is normal, whether the fuse has been blown due to starting overload, whether the air switch has tripped, whether the switch contacts are good, and whether the power supply is missing phase. Observe the voltmeter and ammeter when starting. When the small-scale refrigeration and air-conditioning equipment does not have an ammeter or electric meter, a multimeter or electric pen can be used to check the power supply. When the power supply voltage is too low, the compressor will not start.

08/18/2020

Central air-conditioning chiller water system and ventilation system cleaning method

The central air-conditioning ventilation system mainly includes air ducts, fresh air ducts, central air-conditioning wind cabinets, air supply openings, air sealing openings, air handling units, fan coils, etc.

11/07/2023

When Does the Radiator Fan Turn on? Exploring the Trigger Points of a Radiator Fan

The radiator fan is an essential component of a vehicle's cooling system. It plays a crucial role in maintaining the optimal temperature for the engine to function at its best.

09/07/2020

The harm of screw air compressor not being maintained on time

The screw air compressor must be regularly maintained. Many air compressor users think that they are fooling around. So why do air compressors need to be maintained, and what will happen if they are not regularly maintained? What is the harm?

08/14/2020

Introduction to the three most common classification methods of refrigeration compressors

The evaporation temperature of the single-stage refrigeration compressor is in the range of -45~10℃. Divided by evaporation temperature:

06/14/2020

Refrigeration compressor installation conditions and precautions

The selection of the installation site is ignored by the staff. Often the compressor will be found at random after it is purchased and used immediately after piping.