COSEL Power Supply PBA1000F-3R3-C

07/31/2020

Five common problems of refrigeration system

Trouble phenomenon: The cooling effect of the whole machine is poor, the water outlet is only slightly cool, and the pressure on the high pressure side and the low pressure side are found to be low when checked with the manifold pressure gauge (under the normal speed of the compressor

06/29/2020

Compression ratio of American Copeland compressor

08/20/2020

Precautions for the selection of fan coils for large central air conditioners

The fan coil unit is an important component in a large central air-conditioning system. Its selection will directly affect our usage, such as cooling effect, power consumption, noise impact, etc.

04/03/2025

Servo Motor vs. Stepper Motor: Unraveling the Differences and Choosing the Right Fit

In the realm of automation and precision control, the choice between servo motors and stepper motors plays a pivotal role in determining the efficiency and accuracy of various systems.

06/14/2020

Trouble analysis and elimination of piston refrigeration compressor

Trouble analysis and elimination of piston refrigeration compressor Trouble analysis and elimination of piston refrigeration compressor 1) Large oil consumption of compressor 　　 Reason: The gap between the bearing, oil ring, cylinder and piston器2䀀
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12/10/2024

How to detect the tightness of the refrigeration equipment system

Keep the refrigeration equipment under a proper vacuum for a certain period of time, and observe whether the air infiltrates the system from the reading of the vacuum pressure gauge to check the sealing performance of the system.

08/25/2020

Renovation of the small turbine of the propylene refrigeration compressor oil station of the DCC unit has achieved initial results

Recently, the technicians of the DCC device have undergone transformation. The temperature of the small turbine bearing box of the propylene compressor oil station of the device has dropped from 90-120 degrees Celsius to 70-85 degrees Celsius

07/02/2020

Several reasons why the American Taikang compressor meets China's national conditions

Several reasons why the American Taikang compressor meets China's national conditions In this era, as the Chinese people's vision is getting higher and higher, even imports must meet a condition in order to gain a long-term foothold in the Chinese market. This prerequisite is in line with China's national conditions.

08/15/2020

Characteristics of oil cooler and attention issues

An oil cooler is a heat exchanger that uses air to cool hot fluid. Like other coolers, rust scale will appear. The rust scale appears mainly because the cooling water contains a large amount of calcium, magnesium ions and acid carbonates.

01/11/2021

[Case] Air conditioner compressor does not work after Mitsubishi Pajero overhaul Failure phenomenon:

[Case] Air conditioner compressor does not work after Mitsubishi Pajero overhaul Failure phenomenon: The Mitsubishi Pajero off-road vehicle uses a 6G72 engine. The air-conditioning compressor does not work after the car is overhauled and the condenser器2䀀
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