YEESEN Vane Pump VP-20-FA3

06/13/2024

How to Select a Right Solenoid Valve? Selection Guide for Beginners

The solenoid valve is an industrial electromagnetic device used to adjust the direction, flow, speed, etc. of the medium.

01/16/2021

Refrigerator compressor maintenance case

Refrigerator compressor maintenance case Case description: The repair is a Refrigerator 220 direct-cooled refrigerator, which starts after the contact is stuck, causing the refrigerator compressor to start normally and sometimes abnormally.

08/15/2020

How to correctly remove the ammonia refrigerant when repairing refrigeration parts

In the process of maintenance of the refrigerator, if there is a fault in the system components from the compressor exhaust shut-off valve to the accumulator outlet valve

06/14/2020

Clean the air conditioner yourself, so the operation may explode!

Clean the air conditioner yourself, so the operation may explode! The weather is getting hotter and hotter, and many families have turned on the air conditioner, but the air conditioner is blowing a smell, so he decided to clean the air conditioner himse器2䀀
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08/12/2020

Four steps in the use of parallel compressors in cold storage

The use of parallel compressors focuses on four issues, as follows: 　　①Keep the oil level 　　② Countermeasures for liquid flood back 　　③Protection device and accessory parts device 　　④Confirmation of piping stress

06/29/2020

Several causes of compressor burning

08/21/2020

How to operate the chiller correctly

For an operating chiller. Environmental conditions, the load has become a fixed value. At this time, the condensing heat load is also a fixed value. It is stipulated that the temperature difference between the inlet and outlet water is 5℃

12/23/2024

Rexroth Servo Drive Fault Codes and Troubleshooting Methods

Common faults of Rexroth servo drives / servo controllers include: no display, phase loss, overcurrent, overvoltage, undervoltage, overheating, overload, grounding, parameter errors, display but no output, module damage, etc.

09/10/2020

Structural characteristics of rolling bearings imported from FAG

German FAG bearings (especially rolling bearings) are divided into two kinds of structure with cage and without cage. Among them, large-scale FAG bearings are generally required to withstand larger loads, often without a cage, but filled with rolling elements between the inner and outer raceways. And most of the small and medium rolling bearings are with cages.

06/20/2022

How To Measure Output Voltage From A VFD To A Motor?

When troubleshooting the electrical signals within a motor/drive system, think in terms of input vs. output.