Lenze Servo Drive EVS9324-ESV100

08/11/2020

How to clean the central air conditioning cooling tower

The cooling tower is exposed to the outside for many years, and the fan’s adsorption power is very strong, so that a large amount of sand and dirt will enter the tower.

07/07/2020

The aging of air conditioners caused fires. The heat is coming.

The aging of air conditioners caused fires. The heat is coming. Are your home appliances overaged? The police reminded: As summer is approaching, we should pay attention to the service life, quality and installation environment of household appliances. The wires of many electrical appliances are mainly insulated by a layer of rubber on the outside.

08/25/2020

Precautions for showcase

After the cabinet is moved, it must be placed securely and stand still for half an hour before it can be powered on. When using a supermarket display cabinet for the first time, let the empty cabinet run for 2 hours before putting the food in the box for storage.

08/16/2020

Solutions to the problem of abnormal pressure in industrial chillers

In the actual use of industrial chillers, it is inevitable that some failures will occur. Enterprises need to solve them in time when they face the occurrence of failures. In order to avoid the occurrence of failures, they also need to check the equipment regularly.

07/17/2020

Cause Analysis and Treatment Method of Copper Tube Leakage of Evaporator of Single Cooling Unit

Cause Analysis and Treatment Method of Copper Tube Leakage of Evaporator of Single Cooling Unit A central air-conditioning system in a public area uses a screw chiller. During operation, a copper tube in the evaporator leaks due to a malfunction. After further inspection by the technical staff, it was confirmed that the fault was leakage of the copper pipe of the evaporator of the chiller.

06/14/2020

The reason for the failure of the multi-line air-conditioning compressor is revealed!

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06/14/2020

Centrifugal compressor2

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01/02/2021

The Danfoss DNA

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09/26/2025

How Does an Expansion Valve Work?

The expansion valve is installed at the inlet of the evaporator. Its function is to eject the high-temperature and high-pressure liquid refrigerant from the receiver dryer from the small hole of the expansion valve.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start