Danfoss Compressor HLM078U2LC8

03/11/2021

The main circuit fuse fusing is a common fault of SCR servo driver. The causes of fuse fusing are as follows

The "phase sequence" of power incoming line is incorrect. Due to the synchronization problem between the trigger pulse and the main circuit of SCR servo driver, there are strict requirements on the "phase sequence" of the input power supply. If the "phase sequence" is not correct, connecting the power supply may immediately cause the fuse of the main circuit of the driver to blow.

08/16/2020

Can the chiller use a descaling agent for descaling

In fact, the use of a descaling agent for descaling is a common practice for the descaling work of the chiller. Therefore, the chiller can completely use the descaling agent for descaling. This is not a problem.

07/19/2020

Safety protection method of chiller compressor

Several safety protection methods for compressors in industrial chillers In industrial chillers, the quality of the compressor determines whether the working efficiency of the chiller is good. At the same time, the compressor also plays an important role in the after-sales maintenance of the chiller. Once a failure occurs, it will improve the company's maintenance of the chiller. Increase in costs. In order to reduce the maintenance cost of the chiller, we recommend the following 4 methods to protect the compressor of the chiller.

06/14/2020

It is so simple to change the oil in a half-sealed piston compressor, can you

It is so simple to change the oil in a half-sealed piston compressor, can you? The semi-hermetic piston compressor must pay attention to the condition of the freezing oil during the first 500 hours of operation

08/02/2020

Summary of parameters and phenomena of air conditioning refrigerationheating system

Summary of parameters and phenomena of air conditioning refrigerationheating system 1. R22 refrigeration working state parameters 　　(1) During summer cooling, the normal low pressure of the refrigeration system is between 0.4～0.59MPa.

07/11/2020

Screw air compressor maintenance

Screw air compressor maintenance 1. Air intake filter The air filter is a component that filters out air dust and dirt. The filtered clean air enters the screw rotor compression chamber to be compressed.

05/09/2022

How to Clean Automobile Solenoid Valve?

Before removing the valve body from the bottom of the transmission, take extra care when removing the flat wire of the external solenoid valve.

07/16/2020

How to clean the rain test box

After using the box-type rain test box, and regular cleaning is a very important work, I believe many customers will not be unfamiliar. The internal cleaning of the box-type rain test box is the top priority. Let's take a look with the editor. Cleaning items of box rain test box:

01/14/2021

compressor! Oscillating compressor: In the usual sense, a rotary compressor uses a jack to push the rotor to work.

compressor! Oscillating compressor: In the usual sense, a rotary compressor uses a jack to push the rotor to work. The biggest disadvantage is that the contact point between the jack and the rotor is prone to aging and wear due to the small contact surfac器2䀀
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07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth