Danfoss Compressor SH322A9ALA

09/14/2020

Intake valve cannot open fault

Quanzhou failure analysis In Quanzhou in the past two days, I was debugging an air compressor. I encountered such a problem. The unit was operating normally for the first time. However, after shutting down and turning on, the unit was abnormal and could not pump air. At present, it can be guaranteed that the original electrical appliances are normal.

08/02/2024

Sensors and Solenoid Valves on the KOBELCO Excavator Engine: Locations, Error Codes, and Functions

In order to protect the environment, most excavators are now using EFI systems (referring to electronic fuel injection systems).

06/23/2020

How to add air conditioning refrigerant

Turn off the power supply of the air conditioner first; if all the light leaks, then you must evacuate before adding it; find the thick tube under the outdoor unit and add fluorine from here; you need to install the pressure gauge when adding fluorine Generally, it can be stopped at about 5 pressures; the temperature needs to be turned to the lowest when turning on the machine, and observe for about half an hour.

08/31/2020

Talking about the characteristics and main points of air compressor waste heat recovery

With the continuous improvement of the domestic economic level, the corresponding prices of various energy products continue to rise, and energy consumption is critical to the corresponding production and operation of related industrial enterprises.

05/05/2025

What are the Signs of a Bad Refrigerator Compressor?

The compressor is the soul of the whole refrigerator. If the compressor of the refrigerator is faulty, it will lead to the abnormal operation of the refrigerator and affect the cooling effect.

08/21/2020

HVAC people collect these data, better than ten years of work experience!

HVAC people, we know that HVAC engineering includes many systems, the situation is complicated, and most of the pipes are hidden in tube wells, walls, ceilings, so the design process is very complicated, but don’t worry, we can step on the predecessors’ Go on your shoulders!

09/08/2020

Air compressor solenoid valve function

Solenoid valves are the basic components of automation used to control fluids and belong to experimental devices. Solenoid valves are not limited to hydraulic or pneumatic; solenoid valves for air compressors are usually used in industrial control systems to adjust the direction, flow, speed, on-off and Other parameters.

06/29/2020

Several causes of compressor burning

08/20/2020

Frequency conversion energy-saving control method of central air-conditioning water circulation system

The energy consumption of the air-conditioning water system accounts for a large part of the entire air-conditioning system. Therefore, it is of great significance to study the energy saving of the air-conditioning water system.

09/09/2020

The working principle of the oil filter

During the working process of the engine, metal wear debris, dust, carbon deposits and colloidal deposits oxidized at high temperature, water, etc. are constantly mixed into the lubricating oil.