Danfoss Compressor SH675A9ALT

08/09/2020

How to debug the small cold storage during installation

1. Installation technology of expansion valve for small cold storage 　　 1. Check whether the temperature sensor is in good condition before installation; 　　2. The installation position of the expansion valve must be close to the evaporator, and the valve body should be installed vertically, not inclined or upside down;

06/14/2020

The reason for the frost on the compressor air inlet is here!

The reason for the frost on the compressor air inlet is here! Frost on the air inlet of the cold storage compressor is a very common phenomenon in the refrigeration system. Under normal circumstances

06/14/2020

Danfoss cocuses on providing energy efficient, sustainable and smart refrigeration compressors for a varied range of commercial applications such as cold rooms

09/07/2023

Variable Speed HVAC: Everything You Need to Know

Heating, ventilation, and air conditioning (HVAC) systems play a crucial role in ensuring comfort and air quality in homes and commercial buildings. In recent years, there has been a growing interest in variable speed HVAC systems due to their energy efficiency and improved comfort levels.

01/04/2023

Parameters of the Solenoid Coil

The solenoid coil is tightly wrapped up on a core to form a solenoid. The main parameter of the solenoid coil is the size of the inductance.

10/14/2025

Differences between a Contactor and a Relay

The contactor and the relay are all control devices used in electric circuit. But they cannot replace each other. The followings are the main differences between the two.

08/07/2020

How to realize the variable flow regulation of the circulating water pump in the heating system

After heating metering and charging, the radiators are equipped with temperature control valves. Due to the regulating effect of the temperature control valve, the heating system changes from constant flow (that is, quality adjustment) operation to variabŒﰨ2䀀湠疌

06/24/2020

What to do if the refrigerator does not cool in winter

1.If it is because of the weather, you need to change the refrigerator to another location. 2. When used in winter, you can turn on a compensation switch in the refrigerator. 3. It is necessary to check whether the compressor is damaged. 4. If the modulation gear is incorrect, you can adjust the gear higher. 5. If the refrigerant is not enough, the problem of non-refrigeration can be solved after the fluorine content is added.

05/16/2025

Compatibility Error Between Fuji HMI and Siemens PLC and the Solutions

With the development of computer network and fieldbus technology, PLC and HMI are widely used in industrial control and building automation.

10/31/2023

Understanding Inverter Air Conditioners: Efficient Cooling for Modern Living

As technology continues to advance, so does the efficiency and functionality of our everyday appliances. One such innovation in the field of air conditioning is the inverter air conditioner.