Danfoss Compressor SH301A6ACI

08/18/2020

Causes of oil running of chillers and their solutions

During the commissioning of the chiller, I encountered the oil running of the unit many times. Most of the units with this problem used a flooded evaporator. Today, the editor of okmarts.com

05/19/2022

PLC Analog Input

PLC analog inputs usually use voltage signals in the range of 20 volts and current signals in mA. Each PLC manufacturer has I / O modules to process these types of signals

08/29/2022

4 Common Types of Circuit Breakers

The circuit breaker is an automatic device for stopping the flow of current in an electric circuit as a safety measure.

09/20/2020

Noise life

For household appliances bearings, the bearing load is very small and the bearing life is very long. However, after a certain period of operation, the bearing will also cause wear, increased vibration and noise, and deterioration of grease.

06/20/2020

How to properly clean the air conditioner yourself

After a winter of inactivity, the air conditioner that has been "dusted" for a long time is reactivated. It is believed that most of the friends are directly plugged in and turned on. In fact, this is not correct. <img src="{{media url=&quot;How_to_properly_clean_the_air_conditioner_yourself.jpg&quot;}}" alt="" /> It is necessary to know that the air conditioner has accumulated dust and breeds bacteria after being left for a long time. Blowing out with the wind seriously threatens your health. This is actually due to the working principle of the air conditioner: when cooling, the room temperature air is continuously sucked in, filtered by the filter, and then cooled by the fins of the heat exchanger, and finally the cold air is blown out, and then returned to the room for reciprocating circulation.

07/26/2020

Why is the refrigeration compressor always overheating protection?

Compressor overheating protection means to protect the compressor motor from being burned. When the motor temperature or the compressor's own temperature exceeds a certain value, some built-in or external protection devices are used to disconnect the compressor's working power supply to achieve protection The role of the compressor.

06/29/2020

Compression ratio of American Copeland compressor

06/22/2022

10 Common Types of Transformer?

You might have come across various types of transformers in your daily life either knowingly or unknowingly. Different types of transformers are explained in brief in this article.

10/17/2025

VFD Troubleshooting: 10 Simple Methods to Master

At present and in the future, the maintenance of the electrical control equipment, VFD (Variable Frequency Drive) will become the professional knowledge that all electricians need to master.

08/20/2020

What are the preparations before starting the chiller

Water chiller is an energy-saving machine that achieves cooling effect through vapor compression or absorption cycle. Chillers are called cooling water circulation machines, also called chillers,