P+F Pepperl Fuchs Sensor GLV18-55-G/25/102/159

07/30/2025

Troubleshooting Loud Server Fans: Causes and Solutions

In the realm of technology, servers serve as the backbone of numerous industries, powering everything from websites to data centers.

06/14/2020

HVAC knowledge

1. The expansion water tank is used in the heating system to store the amount of expansion water after the system is heated. It serves as an exhaust gas in the natural circulation for the lower return system. In addition, it can also function as a constanﰸ2䀀
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06/29/2020

Several causes of compressor burning

06/14/2020

Analysis of common failures and causes of refrigeration compressors

Analysis of common failures and causes of refrigeration compressors The refrigeration compressor is the heart of the entire refrigeration system and the most important in the refrigeration system. Its main role is to compress the low-temperature and low-器2䀀
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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).

05/06/2023

How Water Source Heat Pumps Work

A heat pump is a device that transfers thermal energy from a low-grade heat source to a high-grade heat source. Heat pumps, driven by electricity, usually first obtain low-grade heat energy from natural air, water or soil, and then provide high-grade heat energy.

01/07/2021

The method to identify the failure of the totally enclosed refrigeration compressor is very effective!

The method to identify the failure of the totally enclosed refrigeration compressor is very effective! 1. How to identify the three binding posts on the casing of the hermetic compressor? Running end (R), starting end (S), common end (C), the re器2䀀
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07/18/2020

Calculation formula and calculation guide for industrial chillers

Low-temperature chiller refrigeration system operating conditions and adjustments Nowadays, chillers are widely used in the refrigeration industry, and the refrigeration working fluid is usually R22 (also R404a) and so on. In order to facilitate operation and maintenance and reduce the installation location, the refrigeration compressor

09/03/2020

Commonly used selection marks for compressor lubricants

1) Air-cooled piston shaft output power <20kW, select 32, 46, 100 (ambient temperature <-10 ℃ optional 32) DAA, DAB, DAC air compressor oil;

06/24/2020

Reasons and solutions of refrigerator not cooling

In the use of refrigerators, when there are more or less problems, I believe many people have encountered the reason why the refrigerator at home does not cool. What will you do when you encounter this situation? How much do you know about the reasons for the refrigerator not cooling? What? The following editor will introduce the reasons and solutions for the refrigerator not cooling, I hope to help you.