Danfoss Compressor SZ300A7XS

07/31/2020

Suggestions on safe and intelligent control of air conditioning and ventilation systems during epidemics

Under the epidemic situation, rework is imminent. We have carefully studied the relevant regulations and guidelines newly implemented in the country during the epidemic period, combined with relevant national regulations,

09/09/2020

The development prospect of air filter

The prototype of the air filter is a respiratory protection device used by people to protect the breath. According to records, as early as the first century in Rome, people used hemp masks for protection when they purified mercury.

01/27/2023

What is a Smart Pressure Transmitter?

The definition of a smart pressure transmitter is arguable. Some people think that smart pressure transmitters refer to those with highway addressable remote transducer (HART) protocol output

09/18/2020

What are mineral oil, semi-synthetic oil and fully synthetic oil What is the difference between them

What are mineral oil, semi-synthetic oil and fully synthetic oil What is the difference between them Mineral oil (MineralLubricant) Mineral oil is a lubricating oil extracted from petroleum. The base oil of mineral oil is the bottom oil left over after the fractional distillation of useful light substances (such as aviation oil, gasoline, etc.) during crude oil refining. Into the product. Essentially, it uses the poorer components of crude oil. Mineral oil is currently the most common type of lubricant on the market.

07/30/2020

11 common problems with refrigeration compressors, do you know these?

Impurities entering the friction surface of the moving parts of the compressor pump body will cause abnormal scratches and wear. Impurities entering the solenoid valve, expansion valve, control valve, capillary tube and stop valve in the refrigerator system will block the valve hole or make the valve close tightly. And fail.

02/22/2024

HVAC Blowing Cold Air in Winter: Reasons ＆ Ways to Fix

Winter is upon us, and there's nothing more uncomfortable than expecting your HVAC system to provide a warm refuge from the cold, only to find it blowing cold air. This unexpected issue can leave homeowners frustrated and chilly.

02/27/2025

Cooling Tower: Components, Working Principle, Types, Applications, and Precautions

A cooling tower is a device that uses the contact between water and air through the process of evaporation to dissipate waste heat generated in industrial or air conditioning systems.

07/17/2020

Five items to pay attention to when using Copeland compressors

Copeland compressors are strictly forbidden to perform pressure test under oxygen, and for nitrogen without safety valve! Improper use will cause an explosion and cause casualties. Some users have already experienced this situation. I hope that all dealers promptly remind the installation personnel and use it as a warning. They must follow the operation process.

06/29/2020

What is the cause of compressor pipeline vibration

06/14/2020

The master disassembles the high-resolution atlas of the refrigeration compressor

The master disassembles the high-resolution atlas of the refrigeration compressor Share the process of dismantling and repairing the refrigerator compressor of a forum master