Donaldson Filter P502009

08/21/2020

What are the hazards caused by the air entering the condenser of the freezer

The handling of water-cooled chiller failures must strictly follow scientific procedures. The chiller operator should not act without authorization and disassemble the water-cooled chiller at will when the situation is unclear,

08/17/2020

Analysis of four major technical schemes of cold storage ammonia to fluorine system

According to the characteristics of different primary ammonia refrigeration systems, building structure, insulation characteristics, use requirements (such as in the logistics cold storage, does not affect normal business storage)

07/05/2020

Full analysis of high-temperature burn-down failure of scroll compressor

Full analysis of high-temperature burn-down failure of scroll compressor Scroll compressor overheating at high temperature for a long time will not only reduce the insulation performance and reliability of the motor, shorten the life of the motor, but also reduce the lubricating ability of the lubricating oil, and even cause carbonization and acid hydrolysis of the lubricating oil.

08/12/2020

Operation method of air discharge in refrigeration system of industrial chiller

Air is a non-condensable gas, which means that air will not condense into liquid at ordinary low temperatures. If air is mixed into the refrigeration system of an industrial chiller, it will affect the heat dissipation of the condenser and increase the co¨ﰨ2䀀湠疨V

08/26/2020

【Special topic】Summary and development of scroll refrigeration compressor technology

　1. There is no reciprocating mechanism, so the structure is simple, small in size, light in weight, few parts (especially few wearing parts), and high reliability;

01/15/2021

dafoss low-pressure

Differential setting on low pressure control too low. Solution: Area Low pressure System Part Compressor Symptom Compressor running time too short Potential Cause Differential setting on low pressure contol too low. Solution Increase the differ器2䀀

08/09/2020

Leak detection, drainage, and vacuum operation methods of the refrigeration system in the computer room

The refrigeration system is indispensable for the computer room. Leak detection, sewage discharge, and vacuuming in the refrigeration system protect the refrigeration system so as to prevent the dirt in the system from entering the compressor and throttle valve

01/09/2023

What is a Refrigeration Solenoid Valve?

The refrigeration solenoid valve is a valve that controls the automatic opening and closing of the refrigerant in the refrigeration system.

07/19/2024

Gas Solenoid Valves: Common Faults and Troubleshooting Methods

The gas solenoid valve is an important device used to control the flow of gas. It is widely used in household gas stoves, gas water heaters, wall mounted boilers and other equipment.

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth