Danfoss Compressor SH482B4AAO

07/17/2020

How to clean the central air conditioning system

Many companies need the central air conditioner of the all-in-one machine to cool the equipment. If the equipment takes a long time or if one of the accessories in the system is broken, we need to replace it. If the equipment is used for a long time, many impurities will remain in the system.

08/21/2020

Trouble phenomenon the air conditioner is not cooling, the outdoor unit starts and stops frequently

When the air conditioner is frequently used in summer, many friends will encounter this problem, that is, the outdoor unit of the air conditioner frequently starts and stops, but the indoor unit is not cooled.

06/29/2020

How the compressor works

11/29/2024

Performance comparison of Mitsubishi, Hitachi and Daikin compressors

Compressor Daikin: domestic compressor, produced by Gree Mitsubishi: The original parts are imported! Won multiple energy-saving awards! Hitachi: Hitachi central air conditioners sold domestically are produced by Qingdao Hisense Hitachi Air Systems Co., Ltd.,

08/24/2020

Do cold storage maintenance, you must understand this knowledge!

1. "Three Preventions" of the Refrigeration System 　　 1. Prevent the evaporation temperature from being too low 　　 The increase in the temperature difference between the evaporating temperature and the warehouse temperature will make the evaporating temperature too low

04/17/2023

14 Common Ice Maker Problems and How to Fix Them

An ice maker is a mechanical device that can cool water into ice through a refrigeration system. The ice made can be used for cooling food, and can also be used in the cooking process of food to increase the flavor and taste of food.

07/20/2020

Six aspects of repair and maintenance of refrigeration compressors in cold storage

A. During the initial operation of the cold storage unit, carefully observe the oil return of the compressor and keep it clean. If you find that the oil level is not clean enough or if the oil level drops, you should add oil or replace it with new oil in time. This can avoid poor lubrication

08/15/2020

Causes and solutions of central air conditioner's air volume and noise failure

Causes and solutions of central air conditioner's air volume and noise failure 1. The dew point temperature of the machine is normal or low, and the reason and solution for slow indoor cooling.

07/29/2020

Causes of air-conditioning noise and treatment methods

Definition of noise:<br></br> 　　1. The definition of noise: From the perspective of physiology and psychology, it refers to all the sounds that people don't need. From an industrial point of view, the sounds emitted by products are noise.

07/31/2020

Apply these 5 parameters to easily determine whether the refrigeration and air conditioning system is operating normally!

Condensing pressure is the pressure at which the refrigerant condenses into liquid in the condenser. Since the pressure inside the condenser in the refrigeration system cannot be measured, in fact, the pressure drop of the refrigerant in the exhaust pipe and the condenser is actually very small.