KOYO HMI EA7E-TW7CL-C

08/24/2020

Very strange Why does the air conditioning and refrigeration suddenly malfunction

Commonly used home appliances like air conditioners are very common in our lives, but in the process of use, large appliances such as air conditioners often have one or another failure.

07/10/2020

Hitachi

Hitachi original place：Japan Brand introduction: Hitachi was established in 1910. In the industry, it is a diversified enterprise integrating household appliances, computer products, semiconductors, industrial machinery and other products.

08/25/2020

How to calculate the power consumption of central air conditioning

In summer, every household will turn on the air conditioner, so how is the power consumption of the central air conditioner calculated? This is also related to the air conditioner's horsepower, cooling capacity, compressor power, and temperature difference between indoor and outdoor.

09/13/2023

Hydronic Heat Pump Explained (Definition, Working Principle, Pros and Cons)

Hydronic heat pumps are a type of heat pump that are becoming increasingly popular in residential and commercial settings. They offer a number of advantages over traditional heating and cooling systems, including increased efficiency, reduced energy costs, and improved air quality.

03/14/2021

Maintenance of servo drive

1.Maintenance of operating environment of servo driver In order to prolong the service life of the servo driver, the following problems should be paid attention to in the process of use. Temperature, humidity, dust, vibration, input voltage and other factors should be considered for the system environment.

08/11/2020

Maintenance knowledge and failure methods of small combined cold storage

Maintenance knowledge and failure methods of small combined cold storage:<br></br> 　　 1. The cold storage door is not closed tightly. Please adjust the hinge on the door and the distance between the door lock and the storage body.

06/29/2020

Several causes of compressor burning

08/14/2020

Bell mouth connection method of air conditioning and refrigeration equipment

The connection requirements of the bell mouth of air conditioning and refrigeration equipment are very high. From the perspective of maintenance of fluorine deficiency and leakage, the problem of the bell mouth connection is the most.

09/09/2020

Faced with a huge stock market, air compressor agents should be willing to change

At present, the continuous sluggish air compressor market has put pressure and crisis on all links of the entire industry chain, the inventory pressure of manufacturers, the pressure of livelihoods of first-line users, and the pressure of inventory, livelihood and debt of intermediate agents!

11/13/2024

Heating, ventilation and air conditioning systems (HVAC) working schematic and construction animation demonstration

Air-conditioning animation, wind system and water system can be understood at a glance! First, let's take a few professional and traditional central air conditioning systems 1.Water cooling unit +AHU/FCU