Toho Temperature Controller TTM-005S-R-A

09/05/2020

What are the advantages and disadvantages of permanent magnet synchronous motors, and what are the developments

Compared with traditional induction motors, permanent magnet synchronous motors have unique performance. Mainly introduce the characteristics of permanent magnet synchronous motors, and analyze the research status and development trends at home and abroad.

08/11/2020

Why is the duct air conditioner not a central air conditioner

Many people think that the air duct machine is also a central air conditioner. Strictly speaking, this understanding is actually wrong. Ducting machine is the abbreviation of concealed air conditioner. It can also be called air-conditioning ducting machine or ducted air-conditioning.

08/18/2020

Causes and solutions for low energy efficiency of air energy heat pump units

Air-energy heat pump water heaters are generally used in large places such as hotels, schools, hospitals, bathing centers, etc. Most of them require 24 hours a day to provide hot water.

06/29/2020

Compression ratio of American Copeland compressor

09/04/2020

Air compressor inverter will overheat The reasons and measures are here

The high temperature in summer often causes high temperature failure of the air compressor. At the same time, for the air pressure of the frequency conversion control, it is easy to cause the high temperature problem of the air compressor frequency converter.

07/30/2020

What should be paid attention to to make cold storage more energy-efficient?

1. The index to reduce the unit heat flow of the enclosure structure of the cold storage. In the design of the cold storage, the unit heat flow q of the outer wall of the low-temperature cold storage is generally about 11.63W.

09/08/2020

Advantages and disadvantages of closed motor and open motor of air compressor

Air compressor enclosed motor: Protection grade: IP44, IP54, IP55 　　 Advantages: 　　1) Wide application range. The air compressor driven by a closed motor can be used in places with poor environment. For example, there is a lot of dust and the fibers are flying. Factories and mining industries with corrosive gas and other surrounding areas.

06/14/2020

Refrigeration compressor overheat failure analysis

Refrigeration compressor overheat failure analysis The main reasons for the exhaust temperature overheating are as follows: high return air temperature, large motor heating capacity, high compression ratio, high condensation pressure, and improper refrig器2䀀

08/05/2020

How to solve the common old problems in the operation of chillers

In the pharmaceutical, food, chemical and other industries, process water cooling is required. The chiller has become a must-choice equipment for many industries.

05/01/2022

How to Judge The Model of AC Contactor?

Contactor is the most basic and common electrical component in relay control system. It is mainly used to connect and disconnect lines, or frequently control the operation of motors and other equipment.