AVC Fan F9733B12H

08/17/2020

How to clean the return air duct of central air conditioning

Today, the editor of okmarts.com mainly introduces some of the most commonly used and basic cleaning procedures for central air-conditioning. I hope it will be useful to everyone!

08/04/2020

The correct method and detailed steps of the cooling system of the computer room

1. The equipment pipes of the refrigeration system must be drained before operation to remove the welding slag, iron filings, sand and other dirt remaining in the system during the installation process.

08/07/2020

Working principle of frequency converter

　Inverters can be divided into voltage type and current type inverters.<br></br> 　　 Voltage type is an inverter that converts the DC of a voltage source to AC. The filtering of the DC loop is a current type that converts the DC of the current source to AŒ

09/10/2020

The high-voltage inverter market has huge potential, expecting technological breakthroughs

The high-voltage inverter has a significant energy saving effect. Without changing the host equipment, only changing the speed can achieve an average power saving effect of 30%. Among them, the average energy saving rate of petroleum system is 38%, petrochemical system 46%, metallurgical system 42%, urban water supply and drainage system 45%, chemical industry System 24%.

02/21/2025

Industrial Heat Pump Dryer: Everything You Need to Know

Industrial heat pump dryers have revolutionized the drying and dehydration process of various products in different industries.

08/22/2025

Rosemount 3144P temperature transmitter FF fieldbus manual!

power supply Rosemount temperature transmitter FOUNDAIION fieldbus uses standard fieldbus power supply. The operating voltage of the transmitter is 9 to 32Vdc with a maximum of 11 mA. The rated voltage at the transmitter end is 42.4V dc, Wiring diagram

06/29/2020

Compression ratio of American Copeland compressor

09/10/2020

Working principle of scroll compressor

Features of scroll refrigeration compressor 1. The pressure difference between two adjacent chambers is small, and the leakage of gas is small.

07/20/2020

Analysis of circuit diagrams of two compressors' phase failure protection

Analysis of circuit diagrams of two compressors' phase failure protection Air compressor phase failure protection circuit Protection circuit diagram Air compressor phase failure protection circuit

11/03/2022

Pros and Cons of 4 Pairs of Electric Motors

According to different structures, working principles, types of operating power, and uses, electric motors can be divided into various types.