Emerson Nidec Frequency Converter VFD EV2000-4T0185G1/0220P1

08/14/2020

Low-voltage alarm and fault repair methods for precision air conditioners in computer rooms

The low-pressure alarm for the special air conditioner in the data center computer room is a problem we often encounter in daily maintenance. Especially often encountered in winter.

08/19/2025

Heat Pump Making Loud Noise in Cold Weather: Causes and Solutions

When the temperature drops outside, your heat pump becomes an essential part of your home's heating system. While it's common for heat pumps to make some noise during operation, loud or unusual noises can be a cause for concern.

06/14/2020

Danfoss cocuses on providing energy efficient, sustainable and smart refrigeration compressors for a varied range of commercial applications such as cold rooms

08/20/2020

Methods of handling sudden failures of precision air conditioners

1. Leakage treatment steps for precision air conditioning units 　　Leak handling operation precautions: Never destroy the vacuum artificially. If it is not certain that the unit has indeed leaked air into the unit, operation cannot be performed.

08/31/2020

Detection and evaluation of dust removal and nitrogen addition equipment in the food processing field

In the Midwestern United States, most food manufacturing plants use compressed air and on-site nitrogen production to produce and package a variety of foods. When the electricity price is 4.5 cents/KWh, the manufacturer's annual expenditure on the energy consumption of the compressed air system is $430,344.

06/23/2025

What is Configuration Software? - HMI/ MMI/ SCADA

Configuration software is a control system composed of HMI (Human and Machine Interface) / MMI (Man and Machine Interface)/ SCADA (Supervisory Control and Data Acquisition).

08/08/2020

Six common problems of central air conditioning

Six common problems of central air conditioning 1. The dew point temperature of the central air-conditioning machine is normal or low, and the reason for the slow indoor cooling and the solution

09/04/2020

Experts teach you to distinguish six major misunderstandings in the installation and use of inverters and their countermeasures

Today we introduce the six major misunderstandings and countermeasures in the installation and use of inverters. 　　 frequency converter

12/31/2024

Calculation method of weight per meter of air conditioner copper pipe

Calculation method of weight per meter of air conditioner copper pipe Everyone should know something about the air-conditioning copper pipe. The material of the air conditioner copper pipe is copper, which is pure copper.

07/28/2020

Analysis of common failure causes of hermetic refrigeration compressors

. How to identify the 3 terminals on the casing of a hermetic compressor?<br></br> The resistance between running terminal (R), starting terminal (S), common terminal (C), RS is greater than the resistance between SC and RC. The resistance between RS is equal to the resistance between SC and the resistance between RC.