Johnson Controls Transmitter HT-9005-UD1

08/11/2020

How to solve various problems such as water leakage, noise, and excessive fluorine leakage of air conditioners

When the air conditioner is in use, there are problems such as water leakage, electric leakage, insufficient cooling and heating, excessive noise, etc., which makes the friends feel particularly heartbroken. Buying an air conditioner to solve this problem and that problem is a headache.

04/12/2024

Servo Motor Applications: a Complete Guide

Servo motors are widely used in various mechanical equipment. It has the characteristics of fast response, high precision and high reliability, and can achieve precise position control, speed control and force control.

06/14/2020

Working principle of York screw compressor

Working principle of York screw compressor Working principle of York screw compressor, screw compressor is a volumetric compression machine with working volume for rotary motion. The compression of gas depends on the change in volume, and the change in v器2䀀
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07/26/2020

Precautions for using R410A refrigerant in air conditioner

The types of refrigerating machine oil (lubricating oil) are roughly divided into mineral oil and synthetic oil according to the use of refrigerant. The lubricating oil of R22 refrigerant currently used is basically mineral oil. R410A refrigerant uses synthetic oil.

08/20/2020

Frequency conversion energy-saving control method of central air-conditioning water circulation system

The energy consumption of the air-conditioning water system accounts for a large part of the entire air-conditioning system. Therefore, it is of great significance to study the energy saving of the air-conditioning water system.

09/11/2020

Comparison of ball bearings and roller bearings

Comparison of ball bearings and roller bearings From the point of view of the contact with the raceway: Ball bearings are in point contact, and the contact surface is ellipsoid; while roller bearings are in line contact, and when force is applied, the contact surface is square.

04/21/2022

Six Level Measuring Instruments and Relative Merits?

Float level meter is an instrument of measuring liquid level based on buoyancy principle. Usually, the combination of floating ball and scale enables the observer to intuitively read the height of liquid level.

02/11/2025

What is a Hermetic Compressor? Understanding the Basics

hen it comes to refrigeration systems, a crucial component is the compressor. This is the part that compresses the refrigerant and moves it through the system, allowing for heat transfer and ultimately creating the cooling effect.

08/11/2025

Cooling Towers: Operation Methods, Maintenance ＆ Usage Precautions

Cooling towers are critical equipment used in industrial and commercial areas to cool fluids. In order to ensure its effective operation, increase its lifespan and maintain safety, correct operation methods, maintenance and upkeep knowledge, and usage precautions are crucial. In this article, we will delve into these aspects.

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