Copeland Compressor 3DJ3A075E-TFE

07/26/2020

Why is your air conditioner not effective in heating What are the factors

The Central Meteorological Observatory issued a blue warning for cold wave, and there is about to be a cooling rain across the country, and the temperature across the country will drop by 10 to 12 degrees, with a local drop exceeding 15 degrees!

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

08/26/2024

Common Heat Pump Failures: Cause Analysis

a. The room is too large or the doors and windows are open. Please close the doors and windows tightly.

09/09/2020

What are the benefits of oil-free screw air compressors

What are the benefits of oil-free screw air compressors? How to use oil-free screw air compressor? What are the benefits of using an oil-free screw air compressor?

03/21/2024

DC Servo Motor: Working Principle, Pros ＆Cons, Speed Adjustment Methods and Application

DC servo motor is a high-precision, high-speed, high-reliability motor that is widely used in various industrial fields. It controls the motor speed and position through a closed-loop control system, which can achieve extremely high motion control accuracy.

09/14/2020

Smart vortex flowmeter

1. Function introduction: On-site LCD meter display, real-time temperature, real-time pressure, instantaneous flow, flow accumulation, temperature and pressure compensation function, when measuring gas and steam, check the meter according to the measured temperature and pressure to ensure compensation The flow rate is not affected by temperature and pressure changes,

10/21/2023

Why Does My AC Keep Freezing Up at Night?

During the hot summer months, a well-functioning air conditioning (AC) system is crucial to maintaining a comfortable indoor environment. However, if your AC keeps freezing up at night, it can be a frustrating and perplexing problem.

03/02/2021

Connection between Arduino and servo motor

The connection of the servo motor using Arduino is as follows: Connect the black wires on the two servo motors to the GND on the Arduino Connect the red wires on the two servo motors to the 5V pin on the Arduino Connect the yellow wire on the first motor to pin 8 on the Arduino

08/03/2020

The reaction characteristics of air-conditioning refrigerant and air are the culprit of compressor explosion!

Recently, the news reported that air conditioners and refrigerator compressors exploded, causing serious injuries to installation and maintenance workers. So I searched and sorted out some related materials for everyone to learn and use.

08/16/2020

Precautions for use and installation of industrial chillers and refrigerators

1. Installation method 　　 (1) The industrial chiller should be installed directly on the horizontal surface, please do not install it upside down, diagonally or vertically.