Delta Fan GFB0412EHS8G69

07/24/2020

Central air conditioning water system cleaning method, process and case

When the central air-conditioning circulating water system runs for a long time, some salt deposits, corrosive debris, and biological sludge are often produced in the system. These substances will affect the heat transfer

08/11/2020

Precautions for power distribution of screw chillers

1. After the screw chiller arrives at the customer site, it is necessary to connect the power cord to the unit control cabinet. The inlet of the control cabinet is above the control cabinet.

03/17/2025

Why Heat Pump Compressor Starts Then Stops: Common Causes and Solutions

A heat pump compressor that starts and then stops can be a frustrating and potentially costly issue. A malfunctioning compressor can cause inefficient operation, poor heating or cooling performance, and even complete system failure.

07/07/2020

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

08/09/2022

What is Synchronous Motor

Synchronous motors like induction motors (i.e. asynchronous motors), are a common type of AC motor.

08/20/2020

What is the reason why the air conditioner compressor does not start

Air-conditioning compressors belong to the middle of the air-conditioning refrigeration system. If there is a problem with the air-conditioning compressor, it will directly affect the air-conditioning.

08/15/2020

Precautions during the use of air-cooled refrigerators

Before using the air-cooled chiller, you can carefully count the operating data of the equipment, and then based on these operating data, you can make a basic judgment on the operating status of the equipment,

07/31/2020

HVAC people collect these data, better than ten years of work experience!

HVAC people, we know that the HVAC project contains more systems, the situation is complicated, and most of the pipelines are hidden in the tube wells, walls, and ceilings, so the design process is very complicated, but don’t worry, we can step on the predecessors’ Go forward on your shoulders!

11/27/2023

CPU Fan Replacement HP Laptop with Figures and Detailed Steps

Recently, the HP notebook for personal use prompts that the fan is broken when it is turned on. I decisively placed an order online and bought a replacement fan.

08/12/2020

How to distinguish the quality of copper pipes used in cold storage construction

1. Generally, you need to observe the appearance of the copper tube to judge during the purchase. The first is to look at the color of the copper tube. Different color judgments are made according to the type of copper tube purchased.