Holip VFD Frequency Converter HLPB0D7523

06/14/2020

Heating principle

Heating principle

08/06/2020

Basic knowledge of air source heat pump

Brief introduction of heat pump<br></br> 　　 There are many applications of pumps in daily life. The pump is a device to increase the potential energy. There are water pumps, air pumps, oil pumps, etc. according to different uses.

08/02/2020

The working principle of screw compressor and comparison of fully enclosed, semi-closed and open type

Compared with reciprocating piston refrigeration compressors, screw refrigeration compressors have a series of advantages such as high speed, light weight, small volume, small footprint and low exhaust pulsation.

09/03/2020

Energy-saving storm swept the pharmaceutical industry, air compressor transformation is imperative

In the current implementation of energy conservation and environmental protection policies and concepts, the pharmaceutical industry also pays attention to low energy consumption, resource conservation and lower production costs in the operation process.

06/17/2025

How to Make a Fan Blow Cold Air?

In summer, in some specific places, or some economically constrained families, people have no air conditioning but only fans. When it’s especially hot, some people find that the fan wind gets hotter and hotter, which can't cool at all.

06/29/2020

What is the cause of compressor pipeline vibration

09/10/2020

Analysis on the New Trend of Chinese Inverter Compressor Technology Development

In 1978, Japanese air-conditioning companies put forward the concept of inverter air conditioners. Because inverter air conditioners have many advantages, they soon entered the families of developed countries.

08/20/2020

Don't blindly repair the refrigeration compressor if it fails to contact the manufacturer is the best policy

The environmental temperature and humidity test box is mainly used for product temperature, humidity alternating and high and low temperature rapid alternating cycle tests, and its purpose is to detect the reliability of products under high and low temperature impact tests.

05/30/2023

Why Does My AC Compressor Turn on and off Repeatedly?

Under the control of the thermostat, generally the air conditioner will stop working when it reaches the set temperature. For example, when the indoor temperature is 35 °C, you turn on the air conditioner and set it to cooling mode

10/27/2025

Troubleshooting a Heat Pump Fan Not Spinning (Outdoor Fan): Causes and Solutions

A heat pump is a reliable and energy-efficient HVAC system that provides both heating and cooling for your home. However, like any mechanical system, heat pumps can encounter issues from time to time.