HONGFA Relay HFD42-5-3SR

09/09/2020

Industrial bearing knowledge

Structural features 　　Bearing seat: The bearing seat is made of cast iron with heat sink on the surface. The mating surface of the bearing seat and the bearing bush is spherical. Bearing seats are divided into two types: insulated and non-insulated.

08/02/2020

From the perspective of horsepower and energy efficiency ratio, central air conditioners should be selected like this!

The choice of central air conditioner for decoration has become a market trend. How to choose a suitable central air conditioner, choose a duct machine or a multi-line group

08/09/2020

Use air conditioning in winter to save electricity

Use air conditioning in winter to save electricity<br></br> Do not turn on the electric auxiliary heating function<br></br> 　　Many air conditioners have electric auxiliary heating function, so how useful is this function and does it cost electricity?

07/26/2020

There are 8 main reasons for the burning of air-conditioning compressors!

The air-conditioning compressor is the key component of the air-conditioning unit. The 8 main reasons for the air-conditioning compressor burnout are as follows:<br></br>

08/21/2020

Useless for a lifetime. Dehumidification and refrigeration of air conditioners are completely different!

This summer, the heavy rain that has come in New York caught many friends off guard, and the humid and sultry weather made the big guys complain. A small partner told the author that at this time, dehumidification is enough. The air conditioner does not need to be cooled. principle of refrigeration of central air-conditioning chillers

06/28/2020

Compressor-Hitachi Inverter Compressor

From the current development trend of refrigeration compressors, in order to make it compact, efficient, energy-saving and low vibration and low noise, it has become the goal that air-conditioning compressors continue to pursue in manufacturing technology. Its role is mainly manifested in the following points: compressor

09/08/2020

Energy-saving way of air compressor inverter

The energy-saving measures for frequency converters mainly reflect the use of current fans, pumps, and hoists. In order to ensure the reliability of production, all kinds of production machinery have a certain margin when they are equipped with power drives.

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

02/14/2025

How to Add Oil to Semi-Hermetic Compressor: A Step-by-Step Guide

If you work in the refrigeration or air conditioning industry, you know how important it is to keep your compressors properly lubricated.

06/29/2020

Compression ratio of American Copeland compressor