PIZZATO Switch FR E108-M2

08/09/2020

Improper use of air conditioning heating function will burn out the motor!

With the gradual decrease in temperature, various household heating appliances have come in handy. However, with the increase in frequency of use, the phenomenon of air conditioning not heating has begun to occur.

04/13/2022

How to Unclog Expansion Valve?

In the air conditioning and refrigeration system, the blockage fault of expansion valve often occurs. The general blockage faults mainly include "ice blockage" and "dirty blockage".

06/14/2020

What are the possible reasons for the noise of the air-conditioning compressor

     Compressor noise control is an extremely complex problem. What are the possible reasons for the noise of air-conditioning compressors? Only when the cause is found can the solution be found accordingly.

08/05/2020

You have to understand these problems about the oil return of refrigeration compressors!

The oil return of refrigeration compressors has always been a hot topic in refrigeration systems. Today, I will talk about the oil return of screw compressors. Generally speaking

08/02/2020

How to use refrigerant to empty the air conditioner after installation

Air, moisture and impurities contained in the air will cause pressure increase, current increase, noise increase, and power consumption increase in the air conditioner system, which will reduce the cooling (heat) capacity, and may also cause ice blockage and dirty blockage.

09/11/2020

Maintenance of screw air compressor

1. Maintenance of intake air filter element. The air filter is a component that filters out air dust and dirt. The filtered clean air enters the compression chamber of the screw rotor for compression. Because the internal clearance of the screw machine only allows particles within 15u to filter out.

08/25/2020

The cleaning and maintenance of the chiller is of great care in autumn and winter!

How to ensure the normal operation of our chiller equipment in the cold winter? Now I will explain to you the relevant precautions and maintenance methods of the chiller when the ambient temperature is harsh in winter.

08/03/2020

14 moving pictures show various air-conditioning compressors, hurry up and collect them

The compressor is the low pressure gas<br></br> A driven fluid machine that is upgraded to high-pressure gas. It is the heart of the refrigeration system and provides power for refrigeration.

06/25/2025

Common Types of Refrigeration Compressors: A Comprehensive Guide

When mentioning refrigeration, everyone in this modern world may be familiar with it. People's daily use of air conditioners, refrigerators, whether small household or large commercial ones, are refrigeration appliances.

07/07/2020

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