SUN Overflow Valve RPGC-LWN

08/11/2020

Pay attention to these details. The air energy heat pump can be used for more than 10 years.

In a few months, the northern heating season will officially begin. In addition to central heating, this year's "coal-to-electricity conversion" has also received much attention.

08/24/2020

The principle of dehumidification is very different from dehumidifiers and air conditioners

Spring and summer are always humid and humid seasons in the south, especially in the rainy season. The whole house feels moldy. In the north, house-type problems can easily cause some rooms to be humid.

07/07/2020

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

03/10/2023

Introduction to Three Sorts of Soft Starters

Soft starter, in essence, is a reduced-voltage starter that can control automatically. As it can adjust output voltage arbitrarily, plays a role in current closed-loop control

08/07/2020

The compressor in the factory is frosted! What should I do

It has been really cold in recent days, do the Seven Friends also feel the chill of the approaching New Year? The compressor in the factory works very well! It turned out to be frosted! ! What is going on?

08/05/2020

How to solve the common old problems in the operation of chillers

In the pharmaceutical, food, chemical and other industries, process water cooling is required. The chiller has become a must-choice equipment for many industries.

08/14/2020

Common problems and solutions of liquid refrigerants in refrigeration systems

1. Migration of liquid refrigerant<br></br> 　　 refrigerant migration refers to the accumulation of liquid refrigerant in the compressor crankcase when the compressor is stopped.

03/16/2023

The Installation and Maintenance of Water Pump

1.Check whether the water pump motor is in good condition. 2.Good airtightness should be ensured between water pump and pipeline.

07/24/2020

Air conditioning system fault diagnosis guide (part 2)

This article continues from the previous article: A Guide to Fault Diagnosis of Air Conditioning System (Part 1) During the intense heat, air-conditioning maintains the "life" of some people. People are afraid of heat that they can't live without air-conditioning.

08/20/2020

Use and maintenance of central air-conditioning chillers

At present, central air-conditioning refrigerators are widely used, especially in shopping malls and other places with a large number of people. What are the cooling principles, system classification and maintenance methods of central air-conditioning refﰸ2䀀