CIKACHI Switch NUSS-222

07/07/2020

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

09/10/2025

Why is My AC Compressor Overheating and Shutting off?

The compressor is one of the most important components of your air conditioning system, responsible for compressing the refrigerant and moving it through the system to cool your home.

07/19/2020

Why does the scroll refrigeration compressor reverse? What about reversal?

We know that the operation of the internal compression structure of the refrigeration compressor has a fixed direction. First of all, we need to make it clear: the occurrence of reverse rotation must be unfavorable for the refrigeration compressor.

04/23/2025

Top 10 differences between R410A and R22 refrigerants and the difference between R410A and R22 copper pipes

R22 is the chemical name of difluoromethane, is a member of the Freon family, belongs to the hydrochlorofluorocarbon class.

08/16/2020

Correct disposal method after leakage of ammonia refrigeration system

1. Treatment method of ammonia leakage accident in ammonia compressor 1. After an ammonia leakage accident occurs in the ammonia compressor, first cut off the compressor power supply and immediately close the exhaust valve and suction valve (two-stage

01/08/2021

The relationship between the start of the compressor with liquid and the migration of refrigerant and the solution

The relationship between the start of the compressor with liquid and the migration of refrigerant and the solution One, start with liquid First, let's define what is called liquid start. When the refrigeration unit is in the shutdown state, there is ref器2䀀
ￜ皥
䖒皦즠Ʋ奌ི㲈Ʋ
䌁皦
ᮔDž༬皧奖ིЀ呄ᠾ鹨់༹皧
ࠄ
00령ꐱ댁珵뛐珵Љ
䕄ྦ￿￿뤂ᐱ뚜珵ᴴᏩ呄ᠾ퍘ᒥ鹨់ᩄꋔྦ
瑉浥巠皱㙲皦抐皱巠皱੨皦柘皱ￜ皥
ب巠皱㙲皦忈皱੨皦柘皱
즠Ʋǜ勁皦즠ƲبǜV /펔B䌁皦
ᮔDž'鱤džၜ먢䇨珵呈ᠾ뤂ᐱ⿇⬿먲僧ᐱ㥲ᐲ�僬㣢ᐲᠾ
랖僧Ҡ識�僬㣢ᐲ臆S㥲ᐲᬄğ識理艏S杴 識杴 

09/21/2020

Common physical and chemical properties of lubricants

1 Overview<br></br> Kaifeng Air Separation Group Co., Ltd. has been designing and manufacturing centrifugal compressors for more than 30 years since it started manufacturing centrifugal compressors in 1969.

06/14/2020

Brief introduction Principle and advantages and disadvantages of refrigeration piston compressor

Brief introduction Principle and advantages and disadvantages of refrigeration piston compressor Principle: Rely on the reciprocating motion of the piston to compress the gas in the cylinder. Usually through the crank connecting rod mechanism, the rotary器2䀀
ￜ皥
䖒皦즠Ʋ嫜ི㲈Ʋ
䌁皦
ᮔDž༬皧嫦ིЀ呄ᠾ鹨់༹皧
ࠄ
00령ꐱ댁珵뛐珵Љ
䕄ྦ￿￿뤂ᐱ뚜珵ᴴᏩ呄ᠾ퍘ᒥ鹨់ᩄꋔྦ
瑉浥巠皱㙲皦抐皱巠皱੨皦柘皱ￜ皥
ب巠皱㙲皦忈皱੨皦柘皱
즠Ʋǜ勁皦즠Ʋبǜ

09/24/2025

4 Types of Safety Protection for Refrigeration Compressors (9 Common Protection Devices for Refrigeration Compressors)

When the compressor is running, some abnormal situations may occur, such as: the exhaust pressure is too high, the suction pressure is too low, the oil pressure is insufficient, the motor is overheated

11/12/2024

When You Should Use an Absolute Encoder - Pros and Cons of Different Absolute Encoders

As is known to us, rotary encoders consist of incremental encoders and absolute encoders. And absolute encoders are much more expensive than incremental encoders.