NEC Relay EB2-5SNU

06/14/2020

What are the common problems of central air conditioning compressors?

As far as central air conditioning is concerned, the most important component is the compressor. It is equivalent to the "heart" of the air conditioner. If there is a problem with the compressor, the central air conditioner will stop running. Therefore, w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

05/12/2025

A Complete Guide to CPU Liquid Coolers: Composition, Working Principle, Types, and Pros and Cons

With increasing requirements for computer hardware and operating speed, there are higher and higher requirements for the cooling performance of computers.

12/25/2021

Japanese Giant Mitsubishi Heavy Industries Goes Into Central Air Conditioners for Home Use

In recent years, it’s probably difficult for people to choose between central air conditioners and split air conditioners for home use. In fact the time that central air conditioners are used for home refurbishing is not long yet.

06/14/2020

Note! Seven mistakes in the maintenance of refrigeration equipment

Many refrigeration maintenance masters, seeing the internal leakage of the refrigerator, will directly add the condenser net without pressure, and it will not leak again for a long time. It turns out that it is the evaporator of the refrigerator compartme器2䀀
ￜ皥
䖒皦즠Ʋ煔क़㲈Ʋ
䌁皦
ᮔDž༬皧煞क़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ښ識�僬㣢ᐲ臆S㥲ᐲᬄğ識理艏S杴 識杴 㥲ᐲ

05/27/2024

EGR Valve Failure Symptoms: How to Diagnose and Address

The Exhaust Gas Recirculation (EGR) valve is a critical component in modern vehicle engines, playing a pivotal role in emissions control and engine performance. However, like any mechanical part, the EGR valve is susceptible to wear and failure over time.

07/07/2020

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

09/11/2022

Servo Motor vs Stepper Motor: Comparison from 9 Aspects

Like servo motors, stepper motors are equipped with mechanisms that control the angle of rotation by receiving external signals.

08/09/2020

Can the air conditioner compressor be repaired if it is broken How much does it cost to repair the air conditioner compressor

Guide: Can the air conditioner compressor be repaired if it is broken? How much does it cost to repair the air conditioner compressor?

07/14/2020

The role of the compressor

The role of the compressor The compressor is the power core of the refrigeration system of the air conditioner. It can inhale the low-temperature and low-pressure refrigerant vapors to increase the temperature and pressure,

06/14/2020

Advantages of scroll refrigeration compressor

1. There is no reciprocating mechanism, so the structure is simple, small size, light weight, few parts (especially few wearing parts), and high reliability; 2. The torque change is small, the balance is high, the vibration is small, the operation is staﰸ2䀀
ￜ皥
䖒皦즠Ʋ娼ི㲈Ʋ
䌁皦隆
ᮔDž༬皧婆ིЀ呄ᠾ鹨់༹皧
ࠄ
00븹먱댁珵理뛐珵Љ
䕄ྦ￿￿뤂ᐱ變뚜珵ᴴᏩ呄ᠾ퍘ᒥ鹨់變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džቜ먢䇨珵呈ᠾ뤂ᐱ⷇⬿먲僧ᐱ靖㥲ᐲ�僬㣢ᐲᠾ
靖랖僧ࢾﯼ靖�僬㣢ᐲ臆S㥲ᐲᬄğﯼ戴ﯤ艏S練杴 ﯼ杴 㥲ᐲ﯌蒠Sﯼﰸ ﲨ囬ᐱ囸ᐱ嵭僦㠦ᐲᔇ僦囸ᐱﭰ廼僦囬ᐱᙐ僦㠲ᐲ嵥僦ﲨᙧ僦㠲ᐲﮨᙐ僦㣮ᐲ嵭僦ﯴᙧ僦㣮ᐲ﯄톺珵㥲