HITACHI VFD Frequency Converter NES1-040HBC

08/16/2020

Analysis on the noise of air-cooled chillers

When many users use air-cooled chillers, they usually have no noise problems because they have gone through a comprehensive test at the beginning. However, with long-term use and the user’s failure to maintain it carefully,

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

07/11/2020

Screw air compressor maintenance

Screw air compressor maintenance 1. Air intake filter The air filter is a component that filters out air dust and dirt. The filtered clean air enters the screw rotor compression chamber to be compressed.

07/07/2020

Is the semi-closed screw compressor going up or down The views of these companies coincide

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

08/03/2020

The difference between refrigerant R404A and R507

Refrigerant is also called refrigeration working fluid, which is the blood of refrigeration system. It is called refrigerant, refrigerant or Freon in many places.

07/30/2020

What should be paid attention to to make cold storage more energy-efficient?

1. The index to reduce the unit heat flow of the enclosure structure of the cold storage. In the design of the cold storage, the unit heat flow q of the outer wall of the low-temperature cold storage is generally about 11.63W.

11/22/2022

What are Centrifugal Fans Used for?

The centrifugal fan is a device that relies on the input mechanical energy to increase the pressure of the air and discharge the air.

08/07/2020

What to do if the air conditioner drips Why not try this trick

Every household basically has air conditioners, but dripping of air conditioners is really a big problem. Many people don't understand why the air conditioners are dripping.

06/14/2020

Introduction to screw refrigeration compressors and precautions for use (technical sharing)

Introduction to screw refrigeration compressors and precautions for use (technical sharing) Screw refrigeration compressors and piston refrigeration compressors have the same gas compression method, and both belong to volumetric compressors, which means 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V /펔B䌁皦
ᮔDž'鱤džၜ먢䇨珵呈ᠾ뤂ᐱ⿇⬿먲僧ᐱ㥲ᐲ�僬㣢ᐲᠾ
랖僧ڬ識�僬㣢ᐲ臆S㥲ᐲᬄğ識理艏S杴 識杴 㥲ᐲ

02/26/2025

Air-Cooled Chiller Cooling Fan Problems and Solutions

Air-cooled chillers are one of the very important equipment in modern life, which is widely used in industrial, commercial and domestic environments to reduce and control temperatures in production and life.