VECTOR Transmitter 40-300197

07/07/2020

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

08/11/2020

Which three points should refrigerating machine manufacturers pay attention to when doing air tightness test

After the assembly of each refrigeration unit is completed, a series of tests are required to ensure the safe and stable operation of the unit, and there is an air tightness test. So, what should the refrigerator manufacturer pay attention to when doing the air tightness test?

08/30/2020

Development status and prospects of compressed air energy storage technology

Introduction 　　 Energy storage technology is an urgent need to solve the large-scale access of renewable energy and improve the efficiency, safety and economy of conventional power systems and regional energy systems.

07/30/2020

How important is the installation environment of the refrigeration unit Doing these 4 points is enough!

The refrigeration equipment (compressor unit) is installed in the machine room, and the surrounding environment should be maintained:<br></br>

08/18/2020

How to solve the low cooling efficiency of low-temperature chillers

When the low-temperature chiller has a poor cooling effect, it means that the equipment is in high-efficiency operation, but there are very few cold sources, which cannot meet the actual needs of the company for a low-temperature environment.

08/20/2020

Refrigerant recovery method of industrial chiller

In the repair or maintenance process of industrial chillers, it is necessary to recover the refrigerant to facilitate subsequent repairs and maintenance.

08/20/2020

Why does the air conditioning system need to be processed to eliminate noise

In addition to the air-conditioning engineering requirements for temperature, humidity, wind speed, and air cleanliness, the vibration and noise of air-conditioning equipment (fans, chillers, water pumps, cooling towers, etc.)

07/10/2020

Hitachi Compressor Features

Hitachi Compressor Features Fewer parts The compression structure of a scroll compressor consists of only five main parts. Lower vibration/noise Fixed crankshaft structure and large enough exhaust buffer structure to reduce vibration and noise

06/14/2020

Can an inverter air conditioner achieve first-class energy efficiency without an electronic expansion valve

Can an inverter air conditioner achieve first-class energy efficiency without an electronic expansion valve Inverter air-conditioning units do not use electronic expansion valve throttling, their own operational safety will deteriorate, and there is no w器2䀀
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09/06/2020

Low-pressure conveying oil-free screw air compressor

Application of low pressure conveying oil-free screw air compressor: Pneumatic conveying power: the power source for pneumatic conveying of powdered or granular materials such as flour, sugar, salt, grain, chemical particles, cement, coal powder, mineral powder, etc.