B&R Module 3IF060.6

08/14/2020

Low-voltage alarm and fault repair methods for precision air conditioners in computer rooms

The low-pressure alarm for the special air conditioner in the data center computer room is a problem we often encounter in daily maintenance. Especially often encountered in winter.

04/09/2024

9 American Servo Motor Manufacturers

The following introduces the relatively famous servo motor manufacturers in the United States. Hope it will be helpful for you to understand the servo motor brands and servo product selection.

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

07/05/2020

Hitachi heat pump compressor

Does the compressor not start related to the four-way valve? There is no relationship between the compressor does not start and the four-way valve. Therefore, when the four-way valve coil is damaged, it will not cause the air-conditioning compressor to fail to start normally, nor will the compressor start normally after the good four-way valve coil is replaced.

08/04/2020

How to accurately choose the power cord of the refrigeration equipment

The installation of refrigeration equipment is a very rigorous work, and its installation situation will affect the work of the machine to a large extent.

03/28/2025

Comparison of advantages and disadvantages of dry evaporator and flooded evaporator

The refrigerant of the dry expansion evaporator evaporates in the tube. The superheat at the outlet end of the evaporator is usually about 5 to 10K. The expansion valve uses the superheat detected by the temperature sensor to adjust the refrigerant flow r碌7館2䀀締眪湠眷V

08/09/2020

How to maintain the chiller regularly

The chiller has been an indispensable part of plastics, electronics, chemicals, food preservation, ink printing, pharmaceuticals, and machinery supporting industries. Its main function is to provide chilled water for equipment products to achieve the purpose of cooling.

08/03/2020

The reaction characteristics of air-conditioning refrigerant and air are the culprit of compressor explosion!

Recently, the news reported that air conditioners and refrigerator compressors exploded, causing serious injuries to installation and maintenance workers. So I searched and sorted out some related materials for everyone to learn and use.

08/16/2020

Precautions for the use of air conditioning box filters need to pay attention to three points

The air-conditioning box filter is an indispensable part of air-conditioning equipment. It mainly purifies the pollution in the air and prevents dust from entering the air-conditioning and affecting the use of the equipment.

07/07/2020

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