HITACHI Fan VB-020-E4

08/24/2020

Teach you ten major inspection standards to see the pros and cons of air conditioners

The hot summer is approaching the peak season for air-conditioning sales and the peak period for consumers to purchase air-conditioners. Many small partners are often at a loss when faced with the variety of products on the market.

07/28/2020

Analysis of common failure causes of hermetic refrigeration compressors

. How to identify the 3 terminals on the casing of a hermetic compressor?<br></br> The resistance between running terminal (R), starting terminal (S), common terminal (C), RS is greater than the resistance between SC and RC. The resistance between RS is equal to the resistance between SC and the resistance between RC.

05/23/2025

How to select the thermal expansion valve？

1. The role and classification of expansion valves<br></br> Expansion valve is an important part of refrigeration system, generally installed between liquid storage cylinder and evaporator. The expansion valve causes the medium temperature and high pressure liquid refrigerant to become low temperature and low pressure wet vapor through its throttling, and then the refrigerant absorbs heat in the evaporator to achieve the cooling effect.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

06/27/2022

How to Test an Encoder with a Digital Multimeter

A basic multimeter can be utilized to measure the encoder’s parameters. Bear in mind that a digital multimeter can measure the average duty cycle, frequency, peak voltage, and average voltage of an encoder.

07/08/2020

Global Piston Compressor Market 2020 – Ariel, Siemens, Atlas Copco, Kobelco, Burckhardt Compression, Ingersoll Rand, Howden, Hitachi, Shenyang Yuanda

Post dateJuly 7, 2020 Global Piston Compressor Market report delivering key insights and providing a competitive advantage to clients through a detailed report. The rapidly changing market scenario and initial and future assessment of the impact is covered in the report. The report contains pages which highly exhibits on current market analysis scenario, upcoming as well as future opportunities, revenue growth

08/24/2020

Multi-online display FC, FL, FE fault processing method

1. Failure display and phenomenon: Outside machine LED3 double 8 indicator light is on and displays: FC, FL, FE. When the indicator light of the external mainboard and the line controller fail, the following figure will be displayed:

08/11/2020

Selection of cold storage electrical control system and other design considerations

Selection of cold storage electrical control system and other design considerations<br></br> The refrigeration electrical control system is a necessary condition to ensure that the cold storage always automatically works within the set range. Its main work flow includes:

08/13/2020

Several methods of adding refrigerant for household central air-conditioning

Do you know how to add refrigerant to the central air conditioner? Let’s take a look with the editor today!<br></br> 　　1, observation method

07/07/2020

Overnight, refrigerant leaked light, guess where is the problem

Overnight, refrigerant leaked light, guess where is the problem After receiving notification from VIP customers, they went to a concrete mixing plant in the suburbs to repair an air conditioner.