APT Switch LW39-16B-YH2/3

08/15/2020

How to achieve high efficiency of industrial refrigerators and cooling water towers

In many industries, the demand for industrial refrigerators is very large, especially those industries that require refrigeration to a certain temperature.

07/22/2020

Maintenance example of poor cooling effect of inverter air conditioner

Today, I will tell you about the maintenance example of the poor cooling effect of the air conditioner.<br></br> <br></br> 1. The cooling is poor, and the operating frequency is not up to the highest. The exhaust pipe overheating code will be displayed for about 20 minutes.<br></br>

06/14/2020

The role of lubricating oil

The role of lubricating oil 1) A dynamic seal is formed between the screw and the compression chamber and the male and female screws to reduce the leakage of refrigerant from the high-pressure side to the low-pressure side during the compression process.

10/05/2023

Freeze Drying vs Dehydration: Is a Freeze Dryer and a Dehydrator the Same Thing

When it comes to preserving food, there are a variety of methods that can be used. Two of the most common methods are freeze-drying and dehydrating.

07/07/2020

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

08/25/2020

Common refrigerant charging methods for central air conditioners

In practical applications, the following methods are often used to detect whether the refrigerant in the refrigeration system is sufficient. Let's analyze the drawbacks of these charging methods:

01/22/2025

How to Install Encoders - Best Practices

The wiring and installation of rotary encoders should be conducted in strict accordance with the instructions of each product.

04/28/2025

EGR Valve Replacement Cost: Factors, Estimates, and Considerations

The EGR (Exhaust Gas Recirculation) valve plays a crucial role in modern engine management systems, helping to reduce harmful emissions and improve fuel efficiency.

09/04/2020

In the nitrogen generator system, are the gas storage tanks and refrigeration dryers necessary equipment

Users often ask about nitrogen generators. After some understanding and communication, I asked users, if you buy a nitrogen generator, how big is the gas storage tank?

08/18/2020

Common problems during debugging of refrigeration and air conditioning systems

The refrigeration and air-conditioning system is large in scale, with many equipment and variable working conditions, but the design, construction, debugging and management operation level is limited,