Danfoss Compressor SM175T7YA

09/06/2020

Discussion on air filtration detection technology

With the increase of smog in the north, filtration and purification industries such as air purification and fresh air have ushered in a new spring, which also detonated the entire filter industry.

09/14/2020

Overhaul of screw air compressor

The prerequisite for the overhaul of the high temperature of the screw air compressor is that the temperature of the machine room is within the allowable range and the oil level is in a normal state (please refer to the accompanying instructions).

09/01/2020

Analysis of System Energy Saving Scheme of Centrifugal Compressor Application Enterprise

If the level of energy consumption cannot be significantly reduced, the current resources and environment may not be able to bear it. Therefore, "energy saving and emission reduction" made the strongest voice at the "two sessions"

01/14/2021

Comparison of three types of wall-mounted, vertical and central air-conditioning

In the summer, air-conditioning has become a must-have item. Now air-conditioning has a variety of styles. How to choose to make yourself more comfortable has become a problem that everyone needs to consider. How to choose wall-mounted machines, cabinets,器2䀀
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07/23/2020

Analysis of common failure causes of hermetic refrigeration compressors

1. 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.<br></br>

08/11/2020

What is the role of the oil separator as a device installed on the discharge end of the compressor

The oil separator separates the refrigerated lubricating oil and refrigerant gas. Note that the oil separator is not installed in every ice water machine, because some ice water machines do not need to install an oil separator.

03/23/2022

What is an Expansion Valve?

The expansion valve is an important part of the refrigeration system and is generally installed between the liquid storage tank and the evaporator.

07/19/2020

Basic knowledge of refrigeration compressor

After shutting down, stop for at least 3 minutes before starting again to eliminate the pressure difference between the compressor inlet and outlet. Because in the case of a large pressure difference, the starting torque of the motor will increase, causing the current to rise to a certain level, the protector will act and the compressor cannot continue to run.

09/08/2022

Brushless Vs Brushed Motor

The following article introduces some differences between brushed motors and brushless motors in terms of working principle and performance, hoping to deepen your understanding of them.

07/07/2020

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