Danfoss Compressor SY300A9CR

05/01/2024

Common Faults and Solutions of Servo Drives

Servo drive is a commonly used motor control device, commonly used in various automated production equipment and robot control systems.

08/24/2020

The cold storage is constructed in this way, and it saves nearly half of the electricity bill!

Compared with ordinary refrigerators, cold storage has a larger cooling area, and because of the large cooling area, the power consumption is relatively large. Today, the editor of okmarts.com

07/17/2020

How to tell the authenticity of Emerson semi-closed Copeland compressor

How to tell the authenticity of Emerson semi-closed Copeland compressor In the market, there are customers who reflect that they are buying fake Emerson semi-closed Copeland compressors. Here, in order to allow customers to better identify the authenticity of Emerson semi-closed Copeland compressors, they freeze in Emerson Environmental Optimization Technology (Shenyang) Machinery Co., Ltd.

01/14/2025

Refrigerator PTC Relay Wiring Method

The PTC (positive temperature coefficient) relay is directly connected in series with the secondary winding (start winding).

03/10/2023

Introduction to Three Sorts of Soft Starters

Soft starter, in essence, is a reduced-voltage starter that can control automatically. As it can adjust output voltage arbitrarily, plays a role in current closed-loop control

08/18/2020

Causes of oil running of chillers and their solutions

During the commissioning of the chiller, I encountered the oil running of the unit many times. Most of the units with this problem used a flooded evaporator. Today, the editor of okmarts.com

06/29/2020

Compression ratio of American Copeland compressor

06/14/2020

Compressor air conditioners transfer heat from the enclosed space to the outside, or bring heat from the outside into the enclosed space. No heat is generated during the process, but only heat transfer.

Compressor air conditioners transfer heat from the enclosed space to the outside, or bring heat from the outside into the enclosed space. No heat is generated during the process, but only heat transfer. The compressor air conditioner on an electric veh器2䀀
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09/23/2025

AC Making Noise When off: Where is the Noise from and What to Do?

If you’ve ever heard your AC making noise when off, it can be a bit unnerving. You may wonder what's causing the noise and what you can do to fix the problem.

08/25/2020

The frequency of air compressor lubricating oil replacement and matters needing attention

Generally speaking, technicians need to periodically sample the air compressor lubricant to determine whether the oil needs to be changed. We cannot generally determine a uniform compressor lubricating oil change time,