ABB Controller Module HESG440310R2

09/11/2020

Ways to reduce bearing noise

Ways to reduce bearing noise (1) Method of using chemical additives Adding certain chemical additives to the bearing lubricant can reduce bearing noise. For example, a low-noise grease containing noise-reducing additives produced by a factory in Tianjin can reduce bearing noise by 3.9-9.2dB from the original basis. , Suitable for use in miniature or small bearings.

06/14/2020

Cold storage operation management and compressor common fault handling

Cold storage operation management and compressor common fault handling 1. Startup and preparations Before starting the machine, check whether the valves of the unit are in the normal starting state, and check whether the cooling water source is suffic器2䀀
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08/03/2020

Judgment steps of refrigerant leakage in air conditioning system

first step:<br></br> 　　 Shut down and unplug the air conditioner (to prevent danger during the inspection process), and connect a pressure gauge to the large valve. Observe the static pressure

07/07/2022

Proportional Solenoid Valve - How They Work

A proportional control valve is a valve used to control fluid flow rate by varying the size of the flow passage via a restrictor.

06/14/2020

Leading the future of electrification, Danfoss wins new orders in the field of new energy ships

A few days ago, Danfoss signed an agreement with China Shipbuilding Corporation 711 Research Institute to provide EDITRON permanent magnet synchronous reluctance auxiliary motors, frequency converters and DC/DC converters for the institute, and to propel 器2䀀
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08/18/2020

How much do you know about air conditioner motors

1. The principle of air conditioner compressor motor<br></br> 　　1, single-phase asynchronous motor<br></br> 　　 The single-phase compressor for air conditioner has two windings, namely the start winding and the running winding (main winding),

08/16/2020

What is the new refrigerant of R410A and what are its advantages in air conditioning applications

Recently, many users are familiar with the term inverter air conditioner, but do they feel strange to another term—new refrigerant? In fact, new refrigerant is just a kind of refrigerant that air conditioners must have when running.

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.

06/29/2020

What is the cause of compressor pipeline vibration

08/01/2022

Matters During Installation of Hydraulic Motor

As one of the executive components of hydraulic system, hydraulic motor is particularly important in practical use.