Danfoss Compressor SZ240A9PI

09/06/2020

The difference between variable frequency air compressor and industrial frequency air compressor

The difference between variable frequency air compressor and industrial frequency air compressor: 　　 1. The pressure is stable:

08/02/2020

How to debug McQuay air conditioner noise

Noise caused by thermal expansion and contraction when the wall-mounted machine is working: The noise caused by the stepper motor and the synchronous motor. The main reason is that the internal gears of the motor are poorly matched to form abnormal noise.

07/10/2020

Hitachi

Hitachi original place：Japan Brand introduction: Hitachi was established in 1910. In the industry, it is a diversified enterprise integrating household appliances, computer products, semiconductors, industrial machinery and other products.

12/13/2021

How to Add Encoder to Stepper Motor

When the current flows through the stator winding, the stator winding produces a vector magnetic field. The magnetic field will drive the rotor to rotate an angle, so that the direction of magnetic fields of the rotor is consistent with that of the stator.

07/17/2020

How to clean the central air conditioning system

Many companies need the central air conditioner of the all-in-one machine to cool the equipment. If the equipment takes a long time or if one of the accessories in the system is broken, we need to replace it. If the equipment is used for a long time, many impurities will remain in the system.

06/14/2020

Refrigeration compressors have five major technological

Refrigeration compressors have five major technological developments around energy saving CFCs and HCFCs refrigerants that have a destructive effect on the ozone layer are phase-out substances specified in the Montreal Protocol

08/11/2020

The load calculation formula of computer room air conditioner

The load calculation formula of computer room air conditioner<br></br> How to obtain heat and cooling load in the computer room and how to calculate the cooling capacity required in the constant temperature and humidity room.

09/20/2020

What are mineral oil, semi-synthetic oil and fully synthetic oil What is the difference between them

Mineral oil (MineralLubricant) Mineral oil is a lubricating oil extracted from petroleum. The base oil of mineral oil is the bottom oil left over after the fractional distillation of useful light substances (such as aviation oil, gasoline, etc.) during crude oil refining. Into the product. Essentially, it uses the poorer components of crude oil. Mineral oil is currently the most common type of lubricant on the market.

09/03/2020

The customer says the price is high, what should the air compressor seller do

After quoting customers, we often encounter such a problem, "Your price is too high". Strictly speaking, it is not a rejection of the question "your price is too high" raised by the customer. This is actually a positive signal.

06/29/2020

Several causes of compressor burning