Fuji VFD Frequency Converter FRN3.7E1E-4U11

08/18/2020

Common faults and solutions of central air conditioning

What are the common faults and solutions for central air conditioning? Let’s take a look with the editor of okmarts.com!

09/10/2020

Application of pressure sensor in air compressor safety management system

In the safety management system, the pressure sensor realizes the side airbag control. Air compressor safety management system is also a field where sensors are widely used. There are two solutions for controlling the side airbag of the air compressor:

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

06/21/2020

Electronic expansion valve application and installation precautions

Electronic expansion valve application and installation precautions <img src="{{media url=&quot;wysiwyg/Electronic_expansion_valve_application_and_installation_precautions.png&quot;}}" alt="" /> Advantages of electronic expansion valve: The energy efficiency ratio is improved during high-frequency and low-frequency operation; the reliability of the compressor is improved, the conditions of oil return, liquid return, and exhaust temperature are too high; the operation of the whole machine is reliable, and the problems of water blowing, condensation, and overload are reduced. ; Increased adaptability to changes in refrigerant quantity; Enhanced comfort, short defrost time;

08/12/2020

Safe operation method of Freon refrigeration compressor unit

Freon refrigerants are generally used in cold storage refrigeration systems, so the following is a brief introduction to some of the operating specifications of Freon refrigeration units, so that everyone will feel very simple and relaxed when using them

08/14/2020

Operating instructions for industrial refrigerators-what issues need to be paid attention to

In the fierce social competition, if we want to maintain our strength and continuously increase our comprehensive capabilities, we need to improve the quality and design of products and all aspects.

08/02/2020

I have to know these 10 questions about turning on air-conditioning for heating in winter!

In the cold winter, for many southern friends, the air conditioner is indeed one of the greatest inventions in history

09/05/2020

The problem of motor inefficiency

The test standards promulgated by the International Electrotechnical Commission IEC (hereinafter referred to as IEC) make it possible to evaluate the energy efficiency of motors.

07/31/2020

Common problems and solutions of industrial chillers summarized by the maintenance master

1. Water leakage (first determine the location of the water leakage)<br></br> 　　 1. Water leakage from the pump (causes: the shaft seal at the water pump is not well connected or the shaft seal has been damaged)

08/03/2020

Can the central air conditioner be installed after the renovation It's still a reliable teacher and solved it immediately

Although the decoration steps are just those, I always feel that there is no problem as long as the construction is carried out according to the steps, but there are always some annoying things in the middle.