Danfoss Compressor SM090W4YO

09/10/2020

What problems should be paid attention to when operating the centrifugal oxygen compressor

Compared with air compressors, centrifugal oxygen compressors are characterized by their different working media. Oxygen is a strong oxidizer and combustion-supporting agent. Therefore, there are stricter requirements for safety in design, manufacturing, installation, and use management. E.g:

07/15/2020

Installation, selection and adjustment of air conditioner flow switch

Water flow switches are also called flow switches. Water flow switches are widely used in water systems of chillers and air conditioning projects. It can ensure the safe and efficient operation of air conditioning systems.

06/22/2020

Causes and judgement of centrifugal compressor surge

Causes and judgement of centrifugal compressor surge Causes of centrifugal compressor surge ①Flow<img src="{{media url=&quot;Causes_and_judgement_of_centrifugal_compressor_surge.jpg&quot;}}" alt="" /> Each centrifugal compressor corresponds to a curve between outlet pressure P and flow rate Q at different speeds n, as shown in Figure 2.

01/06/2021

Does snowing have any effect on turning on the air conditioner

Does snowing have any effect on turning on the air conditioner Does-snowing-have-any-effect-on-turning-on-the-air-conditioner Will not affect the life of the air conditioner. The bad thing about turning on the air conditioner on a snowy day is that the器2䀀
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06/29/2020

What is the cause of compressor pipeline vibration

08/09/2020

How to debug the small cold storage during installation

1. Installation technology of expansion valve for small cold storage 　　 1. Check whether the temperature sensor is in good condition before installation; 　　2. The installation position of the expansion valve must be close to the evaporator, and the valve body should be installed vertically, not inclined or upside down;

07/29/2020

8 standard processes for central air-conditioning installation, let you become an expert from a rookie~

In terms of home improvement, concealed projects include water and electricity, as well as central air-conditioning. Central air-conditioning has three points of quality and seven points of installation; there are many kinds of materials and technology for installation

03/15/2021

ALPHA Alpha Servo Drive Repair

Common faults of Alpha servo drives include: power-on without display, with display without output, overcurrent, overvoltage, undervoltage, overheating, overload, overspeed, phase loss, jitter, encoder abnormality, module damage, ground fault, parameters Errors etc.

09/05/2020

What is the two-stage compression permanent magnet frequency conversion

Domestic sales of energy-saving air compressors are in full swing. Permanent magnet variable frequency air compressors and two-stage compression permanent magnet variable frequency air compressors are representative of energy-saving air compressors and are currently the mainstream products on the scene.

10/28/2021

How Much is a Central Air Conditioner - Prices of Different Types of Central Air Conditioners

A quote of a central air conditioner consists of the following prices: equipment (outdoor unit & indoor unit) + materials + installation cost + maintenance cost.