Danfoss Compressor DSF090A3ABD

06/11/2025

What is a VRV Air Conditioning System

VRV (Variable Refrigerant Volume) air conditioning system was developed and launched by Daikin Industry Co., Ltd. in Japan in 1982. VRV has also become the registered trademark of Daikin variable refrigerant volume multi-split system.

07/20/2020

Screw refrigeration compressors are prone to these types of failures, have you encountered them?

The compressor is a volumetric compressor.Since its use in 1934, it has a dominant position in small to large and medium-sized refrigeration systems because of its excellent performance, not suitable for wear, and large unit cooling capacity.

09/18/2020

The advantages of Copeland compressors are as follows

Copeland compressor has a solid cast iron body, provides a large heat dissipation area to improve the cooling effect of air-conditioning compressors, and uses lightweight aluminum pistons to reduce friction and vibration. The intelligent electronic protection film block can provide comprehensive motor protection. Super high energy efficiency:

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

08/19/2020

Change air conditioner technician in one second

Air conditioning is an indispensable tool for preventing heat at home, and whether it is cold winter or scorching heat, the air conditioner always keeps the room temperature comfortable and pleasant

04/09/2025

Common DAIKIN AC Error Code Lists

DAIKIN air conditioner/air conditioning system malfunction codes consist of one letter or number plus one number or letter. The letters include A, C, E, H, F, J, L, P, U, and M, and the numbers include 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. These codes are divided into indoor unit related, outdoor unit related, system related codes and others.

09/01/2020

How to effectively reduce the air consumption of air-jet looms

The air-jet loom is the fastest-developing shuttleless loom in recent years, but its energy consumption is much greater than other shuttleless looms, which increases production costs.

09/03/2020

How much do you know about the precautions of the operation control system of the air separation plant

The air separation unit adopts cryogenic technology, which uses the different boiling points of oxygen and nitrogen gas at the same pressure to achieve gas separation and extract oxygen,

01/26/2022

New Type of Pneumatic Pressure Transmitters - Working Principle & Features

The new type of anti-vibration pneumatic pressure transmitter is used with the BOP (blowout preventer) and the throttle manifold control box for oil and petroleum products.

08/11/2022

What is Permanent Magnet Synchronous Electric Motor?

Permanent magnet synchronous motor (PMSM) is a synchronous motor that uses permanent magnets to establish an excitation magnetic field.