ABB INPUT OUTPUT Module DSDO 120

06/20/2020

Installation instructions for explosion-proof air conditioners

Installation instructions for explosion-proof air conditioners <img src="{{media url=&quot;Installation_instructions_for_explosion-proof_air_conditioners.jpg&quot;}}" alt="" /> 1. The power supply of the explosion-proof air conditioner shall have a dedicated line, and a circuit breaker or air switch shall be provided in the dedicated line. The power supply wires and fuses should comply with the relevant regulations and cannot be changed at will.

07/07/2020

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

09/10/2020

Many Chinese valve companies are not strong, product adjustment is the key

As a fluid transport component, the valve follows the development of the national economy, especially the national coal chemical industry and equipment manufacturing industry.

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.

09/01/2025

How to Distinguish Different Types of Fans in Data Centers

Without fans, it is impossible to ensure that equipment components operate at a constant temperature. Long-term continuous high-temperature operation of equipment will accelerate the aging of components and shorten the life cycle of equipment operation.

08/16/2020

Five major lubrication methods for compressors in industrial chillers

Everyone knows the principle of industrial chiller compressor. The compressor sucks the low-temperature and low-pressure refrigerant gas in the evaporator into the compressor, passes through the compressor,

09/23/2020

Delta PLC's application in screw air compressor

1. Design intent　　 For cost reasons, the control systems used in the air compressor manufacturing industry for a long time have been controlled by single-chip microcomputers, and digital tubes indicate working status and indicate parameter values

08/15/2020

What should I do if the cold storage is moldy How to physically remove mildew

Mold generally grows in dark and humid places and can adapt to lower temperatures. Usually in high temperature storage, the situation is serious. Mold grows in the cold storage, and the spores will fly everywhere, which will contaminate the goods and products stored in the storage.

07/22/2024

Gas Shut-Off Solenoid Valve: Basics, Working Principles and Applications

Gas shut-off solenoid valves, also known as gas safety shut off solenoid valves and gas emergency shut off solenoid valves, are emergency shutoff devices for gas pipelines.

08/19/2020

Eight installation steps of central air conditioning

The installation and purchase of central air conditioners are equally important. Central air conditioners have good materials and without good construction techniques, which will also affect the use of air conditioners