Omron PLC C200H-PS211

08/25/2020

The reason why the freezer glass door is not closed tightly

The glass door of the freezer is not closed tightly. It is common for both domestic and commercial freezers. When we are at home, we rarely pay attention to whether the door of the freezer can be closed tightly.

08/16/2020

Introduction to the principle and characteristics of cold storage lights

As a necessary facility for cold storage, cold storage lights are indispensable for every cold storage. So how to choose the cold storage lamp? Is general lighting okay? What is the difference between professional cold storage lamps and ordinary lighting lamps?

06/14/2020

What if the compressor burns out

What if the compressor burns out Why does the compressor burn the motor? What caused the burn-in phenomenon? The summary of the reasons for motor burning can be divided into: load, power supply, motor insulation, and lack of equality.

06/23/2020

How to add air conditioning refrigerant

Turn off the power supply of the air conditioner first; if all the light leaks, then you must evacuate before adding it; find the thick tube under the outdoor unit and add fluorine from here; you need to install the pressure gauge when adding fluorine Generally, it can be stopped at about 5 pressures; the temperature needs to be turned to the lowest when turning on the machine, and observe for about half an hour.

06/21/2020

Will the air compressor explode_The cause and measures of air compressor explosion

Will the air compressor explode_The cause and measures of air compressor explosion Will the air compressor explode <img src="{{media url=&quot;Will_the_air_compressor_explode_The_cause_and_measures_of_air_compressor_explosion.jpg&quot;}}" alt="" /> 　　 The air compressor will explode. However, air compressors are not easy to explode. The accident rate of the air storage tank of the piston type air compressor is very small. Only when the air pressure switch and the safety valve of the air compressor are broken at the same time will the air compressor have the possibility of explosion.

07/07/2020

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

06/12/2024

Solenoid Valves: Common Faults and Solutions

The solenoid valve is an industrial pneumatic component that we often use.

06/14/2020

Air conditioning trip repair

Whether it is in hot summer or cold winter, it is inseparable from air conditioning. Every household has also installed air conditioning. Air conditioners, as an electronic product, are used for too long or improper operation will cause the air conditioneﰸ2䀀
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09/10/2020

What factors affect the displacement of centrifugal compressors

1) The air filter is blocked or the resistance increases, causing the suction pressure of the compressor to decrease. When the outlet pressure is constant, the compressor pressure ratio is increased. According to the performance curve of the compressor, when the pressure ratio increases, the displacement will decrease;

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.