M2I HMI TOP 3MAE

09/07/2020

Application of pressure dew point in compressed air system

The air that is reduced in volume and increased in pressure by the mechanical movement of the air compressor is called compressed air. Compressed air is an important power source and is widely used in many industrial fields such as machinery, metallurgy, electronics, electric power,

06/30/2020

Lubrication method for air conditioner compressor fault maintenance

Lubrication method for air conditioner compressor fault maintenance The specific conditions of the lubrication method for air conditioner compressor fault maintenance are as follows:

06/14/2020

The air conditioner does not use electricity, the minimum cooling is -25 ℃, is it true

The air conditioner does not use electricity, the minimum cooling is -25 ℃, is it true Air-conditioning has become an indispensable configuration for everyone.

08/11/2020

The function, principle and installation of air conditioning condensate lift pump

Three characteristics of condensate lift pump:<br></br> 　　 First, it can improve drainage patency and prevent roof foaming. The air conditioner internal unit without a water pump can only be used for natural drainage.

08/20/2020

Placement of the thermostatic valve bulb

The bulb should be as close as possible to the outlet of the evaporator and placed in close contact with the outlet pipe. In the part of the pipe section where the temperature bulb is in contact with the pipe,

07/20/2022

Common Types of Diaphragm Pump

An oil-free lubricating pneumatic diaphragm pump belongs to the field of pneumatic machinery.

08/11/2020

Treatment method of ammonia refrigerant in refrigeration equipment

When low-pressure equipment needs to be overhauled, it is necessary to cut off the connection between the equipment and the refrigeration system, select a channel, use the refrigeration compressor to suck up the ammonia in the equipment,

07/31/2020

The reason why the freezer glass door is not closed tightly

The glass door of the freezer is not closed tightly. This problem occurs in 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.

07/07/2020

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

03/14/2021

Function of servo drive

Regeneration and dynamic braking function; Instant power down protection function for quick shutdown;