Is the air conditioner hidden in the ceiling a central air conditioner?

The difference between the ceiling air conditioning unit and the fresh air unit is that the air conditioning unit has three ports (air supply, return air, fresh air) or two ports (supply air, return air), and the fresh air unit has two ports (air supply and fresh air), or in other words, according to whether there is return air to distinguish the ceiling air conditioning unit and the fresh air unit. The air-conditioning unit is through R22 and other refrigerants, through the compressor work, heat exchange to produce 7-12 degrees of cold water to provide the equipment used in the terminal air-conditioning box, there are two kinds of air cooling and water cooling.

There is no major problem in the case of normal nitrogen welding in copper pipes. Divergent pipes are used in normal air conditioners. If you don't have welding, you can check out Mitsubishi Electric's air conditioners. It's made with a divergence box.

Pay attention to reserve the maintenance port and do the movable ceiling as much as possible. >>>More

[Shijia.com]: Now the thickness of the ultra-thin indoor unit of the central air conditioner can be reduced to 200mm. The maximum height of the ceiling to be occupied is about 300mm. >>>More

The concept of the reserved size of the ceiling is inaccurate and the procedure is wrong. The central air conditioning unit should be installed first, and then the ceiling should be used to package and hide the internal unit. AT PRESENT, THE THICKNESS OF THE MACHINE ON THE MARKET IS DAMAGED BY THE HOME INSTALLATION MACHINE, AND THE HEIGHT OF THE CEILING NEEDS TO BE 280MM, AND THE AVERAGE HOME CAN DO 300MM. >>>More