We implement the air conditioning package system

The package air conditioning system is one of the types of central air conditioning, and it is an air conditioning unit with a relatively high capacity, consisting of one large piece that includes all parts of the air conditioner, such as: the evaporator, compressor, expansion valve, condenser, fans, etc., and is usually placed in a completely ventilated place; This is due to the emission of heat, and the sound of the unit when it is running, so it is placed, for example, on the roof of the building or in the setbacks, and the air is transported from the unit to the place to be conditioned through the air ducts (Duct), and among the requirements for installing package air conditioning, the ceiling openings must be marked in the concrete before casting, which are the openings The vertical through which the air ducts pass, mark the wall openings for the passage of the horizontal ducts, and make sure that they do not conflict with the fallen bridges, and provide two isolated lines from the duct extensions (Duct), the air-conditioned supply line called (Supply), and the supply line The return air is called (Return), which is connected to the air mixing unit (Mix Box), which mixes the return air with a proportion of the outside air (Fresh Air) in order to renew the air of the place to be conditioned, and a silencer is installed at the outlet of the unit to absorb the noise generated by the unit Package air conditioning requires an open and suitable space in the building.