Indicators on hvac system working principle You Should Know
DX stands for Direct Expansion. DX refers to air conditioners that use refrigerant because the medium of heat transfer to chill the air. Examples of DX systems contain split air conditioners, multi-split air conditioners, and VRF/VRV systems.BDD stands for Backdraft Damper. BDD is utilized to be certain air flows in one course. It prohibit air from