The 2-Minute Rule for hvac system design
VVR stands for Variable Quantity Ratio. VVR is actually a know-how by Daikin. It permits the chiller’s compressor to adjust the compression ratio mechanically when it senses the quantity of lift desired in any specified minute. It improve the performance of the chiller and will save energy.PTAC stands for Packaged Terminal Air Conditioner. PTAC i