THE APPROPRIATE CHOICE ON CONTROL MODE OF TASK-AMBIENT AIR CONDITIONING

摘要

The traditional total-space air conditioning mode is not capable of providing every occupant with acceptable thermal comfort and indoor air quality, while the individualized control mode can meet different needs of occupants to a greater extent. The task-ambient air conditioning (TAC) emphasizes snatchy load and individuation,so the implement of individual control is very important. In this paper, on the basis of analyzing the basic control modes of air conditioning at present time and their control characteristics and requirement of task-ambient air conditioning, the author considered that the total supply air system with variable air volume (VAV) box is very reasonable and selected the right control mode and terminal device: throttle damper terminal and the appropriate control mode on the fan rotation speed with DDC (Direct Digital Control) system to realize.