In the illustrated single zone HVAC system, what statement represents the relationship between the exhaust, outside air and recirculation dampers? GS-RS-09 |
A) The more the exhaust and outside air dampers are open, the more the recirculation damper is closed, and vice versa. |
B) The more the exhaust and recirculation dampers are open, the more the outside air damper is closed, and vice versa. |
C) The the exhaust, outside air, and recirculation dampers are all open or closed to the same degree for all operating conditions. |
D) The more the outside air and recirculation dampers are open, the more the exhaust damper is closed, and vice versa. |