1. Announcement Field trips: Thursday 8 am on UT Campus (NMS building)
Meet at the main entrance of ECJ (2nd floor)
Friday 8 am St. Edward's University
Meet at the main entrance

2. Objectives Discuss the exam questions Discuss the project:
- Deliverables
- Fan terminal units for VAV and DOAS
Learn about the Economizer and Heat recovery

3. Fan Terminal Unit in VAV
VAV with Reheater
VAV with Fan Terminal Units

4. DOAS with multi-split systems
Fresh air?

5. DOAS fresh air configurations

6. DOAS fresh air configurations

7. Economizer Fresh air volume flow rate control
Controlled device is damper
- Damper for the air
- Valve for CC
fresh
air
damper
mixing
recirc.
air
T & RH sensors

8. Economizer Fresh air volume flow rate control % fresh air TOA (hOA)
enthalpy
100%
Fresh
(outdoor)
air
TOA (hOA)
Minimum for
ventilation
damper
mixing
Recirc.
air
T & RH sensors

9. Heat recovery

10. Manufacturer data
…….