Trane 18-EB24D1-19 Installer's Manual page 21

Supply Air
Return Air
Roof Flashing
Channel Iron Center
Support (Center Sup-
port required on all
Frame Applications.)
Figure 18. Typical Rooftop Horizontal Airflow Application with Frame
Return Air
Roof Flashing
Channel Iron Center Support
(Center Support required on all
Frame Applications.)
Figure 19. Typical Rooftop Down Airflow Application with Frame
Installer's Guide
Angle Iron Frame
Supply Air
Roof Flashing
Angle Iron Frame
Page 21