THIS PROCEDURE MUST BE PERFORMED BY A QUALIFIED TECHNICIAN.
NOTE: If using the Steffes Supply and Return Air Plenums, attach ducting to the supply air side of the air handler before attaching the return air plenum.
Attach Sides to Back
Attach side panels to a flat panel (Figure 16A). Holes along the short side of all panels MUST be on the bottom of the assembly. Bent sides of the side panels MUST be to the inside of the flat panel.
Figure 16A
Figure 16B
Figure 16C
Attach to Air Handler
Secure assembly to the back top flanges on the air handler.
Figure 16D
Attach Front
Secure front panel to supply air plenum.