Friedrich PDXDAA User Manual

          

 

 
PDXDAA & PDXDEA 

Friedrich Air Conditioning Co. 

  Pg 3/5 

Post Office Box 1540 / San Antonio, Texas 78295-1540 

(210) 546-0500 /  (800) 541-6645 /  

www.friedrich.com

 

 
 
7.  Remove and discard discharge grille by 

removing attachment screws from inside of 
front panel.  See Fig 6. 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
8.  Optional – for easy access to control panel, 

remove the control door by removing the hinges 
pins from inside of front panel that secure 
control door in place. 

 
9.  Replace the front panel. 

10. Temporarily secure plenum to support brackets 

previously installed. 

 
11. Establish the position where the extension 

should intersect the adjacent wall and mark this 
location. 

 
12. Measure and cut a 3 

3/4

 in. x 7 

1/8

 in. opening 

through the wall.  See Fig. 7. 

 
 
 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

13. The Extension Duct Wall Trim Kit can be used 

to trim out, up to approximately a 1/2 inch gap 
around the Extension Duct.     

 
14. Establish the needed length of the Extension 

Duct.  Be sure to include the thickness of the 
wall in determining the proper length.  One 
suggested method is to measure from the 
support bracket to outer wall surface in the 
adjacent room. 

 
15. Cut the Extension Duct to length.  Do not cut 

flanged end as this is inserted into the plenum.  
Only cut the non-flanged end of the Extension 
Duct.  See Fig 8. 

 
 
 
 
 
 
 
 
 
 
 
 
 
 

Figure 6 – Back View of Front Panel 

 

Figure 7 – Side View Showing Measurements  
for Extension Opening 

Figure 8 – Extension Duct Attachment