Model PDXDAA & PDXDEA
7.Remove and discard discharge grille by removing attachment screws from inside of front panel. See Fig 6.
Figure 6 – Back View of Front Panel
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.
Install Extension Duct
(Use for Left or Right Applications)
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.
Figure 7 – Side View Showing Measurements for Extension Opening
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
Figure 8 – Extension Duct Attachment
PDXDAA & PDXDEA | Friedrich Air Conditioning Co. | Pg 3/5 |
| Post Office Box 1540 / San Antonio, Texas |
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| (210) |
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