PTAC-SVN028E-EN
9
Installation
Installing the Wall Sleeve in Wall Opening
1. Position the wall sleeve into the wall. The rear (outside) edge of the wall sleeve should extend
at least 1/4” beyond the outside wall in order to properly caulk, prevent sealing the drain
holes in the rear flange of the case, and to facilitate easy installation of an accessory drain (if
desired). If it is desired to have the rear grille flush on the outside, a drip rail must be installed
under the case and caulking applied between the drip rail and case.
IImmppoorrttaanntt:: Install the wall sleeve level from side to side horizontally and tilted 1/4 bubble
outward and downward. NNeevveerr ttiilltt tthhee wwaallll sslleeeevvee iinnwwaarrdd..
2. Firmly secure the wall sleeve to the wall structure.
NNoottee:: Do not drill any holes in the bottom of the wall sleeve and do not drill any holes in the
case for electrical connections.
3. Caulk the entire opening on the outside between the wall sleeve and the building exterior.
4. Caulk the entire opening on the inside between the wall sleeve and the building interior.
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