Black and Decker BSAH1215AC Manual De Instrucciones página 34

INSTALLATION INSTRUCTIONS
6. Seal up the hole in the wall using expanding polyurethane
foam.
• Spray expanding polyurethane foam into the hole you drilled to feed
the cable and piping through the wall. Make sure the hole is
completely sealed to prevent hot air or insects from getting through.
• Let the foam dry as per the instructions on the label before turning on
your air conditioning.
Page 34