Protecting Pella Casement or Awning Windows
Pella casement and awning windows may have two separate pieces of glass or one Thermopane. It is very important, therefore, to take extra care when drilling the mounting holes to avoid the glass.
Important: Pella recommends against mounting switches in sills due to possible damage from water. If you must drill into the sill, make sure you provide a solid, tight seal using RTV compound.
Select position of Sentrol switch in top of window frame if wires will run through attic, or in bottom of window if wires will run through basement.
Drill 1/4" (0.635 cm) diameter x 1-1/4" (3.175 cm) deep hole in window sash.
Insert magnet. If using wide gap switch, insert magnet with red end away from the switch end without wires.
Drill 1/4" diameter hole in frame at approximately 15˚ toward inside of wall. Align switch hole center to within 1/4" of center of magnet.
Insert Interlogix switch (1055W placed close to the pivot point will allow for some ventilation).
Test circuit, and glue switch and magnet in place.