Quote:
Originally Posted by VitaBene
It is for a friend whose husband travels extensively.
While I understand the false alarm concerns, I will try to design it in such a way to minimize (or reduce greatly) the # of motions through the use of window contacts with glassbreak detectors.
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That and the fact that all modern panels support multiple arming modes, so you can have an ARMED/HOME mode where the motion detectors are disabled, for example.
It can also be helpful to install 2 sets of magnets on some of the windows. You mount the contact about 4" above the bottom/closed location, then put one magnet at this location and another on the bottom of the window. What this achieves is that you can leave the windows open a bit at night (4") so that one of the magnets is in line with the sensor on the window frame, and the alarm can still be armed. This way if someone comes along at night and attempts to open the window up enough to get into the house they will set off the alarm, but you can still have the windows open with the alarm armed.