Installing the PIR
Care@Home™ Motion Detector User Guide
11
NOTE:
The coverage area radius for a PIR with an optical limiter is 0.25 times the
installation height. For example, if the PIR is installed at a height of 2 m, the
coverage area radius is 0.5 m
2.3.
Checking if a Pet Immune Lens is Required
If there are pets on the premises, it is important to differentiate between the movement of the
resident and the movement of the pet by using a pet immune lens.
Instructions for fitting a pet immune lens are included in 2.4 Setting Up the PIR on page 11.
The following figure shows the pet immune lens.
Figure 6: Pet Immune Lens
Caution:
It is not recommended to install the pet immune lens in a PIR that
includes an optical limiter. The coverage area of the PIR may be further reduced.
2.4.
Setting Up the PIR
To set up the PIR:
1.
Identify the location for mounting the PIR. Refer to 2.1 Determining the Best Location on page 4.
2.
Clean the surface of the mounting location thoroughly.
