Single 2098-9207 Unit
l
The 2098-9207 may be mounted either directly to the ceiling or to the side wall. Do not mount the units so that the
beam path runs parallel within four (4) inches of any corner.
within 3’ (91 cm) of the ceiling’s peak.
For sloped or peaked ceilings, locate beam paths
location.
Refer to the General Considerations on page 2 when selecting a mounting
Multiple 2098-9207 Units
l
For smooth, flat ceilings, mount units so that a spacing of not more than 60’ (18.3 m) exists between beam paths
(with not more than one-half of that spacing between beam path and sidewall [wall parallel to beam path]). Other
spacings depend on ceiling height, airflow characteristics, and response requirements. The minimum spacing
between adjacent units is l/l 0th of the distance between Transmitter and Receiver (If beam length is 300 feet,
units should be no less than 30 feet apart).
Note:
When two or more adjacent units are installed in the same area, it is required that Transmitter and Receiver
locations are alternated. (see Figure 1). If not alternated, spacing must be 115th the distance from the Transmitter
to the Receiver.
TRANSMITI-ER
RECEIVER
\
L
I
TRANSMlllER
Minimum L/i 0
L
1
Maximum 60’ (18.3m)
Alternating Transmitter and Receiver Locations
in Multiple Unit Installations
FIGURE 1
3
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