-3-
6.
From the side of the wall the sensor will be
mounted, slide the sensor tube through the
wall. Mark the tube where it is flush with
wall. Remove sensor tube and cut tube
1/8 inch shorter than flush marking.
Note:
If 12” sensor tube needs to be
extended, use same size or larger
diameter tube. Drill out ½” sensor
hole in dummy case to match ID of
tube extension.
7.
From the side of the wall the sensor will be
mounted, slide the sensor tube through the
wall. Slide the dummy base over the end of
the tube. Screw the pressure sensor base
and dummy base to the wall (Figure 3).
8.
Wire the pressure sensor per Figure 7. Run
sensor cable to the room pressure monitor
4”
x
4” electrical rough-in box.
9.
Insert fire protection sealant (provided)
into 7/8” wire hole to seal.
10.
Install and screw the pressure sensor and
dummy cover onto the bases. Slide covers
to the left to hide the sensor. Finished
installation should look as shown in
Figure 4.
WARNING:
Do
not
touch the sensor
element in the pressure sensor. Do
not
run
wires through the air passage. Doing so will
damage the sensing element.
Figure 3: Cutaway View of Mounted Pressure Sensor
Figure 4: Pressure Sensor Mounting