Document No. 546-00310
Installations Instructions
November 15, 2006
Figure 2. Installation Clearance Requirements.
NOTE:
Clearance is needed to prevent the sensor
air hose from bending or kinking, and to
insert the Portable Operator’s Terminal
Cable.
2. Confirm that an earth ground is connected to the
mounting plate. To do this, make sure that the
following conditions are met:
a. The conduit junction box is grounded, or
b. The fume hood enclosure is grounded, or
c. A separate wire is connected between the
earth ground and the mounting plate.
3. Continue with one of the following mounting
methods:
Mounting Plate Installation with an
Existing Cutout
or
Mounting Plate Installation
without an Existing Cutout
.
Mounting Plate Installation with an
Existing Cutout
1. See Figure 3. If the fume hood is provided with a
2 inch
×
4 inch (5.0
×
10.0 cm) cutout with an
electric utility box, then use the provided
machine screws to attach the mounting plate to
the electric utility and skip to
Sidewall Hole
Mounting
.
If the fume hood has no electric utility box,
make sure that the cutout provides enough
clearance for the air sensor hose and to
connect the power, FLN, external alarm, and
auxiliary DI wires. Then continue to Step 2.
Figure 3. Installation with an Existing Cutout.
2. Position the bracket over the opening and mark
the locations of the two mounting holes.
3. Using the 1/8-inch (3.0 mm) drill bit, drill the two
mounting holes.
4. Using the screws provided, attach the mounting
plate to the mounting surface.
5. Proceed
to
Sidewall Hose Mounting
.
Page 2 of 6
Siemens Building Technologies, Inc.