both directions. This makes it easy to fasten the
air cleaner directly to the ceiling framework with 8
inch lag screws. Leave space for the power cord
to run between the top of the C-12 and the ceiling,
The power supply cord must not be concealed
above ceilings or behind walls.
Note in Figures 7 and 8 that the C-12 is not
suspended from the top but rather from the
venturi plate, which is heavier metal and
designed to support the entire device.
Figure 7
– C-12 Lag Screw Placement
Figure 8
– C-12 Threaded Rod Placement
Be sure that you select a strong structural part
of the ceiling. Do not fasten it to a false ceiling or
to plaster or plaster-board. In some cases, it may
be necessary to construct some type of framing
strong enough to support the weight of the C-12.
The C-12 may also be mounted using 3/8
in. [10 mm] diameter threaded steel rods
available in many hardware stores. Four steel
rods will be required.
WALL MOUNTING
Two wall mounting brackets are used to
support the C-12. They are included in an
accessory package along with a blank plate to
block off the outlet louvers on the side of the air
cleaner which will be against the wall.
The two brackets must be mounted on the wall
16 inches [406.5 mm] between centers so that the
long bolts will line up with the air cleaner mounting
holes. The brackets should be securely fastened
to the wall studs with lag screws. On masonry
walls, use appropriate screw anchors.
Use the blank metal plate to block off the
louvered outlet on the side of the air cleaner that
will face the wall. Use the 2 screws with nuts and
washers to fasten this plate to the louvers.
Figure 9
– Wall Mounting the C-12
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