F50F DUCT MOUNTED ELECTRONIC AIR CLEANER
68-0137—5
7
Turning Vanes
If the air cleaner is installed close to an elbow or angle
fitting, install turning vanes inside the angle to distribute
airflow more evenly across the face of the cell. See Fig. 5.
Offsets
If the duct connection to the furnace in a side installation
allows less than 7 in. (178 mm) for mounting the air cleaner
cabinet, add an offset to the elbow. See Fig. 5.
Clean Blower Compartment
❑ Remove and discard the existing furnace filter.
❑ Thoroughly clean the blower compartment.
❑ If possible, power vacuum the ductwork to remove
accumulated dust in an existing home, or construction dirt
in a new home. The electronic air cleaner cannot remove
dust that has settled in the blower compartment and
distribution ducts.
❑ Check the edges of the furnace fan blades for dirt buildup
and clean as necessary. The fan will not deliver the rated
cfm if the blades are dirty.
Fasten Cabinet To Furnace
NOTE: This procedure shows a side installation on a
typical highboy furnace. You may need to alter the
procedure to fit your application.
❑ Remove and set aside the access door, electronic cell(s)
and prefilter(s).
❑ Align the cabinet with the return air opening.
❑ Create opening in furnace to match air cleaner cabinet
opening.
❑ Install a transition when the furnace and air cleaner
openings are different sizes. See Fig. 4.
❑ Place blocks under the cabinet so the unit is firmly
supported and level. The 5/8 in. (16 mm) mounting foot on
the cabinet hinge plate provides the minimum clearance
required for the access door hinge.
❑ Attach the cabinet securely to the furnace. The unit can
be attached directly, as shown, or a starting collar can
first be fitted in the furnace opening. Either drill holes and
fasten with sheet metal screws or rivets, or use slip joints.
See Fig. 6.
Fig. 5. Typical use of duct offset to allow space for
electronic air cleaner.
INSTALLATION
When Installing this Product…
1. Read these instructions carefully. Failure to follow them
could damage the product or cause a hazardous
condition.
2. Check the ratings given in the instructions and on the
product to make sure the product is suitable for your
application.
3. Installer must be a trained, experienced service
technician.
4. After installation is complete, check out product
operation as provided in these instructions.
WARNING
Electric Shock Hazard.
Can cause electrical shock or equipment
damage.
Do not connect to power before installation is
complete.
Unpack Electronic Air Cleaner
❑ Check that all components are included. The electronic
air cleaner is shipped assembled. The unit consists of a
galvanized steel cabinet, power supply with on-off switch
and neon light, one or two electronic cells and prefilters,
access door with test button, and homeowner literature
package.
❑ Order W8600F (optional), mounting hardware and
installation literature separately.
M5627A
LESS
THAN
7 in.
[178 mm]
OFFSET
AT LEAST
7 in.
[178 mm]
1
1 TURNING VANES HELP DISTRIBUTE AIRFLOW EVENLY.
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TYPICAL USE OF DUCT OFFSET TO ALLOW
SPACE FOR ELECTRONIC AIR CLEANER.
Fig. 6. Fasten cabinet to furnace.
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