MAINTENANCE
WARNING
ELECTRIC SHOCK HAZARD: 120 volts may cause serious
injury from electric shock. Disconnect electrical power
to the HVAC system before servicing. Leave power
disconnected until service is completed.
Maintenance of your Model 5000 is simple, involving only
periodic replacement of the air lter, and cleaning of the
control electrode, ionizer wires and inner housing assembly.
Frequency of lter replacement and cleaning the control
electrode, ionizer wires and inner housing assembly will
vary depending on the environmental conditions. Typically
this is 6-12 months, but can be required more frequently.
It is recommended to check your lter monthly after initial
installation to determine the appropriate maintenance interval.
REPLACING THE AIR FILTER
Always use genuine AprilAire Model 501 replacement air lter.
The Model 5000 is designed to work only with genuine AprilAire
Model 501 replacement air lter. Use of other air lters will
damage your Model 5000 Electronic Air Cleaner.
To replace the air lter, follow the directions on the box of the
replacement air lter.
CLEANING THE CONTROL ELECTRODE, IONIZER WIRES
AND INNER HOUSING ASSEMBLY
Particles and or debris will build up on the control electrode,
ionizer wires and inner housing assembly over time as they
are located upstream of the lter. Once a buildup is visible,
all of these items should be cleaned to maintain optimum
performance.
TO CHECK AND/OR CLEAN THE CONTROL ELECTRODE:
1. At the thermostat, turn the Fan to Auto and the Mode (Heat-
Off-Cool) to Off. Fan and Mode setting changes are usually
done with a switch or button on the thermostat.
2. Turn the ON/OFF switch on the power pack/door to OFF and
unplug the door.
3. Lift up one of the latches to release and remove the power
pack/door, and use the handle to pull the inner housing
assembly out of the outer housing.
4. Lay the inner housing assembly on a at surface with the
control electrode facing up (see FIGURE 14) and examine the
control electrode.
5. Slide the control electrode out (see FIGURE 14) and wipe off
with a clean cloth.
TO CLEAN THE IONIZER WIRES:
Using 200 grit sandpaper or an abrasive dish scrubber, clean
each of the nine ionizer wires. Even if the wires don’t appear
dirty, clean each one. Do not use steel wool as this material
readily sheds. See FIGURE 14.
TO CLEAN THE INNER HOUSING ASSEMBLY:
1. Use a vacuum with a brush attachment or a cloth to wipe off
collected dust on the inner housing assembly and ionizer frame.
2. Slide the control electrode back into place.
3. Return the inner housing assembly into the outer housing
and replace the door.
4. Plug in the door and turn the ON/OFF switch to the ON position.
5. Return the Fan and Mode settings on your thermostat to
their original positions.
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