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Electrostatic air filters utilize synthetic material which develops an
electrostatic charge as friction is applied to the plastic fibers from
the movement of air passing through it. The electrostatic charge
that is developed as air passes through the filter increase the
filter’s attraction to particles such as pollen, molds and dust.
An electrostatic filter is generally effective in capturing particles
of 1 micron or larger (1 micron is 1/25,000th of an inch). Particles
larger than 1 micron include house dust, lint, animal dander, pol-
len, mold spores and skin flakes. Peak arrestance is 90%, with
average arrestance of 89%. The filter contains an anti-microbial
media core, three layers of filtration media, a durable aluminum
frame, pull tabs and drain holes.
No ductwork modifications are required. This filter is simply used
in place of disposable filters located in the return air duct collar on
the side of the unit.
Cleaning Procedure
Other than cleaning, the electrostatic filter requires no maintenance. It is recommended that you clean the filter
every 30 to 60 days. To clean your electrostatic air filter:
• Turn off the unit at the thermostat, along with the fan if the thermostat is set to constant fan.
• Remove the filter from the filter rack.
• If the buildup is very heavy, you may want to use a vacuum cleaner hose to remove the bulk of the accumula-
tion. This may not be necessary unless the filter is very dirty.
• Spray the filter on both sides with a household cleaning solution (e.g. Fantastic, Formula 409, etc.).
• Lay the filter with the dirty side down, propped at an angle to allow the debris and water to be cleared from
the filter.
• Flush the detergent from the filter using a garden hose with a nozzle set at the high pressure setting. In lieu of
a garden hose, you can also spray the filter with water from a pressure washer or a sprayer at a “do it yourself”
carwash, being careful not to damage the filter material.
• Turn the filter over and rinse again.
• Repeat as necessary to remove all accumulation and until the draining rinse water runs clear.
• Shake excess water out of the filter and allow it to drip dry to the extent that it can be carried without dripping
water.
• Insert the filter into the filter rack on the unit, making sure to insert it with the air flow arrow pointing toward the
unit.
• Turn the unit back on at the thermostat, along with the fan if you use constant fan operation.
Keeping your filter clean is one of the most important things you can do to ensure that your geothermal unit oper-
ates at its peak efficiency and to minimize the potential for premature failure.
Contact your dealer for more information.
Electrostatic Air Filter
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