Install Instructions
OPERATION
AND SERVICE
Maintenance
TrueCLEAN™ Enhanced Air Cleaner 68-0308EFS—01
20
The Honeywell Enhanced Air Cleaner is designed to require minimal maintenance. Maintenance is limited to
the replacement of the lter and periodic inspection/brush cleaning of the ionization array. Frequency of air
lter cartridge replacement and cleaning of the ionization array may vary depending on ductwork design and
local environmental conditions.
To replace the air lter cartridge, complete the following steps:
Turn heating and cooling system power off.1.
WARNING: Electrocution Hazard.
Failure to follow this warning could result in personal injury or death.
Before installing or servicing system, always turn off main power to system. There may be more than
one disconnect switch.
Turn the Honeywell Enhanced Air Cleaner switch to the off position.2.
Remove the Honeywell Enhanced Air Cleaner door.3.
Slide out the old lter and discard.4.
Install the new lter.5.
Make sure that the arrows on the lter point toward the heating and cooling equipment. This should NOTE:
be in the same direction as airow.
Replace the Honeywell Enhanced Air Cleaner door.6.
Turn the Honeywell Enhanced Air Cleaner switch to the on position.7.
Turn heating and cooling system power on.8.
At the time of lter replacement, if a powdery residue is noticed on the tips of the points
in the ionization array of the Enhancement module, proceed to clean them by complet-
ing the following steps:
Turn heating and cooling system power off.1.
WARNING: Electrocution Hazard.
Failure to follow this warning could result in personal injury or death.
Before installing or servicing system, always turn off main power to system. There may be more than
one disconnect switch.
Turn the Honeywell Enhanced Air Cleaner switch to the off position.2.
Remove the Honeywell Enhanced Air Cleaner door.3.
Models 1620/2020/2520: 4. Unplug the power cord and ow sensor cable (if connected) from the
enhancement module (see Fig. 11 on page 15).
Models 1625/2025: Unplug the power cord from the enhancement module (see Fig. 15 on page 17).
Slide out the enhancement module assembly and safety screen.5.
CAUTION: Personal Injury Hazard.
Failure to follow this caution may result in personal injury.
Sheet metal parts may have sharp edges or burrs. Use care and wear appropriate protective clothing
and gloves when handling parts.