Maintenance
The Honeywell Enhanced Air Cleaner is designed to require minimal maintenance. Maintenance is limited to
the replacement of the filter and periodic inspection/brush cleaning of the ionization array. Frequency of air filter
cartridge replacement and cleaning of the ionization array may vary depending on ductwork design and local
environmental conditions.
To replace the air filter cartridge, complete the following steps:
1. Turn heating and cooling system power off.
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.
2. Turn the Honeywell Enhanced Air Cleaner switch to the off position.
3. Remove the Honeywell Enhanced Air Cleaner door.
4. Slide out the old filter and discard.
5. Install the new filter.
Fig. 18: Make sure that the arrows on the filter point in the same direction as the arrow on the enhancement
NOTE: Replace filter at least annually; more often if needed.
6. Replace the Honeywell Enhanced Air Cleaner door.
7. Turn the Honeywell Enhanced Air Cleaner switch to the on position.
8. Turn heating and cooling system power on.
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module. This will be in the same direction as airflow.
TrueCLEAN™ Enhanced Air Cleaner 68-0308EFS—03