Honeywell HFD-135 User Guide - Page 6
Frequently Asked Questions, Cleaning And Maintenance, Installing The Filters - manual
UPC - 090271001356
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HFD-135 OM English.qxd 10/14/05 5:35 PM Page 6 INSTALLING THE FILTERS Please make certain that the unit is OFF and unplugged. Fig. 16 To install the IFD™ Filter and pre-filter: • Insert the pre-filter into the basket first. • Place the IFD™ filter on top of the pre-filter, making certain that the insert arrows match up with the label outside the basket (Fig. 16). • Slide the filter basket onto the swing arm and gently push the filter basket into the air purifier until it clicks into place. • Replace the rear panel door by lining up the tabs on the Fig. 17 Rear Door bottom portion of the door with the notches on the air purifier and then turning the locking knob clockwise (Fig. 17). • Turn the locking knob clockwise to lock in place (Fig. 18). NOTE: This unit is equipped with a safety interlock. The unit will not operate while the Rear Door is removed. IFD™ Filter Notches IFD™ Filter Pre-filter Cartridge Fig. 18 CLEANING AND MAINTENANCE • Use a clean, dry cloth to wipe the external surfaces of the air purifier. DO NOT USE WATER, GASOLINE, POLISH, OR ANY CHEMICAL SOLUTION. • The IFD™ filter and pre-filter should be cleaned at least once a month, or sooner depending on the air quality of the room (See "Removing/Cleaning the IFD™ Filter" or "Cleaning the Pre-Filter" respectively). FREQUENTLY ASKED QUESTIONS How often is cleaning required? The IFD™ filter reset light will illuminate to indicate that the IFD™ filter should be cleaned. We recommend cleaning the filter about once a month depending on the air quality of the room. I just cleaned my filter but the filter indicator bar is still showing it is dirty, what's wrong? Each time you clean your filter you must reset the filter life indicator. It is a timer driven indicator to be used as a guideline, but does not represent the actual amount of dirt in the IFD™ filter. Press and hold the appropriate button for up to 10 seconds and when you let go, the filter indicator bar should be reset. The filter indicator bar on my unit is completely full but my filter doesn't really look dirty. The filter indicator on your unit is timer-based and does not measure the amount of particles in the IFD™ filter. It is possible that your filter indicator could indicate that the filter is dirty but some particles are so small that they cannot be seen but are present in the filter. We recommend cleaning the IFD™ filter (see Removing/Cleaning the IFD™ Filter in the manual). 6