Honeywell 18155 Owner's Manual page 5

Removing/Changing the Filters
INSTALL PRE-FILTER BEFORE INITIAL OPERATION.
The initial pre-filter is packaged separately to ensure its freshness. BEFORE initial
operation, locate the pre-filter in the box, remove it from its packaging and install per
instructions below.
• DISCONNECT from power supply before servicing.
• Replace filter(s) and re-assemble unit per instructions
below.
• Plug in and RESET appropriate filter monitor(s).
To Remove HEPA Filter for Cleaning:
• Unscrew handle counter-clockwise (Fig 2).
• Remove top cover.
• Remove the filter assembly (consisting of the HEPA filter
and pre-filter) from the internal chamber.
• Locate the seam of the pre-filter and carefully separate
the fastener to remove the pre-filter from the HEPA filter.
• Discard used pre-filter if necessary. Clean the HEPA filter
if necessary.
• Replace HEPA Filter (there is no top or bottom to filter).
• Replace top cover.
• Insert and tighten handle clockwise.
To Replace Pre-filter:
• Place unit on its side.
• Push in on both tabs on base ring to release base (Fig. 3).
• Gently remove base from motor assembly.
• Install initial pre-filter or replace used one. Wrap pre-filter around Base Ring and
attach with fastener provided.
• Align base into grooves and gently snap back into place.
Fig. 2
Open
Handle
HEPA
Filter
Pre-filter
installed on
Base Ring
Fig. 3
Push
in on
both tabs
to release
Base Ring
Close
Handle
Groove
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