Maintenance Inspection
51
MAINTENANCE
3-4-1. Replacing the Filter
CAUTION
Replace the old filter with a new one every three months in general. The dirtiness of the filter varies
with the degree of air pollution and the frequency of operation. Check the dirtiness of the filter
through the window of the filter cover. If the filter should be found discolored, replace it with a new
one even if the three-month interval is not over yet.
(1) Loosen the screw of the filter cover and open the
cover.
Fresh air intank
Filter cover
Filter
Location for
affixing the filter
replacement
record card
Filter cover
(2) Detach the filter slowly. Take out the dirty filter, tak-
ing care not to let the dirt fly about.
CAUTION
쎲 Do not block the fresh air intake with a wall or a
cloth, etc.
(3) Discard the dirty filter. Clean the filter cover and
the filter holder with a soft cloth dampened with a
disinfectant solution and wrung out sufficiently.
(4) Attach a new filter to the filter holder. Ensure that
the filter is installed correctly. Enter the date of re-
placement in the accompanying filter replacement
record card and affix it in place as shown in the fig-
ure on the right for future reference.
(5) Tighten the screw of the filter cover and close the
cover.
WARNING
쎲 Do not attempt to reuse the dirty filter by washing
it or attaching it inside out.
쎲 Open the filter cover only to replace the old filter
with a new one.
❋ The unit counts the number of hours of operation after the filter is replaced.
When the time comes to replace the filter, a message appears on the screen to remind the user. The counter
must be reset after the filter is replaced. Otherwise, the message will remain on. Be sure to contact your
local Atom representative if you have replaced the filter yourself.
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