Replacing The Filter Assembly / Deodorizing Filter; Replacement Interval - Hitachi EP-A9000 Instruction Manual

Replacing the Filter Assembly / Deodorizing Filter

Replacement Interval

The fi lter is disposable. The standard life of a fi lter assembly and a deodorizing fi lter is approximately 10 years

as determined by the Japan Electrical Manufacturers' Association.

A test according to JEM1467(Japan Electrical Manufacturers' Association) was conducted. If 5 cigarettes are
smoked per day:
[Filter Assembly] Number of years is up to the point the air purifying time takes twice as long as when the fi lter
was new.
[Deodorizing Filter] Number of years is up to the point the deodorizing rate (ammonia, acetaldehyde, and acetic
* This is only a guide. It differs from the actual use in an average household.
The fi lter assembly should be replaced immediately if its color resembles any of the colors on the dirtiness

label attached to the unit.

The colors on the dirtiness label only serve as a guide. Depending on the installation location, the actual color
of the contaminated fi lter may differ from the color on the label.
For the room seldom
exposed to cigarette
smoke
For the room
always exposed
to cigarette smoke
The standard life of a deodorizing fi lter is approximately 10 years, however, replace the fi lter when it be-

comes diffi cult to remove odor.
Depending on the location and usage, it may also be shortened. If it becomes diffi cult to remove dust or

odor, replace the fi lter immediately. Otherwise, the fi lter may generate odors.
The following cases will shorten the life of the fi lter:


When the purifi er takes in oily smoke, carbon substances (soot), etc. or when the smell of new building materials
remains after the construction or remodeling of a building

When used in stores, such as in coffee shops, game parlors, barber shops, beauty parlors, hotels, inns, and of-
fi ces

When used in places with strong smells such as cigarettes or barbecue

When the purifi er takes in combustion gases generated by heating appliances

When the purifi er takes in solvents such as paints, adhesives, etc.

When used in dusty locations near roads subject to heavy traffi c.
Handling the Filter Assembly / Deodorizing Filter
Make sure to take the fi lter out of its plastic cover before using.


Do not set the fi lter while it is still inside the plastic cover. This may cause a unit failure.
Avoid handling it roughly.


Do not crush, crumple, or roll the fi lter.
When the fi lter is broken, it will not have any cleaning effect.
Do not wash the fi lter assembly.


The fi lter assembly cannot be reused even after washing. Please buy and replace it with a new fi lter assembly.
The fi lter contains plastic. Dispose of the fi lter according to local regulations.

acid usually contained in tobacco) becomes half as when the fi lter was new.
Dirtiness Label
Filter Replacement Guide
Replace the filter early when
its color becomes similar to
either of the labels.
E-37