Understand the air quality light 11
Switch on and off the appliance 11
Change the working mode 12
Change the fan speed 13
Set the timer 14
Set the humidity level 15
Set the child lock 15
Water level 16
5 Cleaning 17
Cleaning schedule 17
Clean the body of the appliance 17
Clean the air quality sensor 17
Clean the water tank and
Read this user manual carefully
before you use the appliance, and
save it for future reference.
Danger
• Do not let water or any other
liquid or ammable detergent
enter the appliance to avoid
electric shock and/or a re
hazard.
• Do not clean the appliance
with water, any other liquid,
or a (ammable) detergent to
avoid electric shock and/or a
re hazard.
• Do not spray any ammable
materials such as insecticides or
fragrance around the appliance.
• The water in the water tank
is not suitable for drinking. Do
not drink this water and do
not use it to feed animals or to
water plants. When you empty
the water tank, pour the water
down the drain.
Warning
corresponds to the local power
voltage before you connect the
appliance.
• If the power cord is damaged,
you must have it replaced
by Philips, a service center
authorized by Philips, or
similarly qualied persons in
order to avoid a hazard.
• Do not use the appliance if the
plug, the power cord, or the
appliance itself is damaged.
• This appliance can be used
by children aged from 8 years
and above and persons with
reduced physical, sensory or
mental capabilities or lack of
experiences and knowledge
if they have been given
supervision or instruction
concerning use of the appliance
in a safe way and understand
the hazards involved. Children
shall not play with the
appliance. Cleaning and user
maintenance shall not be made
by children without supervision.
• Do not block the air inlet and
outlet, e.g. by placing items on
the air outlet or in front of the
air inlet.
• Check if the voltage indicated
on the bottom indicated at
the rear of the appliance
4
EN
English
Caution
• This appliance is not a
substitute for proper
ventilation, regular vacuum
cleaning, or use of an extractor
hood or fan while cooking.
• If the power socket used
to power the appliance has
poor connections, the plug
of the appliance becomes
hot. Make sure that you plug
the appliance into a properly
connected power socket.
• Always place and use the
appliance on a dry, stable, level,
and horizontal surface.
• Leave at least 20cm free space
behind and on both sides of
the appliance and leave at least
30cm free space above the
appliance.
• Do not place anything on top
of the appliance and do not sit
on the appliance.
• Do not place the appliance
directly below an air
conditioner to prevent
condensation from dripping
onto the appliance.
• Make sure all lters are
properly installed before you
switch on the appliance.
• Only use the original Philips
lters specially intended for
this appliance. Do not use any
other lters.
• Avoid knocking against the
appliance (the air inlet and
outlet in particular) with hard
objects.
• Always lift or move the
appliance by both handles at
the sides of the appliance.
• Do not insert your ngers or
objects into the air outlet or
the air inlet to prevent physical
injury or malfunctioning of the
appliance.
• Do not use this appliance
when you have used indoor
smoke-type insect repellents
or in places with oily residues,
burning incense, or chemical
fumes.
• Do not use the appliance near
gas appliances, heating devices
or replaces.
• Always unplug the appliance
after use and before lling
water, cleaning, or carrying out
other maintenance.
• Do not use the appliance in a
room with major temperature
changes, as this may cause
condensation inside the
appliance.
5
EN
• To prevent interference, place
the appliance at least 2m away
from electrical appliances
that use airborne radio waves
such as TVs, radios, and radiocontrolled clocks.
• When the appliance is not
used for a long time, bacteria
may grow on the lters. Check
the lters after a long period
of disuse. If the lters are very
dirty, replace them (see the
chapter ‘Replace the lters’).
• The appliance is only intended
for household use under
normal operating conditions.
• Do not use the appliance
in wet surroundings or in
surroundings with high ambient
temperatures, such as the
bathroom, toilet, or kitchen.
• The appliance does not
remove carbon monoxide
(CO) or radon (Rn). It cannot
be used a safety device in case
of accidents with combustion
processes and hazardous
chemicals.
• Clean the water tank every day
to keep it clean.
• Only ll the water tank with
cold tap water. Do not use
ground water or hot water.
• Do not put any substance
other than water in the water
tank. Do not put fragrance in
the water tank.
• If you do not use the
humidication function for a
long time, clean the water tank
and humidication lter tray.
Dry the humidication lter.
• If you need to move the
appliance, disconnect the
appliance from the power
supply rst. Then empty the
water tank. Carry the appliance
horizontally by both handles on
the sides of the appliance.
6
EN
English
2
2 Your combi air
2
purifier and
humidifier
Congratulations on your purchase, and
welcome to Philips!
To fully benet from the support that Philips
offers, register your product at
www.philips.com/welcome.
Philips VitaShield IPS technology and
NanoCloud technology ensures you "Healthy
air always".
VitaShield IPS technology effectively remove
pollutants (ultrane particles, allergens, bacteria
and viruses) with size >0.02 micron including
bacteria and virus*.
NanoCloud technology, using a special
humidication lter adds H2O molecules to the
dry air, and produces healthy humid air without
formation of water mist. Its humidication lter
retains bacteria, calcium and other particles
from the water.
*According to 2008 Microbiological Risk
Assessment Report of the World Health
Organization (WHO), the avian inuenza,
human inuenza viruses, Legionella, Hepatitus
viruses and SARS coronavirus are larger than
0.02 micron.
Read this user manual carefully before you use
the appliance, and save it for future reference.
The appliance comes with all lters tted
inside. Remove the packaging of the
lters before you can use the appliance.
Remove all lters, unpack them, and place
them back into the appliance described as
follows:
Tip
• When you remove or insert lters, place the
appliance against a wall for more stability.
Note
• Insert the lters in the correct position.
• Make sure that you place lter 2 in the appliance
rst and then the pre-lter.
• Make sure that the side with the tag is pointing
towards you.
1 Unlock the bottom of the front panel from
the appliance, then gently pull the top part
of the front panel towards you.
2 To remove the pre-lter, press the two
clips down and pull the lter towards you.
3 Remove lter 2 from the appliance.
2
AC4080AC4081
2
4 Remove the packaging materials of lter 2.
2
1
8
EN
English
5 Put the unpacked lter 2 back into the
2
2
1
2
2
1
1
appliance.
2
2
AC4080AC4081
6 Put the pre-lter back into the appliance.
AC4080AC4081
Note
• Make sure that the side with the two clips is
pointing towards you, and that all hooks of the
pre-lter are properly attached to the purier.
7 To reattach the front panel, mount the
panel onto the top of the appliance rst
(1). Then, gently place the panel against the
body of the appliance (2).
Prepare for humidication
Remove all packaging materials of the
1
humidication lter.
2 Pull out the water tank from the side of
the appliance.
3 Put the humidication lter into the water
tank.
2
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4 Open the lid of the water lling hole.
5 Fill the water tank with cold tap water.
Note
• When pouring water into the water tank,
make sure not to exceed the MAX water level
indication.
7 Push the water tank back into the
appliance.
6 After the water is lled, put the lid back
onto the water lling hole.
10
EN
English
4 Using the appliance
Understand the air quality
light
» All lights go on once and then go out
again.
2 Press to switch on the appliance.
» The PURIFY and HUMIDIFY lights are
on.
Color of the air quality
light
BlueGood
PurpleFair
RedBad
Air quality level
The air quality light automatically goes on
when the appliance is switched on, and
shows all colors repeatedly. In a short while
the air quality light selects the color that
corresponds to the ambient air quality.
Note
• The built-in air quality sensor measures the air
quality and automatically selects the appropriate
color of the air quality light. When the air is
clean, the color of the air quality light is in blue.
When the air quality deteriorates, the color of
the air quality light changes to purple or red.
Switch on and off the
appliance
The appliance operates under air purication
combined with humidication by default.
1 Put the plug into the wall socket.
» After measuring the air quality for
a shor t while, the air quality sensor
automatically selects the appropriate
color of the air quality light.
» The appliance enters AUTO mode,
and the target humidity level is 50% by
default.
3 Press for 2 seconds to switch off the
appliance.
2”
11
EN
Note
• After the appliance is switched off by the on/
off button , if the plug is still in the power
socket, the appliance will resume working
based on the last settings when it is
switched on again.
Change the working mode
Besides operating under air purication
combined with humidication, the appliance can
also work under air purication only mode.
1 After the appliance is switched on,
press
once.
» The HUMIDIFY and humidity level
indicators go out.
» The humidication function is
deactivated. The appliance works under
air purication only mode.
Set the sensitivity of the air
quality sensor
This appliance allows you to adjust the
sensitivity of the air quality sensor. There are
three sensitivity levels:
• extra sensitive (default setting)
• sensitive
• standard
You can adjust the sensitivity of the air quality
sensor in the following way:
Note
• When the appliance is set to a higher sensitivity,
the purier becomes more allergic to the
pollutants in the air. When the purier is in
AUTO mode, it is more likely to choose a higher
fan speed than the standard mode. The air
quality sensor selects the appropriate color of
the air quality light in accordance with the higher
sensitivity.
1 Unplug the appliance.
2 Press again to activate the humidication
function.
Note
• In air purication only mode, the humidication
button does not respond.
• The appliance cannot work under humidication
only mode.
12
2 After a short while, put the plug in the wall
socket again.
EN
English
3 Press and hold the fan speed button
and humidier button
for 3 seconds.
» One or more fan speed lights ash to
show the current sensitivity level of the
air quality sensor.
3”
Fan speed lightSensitivity level
+ standard
simultaneously
sensitive
extra sensitive
4 Press the fan speed button to adjust the
sensitivity level of the air quality sensor.
Note
• When you are changing the sensitivity level, if
you do not change any settings, or if you do not
press for 2 seconds after you have changed any
settings, the appliance will resume normal work
without saving any changes.
• After the sensitivity is changed and saved, the
appliance automatically starts operating at the
preset sensitivity level whenever you switch on
the appliance.
Change the fan speed
AUTO
In AUTO mode, the appliance selects the
appropriate fan speed in accordance with the
ambient air quality.
• Press the fan speed button
AUTO mode.
• AUTO and one of the fan speed indicators
( , or ) light up.
to select
5 Press and hold for 2 seconds to save
the setting and switch off the appliance.
Note
• In AUTO mode, when the air quality reaches
the target (air purication only mode), or when
the air quality and humidity reach the target
simultaneously (combi mode), the appliance will
work with a lower fan speed, and the fan speed
indicator ( , or ) goes out.
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Manual
You can mannually select the desired fan speed.
• Press the fan speed button
more times to select the desired fan speed
(
, or ).
Note
• Fan speed is available for AC4081 only.
• In Manual mode, when the air quality reaches
the target (air purication only mode), or when
the air quality and humidity reach the target
simultaneously (combi mode), the appliance will
continue to work with the selected fan speed.
Tip
• If the air quality light is in blue color, this means
the air quality is good, and you can select a
lower fan speed.
• On the other hand, if the air quality light is in red
or purple color, this means the air quality is bad
or fair. You can select a higher fan speed to clean
the air quickly.
once or
» The sleep indicator lights up.
To change to another fan speed, press the fan
speed button
Note
• When the appliance switches to sleep mode,
the indicators goes out after 1 minute, and the
appliance keeps working.
.
Set the timer
With the timer function, you can let the
appliance operate for a set number of hours.
When the set time has elapsed, the appliance
automatically switches off.
1 Press the timer button to activate the
timer.
» The timer light ( , or ) goes on.
Sleep mode
In sleep mode, the appliance operates very
quietly.
• Press the fan speed button
sleep mode.
14
to select the
2 Press the timer button repeatedly to
choose the number of hours you want the
appliance to operate. The corresponding
timer light goes on.
EN
English
To deactivate the timer function, press the timer
button
or
repeatedly until the timer light ( ,
) goes out.
Set the humidity level
Set the child lock
Note
• Child lock is only applicable for AC4081.
Note
Make sure that the water tank is lled with
•
water when you want to use the humidication
function (see the chapter "Get started", section
"Prepare for humidication").
• Press the humidity button once or
more times to set the desired air humidity
to 40%, 50% or 60%.
» The corresponding humidity light (40%,
50% or 60%) starts to ash.
» When the appliance reaches the target
humidity level, the humidity level
indicator remains on.
Note
• If you want to increase the humidity level in
shorter time, you can select a higher fan speed.
• Press and hold the fan speed button
and timer button
simultaneously for
3 seconds to activate child lock.
3”
» When the child lock is on, all buttons
are not responsive.
• Press and hold the fan speed button
and timer button
simultaneously for
3 seconds again to deactivate child lock.
3”
Note
• When the child lock is on, the appliance will not
respond when you press any button.
15
EN
Water level
The water level in the water tank is visible
through the water level window on the side of
the appliance. When there is not enough water
in the water tank,
have to rell the water tank.
ashes to indicate that you
Note
• When there is no water in the water tank,
the rell water light remains on, and the
humidication indicator ashes to remind users
the humidication function is not working.
When the water tank is relled with water, the
humidication function will be resumed.
• The rell water light does not light up under
air purication only mode.
16
EN
English
5 Cleaning
Note
• Always unplug the appliance before you clean it.
• Never immerse the appliance in water or any
other liquid.
• Never use abrasive, aggressive, or ammable
cleaning agents such as bleach or alcohol to
clean any part of the appliance.
• Only the pre-lter and humidication lter are
washable. The air purier lter is not washable
nor vacuum cleanable.
Clean the air quality sensor
Clean the air quality sensor every two months
for optimal functioning of the appliance. Clean
it more frequently if you use the appliance in a
dusty environment.
Note
• When the humidity level in the room is very
high, it is possible that condensation develops on
the air quality sensor. As a result, the air quality
light may indicate that the air quality is bad even
though the air quality is good. In this case you
have to clean the air quality sensor or use one of
the manual speed settings.
Cleaning schedule
FrequencyCleaning method
When
necessary
Every weekRinse the humidication lter.
When the
lter replace
indicator
lights up
Every two
months
Wipe the surface of the
appliance with a soft dry
cloth.
Rinse the water tank.
Clean the pre-lter.
Descale the humidication
/
lter with the vinegar-water
mixture.
Clean the air quality sensor
and air humidity sensor with a
dry cotton swab.
Clean the body of the
appliance
Regularly clean the inside and outside of the
appliance to prevent dust from collecting.
1 Wipe away dust with a soft dry cloth from
the body of the appliance.
2 Clean the air inlet and the air outlet with a
soft dry cloth.
1 Clean the inlet and outlet of the air quality
sensor with a soft brush.
2 Remove the cover of the air quality sensor.
17
EN
3 Clean the sensor, the dust inlet and the
dust outlet with a lightly moistened cotton
swab.
4 Dry them with a dr y cotton swab.
5 Reattach the sensor cover.
Clean the water tank and
humidication lter
Clean the water tank and humidication lter
every week to keep them hygienic.
1 Pull the water tank from the side of the
appliance.
2 Remove the humidication lter from the
water tank.
3 Rinse the humidication lter under a
running tap.
Note
• Do not scrub the humidication lter, nor place
it under direct sunlight.
4 Unfasten the locks on the edge of the
water tank lid, and remove it from the
water tank.
2
1
18
EN
English
5 Rinse the water tank under a running tap.
Note
• If necessary, use a mild detergent to clean the
water tank. In this case, rinse the water tank
thoroughly.
6 Dry the water tank and its lid with a soft,
dry cloth.
7 Put the lid back onto the water tank and
fasten the locks.
8 Put the humidication lter back into the
water tank.
Clean the pre-lter and
descale the humidication
lter
Filter alert light statusFollow this
Filter light
•
Only the pre-lter and humidication lter are
washable. Filter 2 is not washable.
•
Filter light / goes on approximately once
every month.
/ goes on Clean the pre-lter
and descale the
humidication lter
Note
9
Put the water tank back into the appliance.
1 Wash the pre-lter under a running tap. If the
pre-lter is very dirty, use a soft brush to brush
away the dust.
2 Air dry the pre-lter.
19
EN
Note
• Make sure that the pre-lter is completely dry.
If it is still wet, bacteria may multiply in it and
shorten the lifetime of the pre-lter.
3 Mix the white vinegar with an equal
amount of tap water in a container that is
large enough to soak the humidication
lter in.
Note
• White vinegar has 5% acetic acid.
• If there are white deposits (limescale) on the
lter, make sure that the side with the white
deposits is immersed in the water.
4 Let the humidication lter soak in the
solution for one hour.
Water : Vinegar
1 : 1
1 Hour
7 Let excess water drip off the
humidication lter and let it air dry.
8 After the pre-lter and humidication lter
are put back in the appliance, reset the
lter lifetime counter. (Refer to chapter 7
"Resetting the lter lifetime counter")
5 Discard the water-vinegar solution.
6 Rinse the humidication lter under the
tap to rinse away vinegar residues. During
rinsing, turn the humidication lter so that
both the front and back sides are rinsed.
20
EN
English
6 Replacing the
filters
1 Remove the lters using the tag on the
lter. Take the lters by both sides and
gently deposit them into the house hold
trash bin.
Understand the healthy air
protect lock
This appliance is equipped with the healthy
air protect lock to make sure that the lters
are in optimal condition when the appliance is
operating. When the lter is almost full and has
to be replaced, the specic lter light (
start to ash.
When you do not replace the lter in time:
» The appliance stops operating and it is
locked.
» The specic lter light (
continuously.
Note
• The appliance is locked after the lter light has
ashed for approximately 2 weeks.
/ )
/ ) illuminate
Replace lter 2
Note
• Filter 2 is not
washable nor vacuum cleanable.
2
AC4080AC4081
Note
• Do not touch the pleated lter surface, or smell
the lter as it has collected pollutants from the
air.
• Wash your hands after disposing of the used
lters.
2
2 Remove all packaging material from the new
lter 2.
Replace lter 2 when the lter light star ts
ashing.
3 Put the new lter 2 into the appliance.
2
AC4080AC4081
2
21
EN
4 After the pre-lter is put back in the
appliance, reset the lter 2 lifetime counter.
(Refer to chapter 7 "Resetting the lter
lifetime counter")
Replace the humidication
lter
Replace the humidication lter when lter light
starts ashing.
1 Remove the used humidication lter from
the water tank.
2
Remove all packaging material from the
new humidication lter.
3 Put the new humidication lter in the
water tank.
4 Put the water tank back into the appliance.
5 Reset the humidication lter lifetime
counter. (Refer to chapter 7 "Resetting the
lter lifetime counter")
22
EN
English
7 Resetting the filter
lifetime counter
When you replace the lters, it is important
that you also reset the lter lifetime counter
afterwards. This allows the appliance to be in
sync with the lter lifetime.
1 Press and hold the reset button for
3 seconds, the lter light goes out, and the
appliance resumes work automatically in the
default settings (combi mode with AUTO
as the fan speed).
3”
23
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8 Troubleshooting
This chapter summarizes the most common problems you could encounter with the appliance. If you
are unable to solve the problem with the information below, contact the Consumer Care Center in
your country.
ProblemPossible solution
The appliance does not
work even though it is
plugged in.
The appliance does not
work even though it is
switched on.
The water tank leaks.It is normal that the lid of the water tank is slightly wet when you remove it
There are some
white deposits on the
humidication lter.
No air comes out of
the air outlet.
The airow that comes
out of the air outlet
is signicantly weaker
than before.
• The lter replacement light has been on continuously but you did not
replace the corresponding lter, it is now locked. In this case, replace the
lter and reset the lter time.
• The water rell light
installed.
The appliance is working but the buttons are not responsive. Check is the
child lock is on (for AC4081 only).
from the appliance. However, if water drops keep dripping from the bottom of
the water tank, contact the Consumer Care Center in your country.
The white deposits are called limescale and they consist of minerals from
the water. Limescale on the humidication lter affects the humidifying
performance. Therefore you have to descale the humidication lter when
the lter light
descale the humidication lter").
Plug the appliance into the power supply and switch on.
• The pre-lter is dirty. Clean the pre-lter (see the chapter "Clean the
pre-lter and descale the humidication lter").
• Make sure that you have removed all packaging material from the lters.
ashes. Make sure the water tank is properly
/ ashes (See the chapter "Clean the pre-lter and
The air quality does
not improve, even
though the appliance
has been operating for
a long time.
24
• One of the lters has not been placed in the appliance. Make sure that
all lters are properly installed in the following order, star ting with the
innermost lter: 1) lter 2; 2) pre-lter.
• The air quality sensor is wet. The humidity level in your room is high and
causes condensation. Make sure that the air quality sensor is clean and
dry (see the chapter "Clean the air quality sensor").
EN
English
ProblemPossible solution
The color of the air
quality light always stays
the same.
I do not see water
vapor coming out
of the appliance. Is it
working?
The appliance
produces a strange
smell.
I need cleaner air
because I have an
allergy.
The appliance is extra
loud.
• The air quality sensor is dirty. Clean the air quality sensor (see the
chapter "Clean the air quality sensor").
• There is not enough ventilation in the room. Open a window, to improve
the air circulation.
When water vapor is very ne, it is invisible. With the NanoCloud
humidication technology, the appliance produces healthy humid air from
the outlet area without formation of water mist.
The rst few times you use the appliance, it may produce a plastic smell.
This is normal. However, if the appliance produces a burnt smell, contact
your Philips dealer or an authorized Philips service centre. The appliance
may also produce an unpleasant smell when one of the lters is dirty. In
this case, clean or replace the lter concerned.
You can change the air quality sensor sensitivity (see the chapter "Use the
appliance, section "Set the sensitivity of the air quality sensor") to make the
appliance clean the air even better.
• Please check if you have removed all the packaging material from the
lters.
• If the appliance is still too loud, you can change the fan speed to a lower
fan speed level.
The appliance still
indicates that I need
to replace a lter, but I
already did.
Perhaps you did not press the reset button
appliance, press the
button
for 3 seconds.
button to switch on and press and hold the reset
properly. Plug in the
25
EN
9 Guarantee and
service
If you need information or if you have a
problem, please visit the Philips website at
www.philips.com or contact the Philips
Consumer Care Center in your country (you
nd its phone number in the worldwide
guarantee leaet). If there is no Consumer Care
Centre in your country, go to your local Philips
dealer.
Order parts or accessories
If you have to replace a part or want to
purchase an additional part, go to your Philips
dealer or visit www.philips.com/support.
If you have problems obtaining the par ts, please
contact the Philips Consumer Care Center in
your country (you can nd its phone number in
the worldwide guarantee leaet).
26
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