Philips HU4902 is an advanced air humidifier that offers an array of features to enhance your indoor air quality. It boasts an intelligent humidity sensor that constantly monitors the air and automatically adjusts the humidification level to maintain your desired humidity preference. The device's sleek design and compact size make it an ideal fit for any room, ensuring optimal comfort levels without taking up valuable space. With its user-friendly control panel and clear display, you can easily adjust settings, select fan speed, set the timer, and monitor the current humidity level.
Philips HU4902 is an advanced air humidifier that offers an array of features to enhance your indoor air quality. It boasts an intelligent humidity sensor that constantly monitors the air and automatically adjusts the humidification level to maintain your desired humidity preference. The device's sleek design and compact size make it an ideal fit for any room, ensuring optimal comfort levels without taking up valuable space. With its user-friendly control panel and clear display, you can easily adjust settings, select fan speed, set the timer, and monitor the current humidity level.
H
U4902
HU4903
R
e
g
ister
y
our
p
ro
d
uct an
d
g
et su
pp
ort at
www.philips.com/welcome
User manual
3EN
Contents
1 Important 4
Safety
y
4
5
What’s in the box
x
5
3 Get started 6
6
8
U
n
d
erstan
d
t
h
e
h
um
idi
ty
i
n
di
cator
li
g
h
t
8
Understand the health
y
air
p
rotect alert
8
Understand the healthy air protect lock
k
8
8
C
hange the fan speed
9
Aut
o
9
M
a
n
ual
10
T
u
r
bo
1
0
Set the timer
r
1
1
S
et the humidit
y
level
1
2
Wate
r l
evel
12
12
1
2
1
3
1
4
15
15
Clean the water tank
k
1
5
16
16
17
19
19
2
0
8 Troubleshooting 21
9 Guarantee and service 23
O
rder
p
arts or accessorie
s
23
10 Notices 24
24
24
R
ecyc
li
n
g
2
4
English
4 EN
Caution
i
nto a properly connected power socket
.
l
evel, and horizontal sur
f
ace
.
c
onnected every time after you clean it or after
y
ou remove the upper cover and/or water tank fo
r
t
o deliver a good and safe performance
.
i
ndoor smoke-t
yp
e insect re
p
ellents or in
p
laces with
o
il
y
residues, burnin
g
incense, or chemical fumes.
y
ou clean it
.
Caution
t
emperature c
h
anges, as t
hi
s may cause con
d
ensat
i
on
u
n
d
er norma
l
operat
i
ng con
di
t
i
ons
.
C
lean the water tank ever
y
week to kee
p
it clean
.
u
se groun
d
water or
h
ot water
.
D
o not put any substance other than water in the
water tank. Do not put
f
ragrance in the water tank.
1 Important
Safety
Read this user manual carefull
y
before
y
ou use
Danger
Th
e
w
ate
r in
t
h
e
w
ate
r
ta
nk i
s
n
ot
su
i
tab
l
e
f
or
drinkin
g
. Do not drink this water and do not use it
to feed animals or to water
p
lants. When
y
ou em
p
t
y
t
h
e water tan
k
,
p
our t
h
e water
d
own t
h
e
d
ra
i
n
.
Warning
Check if the volta
g
e indicated on the bottom of the
If the
p
ower cord is dama
g
ed,
y
ou must have it
rep
l
ace
d
b
y
Phili
ps, a serv
i
ce center aut
h
or
i
ze
d
by
a
h
a
z
a
r
d.
or mental capabilities, or lack o
f
experience and
k
now
l
e
d
ge, un
l
ess t
h
ey
h
ave
b
een g
i
ven superv
i
s
i
on
p
erson res
p
onsible for their safet
y.
Children should be su
p
ervised to ensure that the
y
do
Do not block the air inlet and outlet, e.
g
. b
y
p
lacin
g
i
te
m
s
o
n
t
h
e
a
ir
out
l
et
o
r in fr
o
n
t
o
f
t
h
e
a
ir inl
et
.
5EN
What’s in the box
C
heck and identify the contents of you
r
p
ac
k
a
g
e
:
B
ase
W
ater tan
k
HU
4111
available
f
o
r
H
U
4903
HU
4101
Upper cove
r
AC4016
Register your product and get support at
www.philips.com/welcome
English
3
ࡩᇓ໗
19
⁚㇂Ŷဟ
33
ᄡ
ၟ
༳
ອ
ᅣ
ഌ
ሃ
Ҭ
Ӆ
ѭ
ࠊ
֨
ᆪ
ӿ
www.phililps.com/welcome
Quick start
g
uid
e
ॽ
ි
ೊ
ᆻ
ଶ
҄
Ƀ
پ
ܞ
ڲ
HU
4902
H
U4903
U
ser manua
l
Q
uick start
g
uid
e
Warranty
Warrant
y
2 Your humidifier
C
ongratulations on your purchase, and
w
e
l
come to
Phili
ps
!
offers, register your product at www.Philips
.
com/welcome
.
air to your house for the health of your family.
It offers you an advanced evaporation system
of the dry air in your home. It retains bacteria,
calcium and other particles
f
rom the water. It
No more dry air in the winter season or
f
rom
t
he air conditioning
.
Read this user manual care
f
ully be
f
ore you
r
efe
r
e
n
ce.
English
6 EN
3 Get started
1
Hold b
y
both sides of the u
pp
er cover to
lift it up.
2
unt
il
t
h
e water reac
h
es t
h
e wate
r
i
n
di
cat
i
on
l
eve
l.
MAX
»
3
Pl
ace t
h
e upper cover
b
ac
k
onto t
h
e
7EN
Understand the healthy air
protect lock
The healthy air protect lock always ensures
that your humidier does not work without
water in the tank. When the water tank is
empty and needs to be relled, the healthy
air protect lock shuts off the humidier and
a red indicator lights up. When you rell the
water tank properly, the humidier is turned
on again.
Switch the humidier on and
off
1
Plug the humidier into the power supply.
» All lights ashes twice.
2 Press the
button to switch on the
humidier.
4 Use the
humidifier
Understand the humidity
indicator light
The humidier is equipped with a built-in
humidity sensor. The current humidity level is
shown on the display (40, 50 or 60 percent).
Note
•
The accuracy of the humidity indication is
approximately plus or minus 5%.
• It takes some time to measure the humidity level in
the room..
Color of the humidity
indicator light
Humidity level
Blue target achieved
Red below target
The humidity indicator light automatically goes
on when the humidier is switched on.
Note
•
The built-in humidity sensor measures the humidity
level and automatically selects the appropriate color
of the humidity sensor light. When the desired
humidity level is reached, the color of the humidity
sensor light is in blue. When the humidity level is
not reached, the color of the humidity sensor light
becomes red.
Understand the healthy air
protect alert
The healthy air protect alert gives you a timely
warning when the water tank needs relling.
When the water in the tank starts getting low,
a red indicator on the control panel starts
blinking to tell you that it is time to rell the
tank.
English
8 EN
Change the fan speed
Auto
Note
A
U
T
O
mode is onl
y
available fo
r
H
U
4
9
0
3
.
Th
e automat
i
c mo
d
e uses t
h
e
di
g
i
ta
l
sensor
t
o constantl
y
monitor the air
q
ualit
y
. It turns
t
o ensure the humidit
y
level is constantl
y
at
t
he ri
g
ht level. The de
f
ault humidit
y
level o
f
t
he automatic mode is set at 50%, but
y
ou can
c
han
g
e to
y
our desired humidit
y
level
f
or the
automatic mode. Next time when
y
ou switch
set
h
um
idi
ty
l
eve
l
, un
l
ess you
h
ave unp
l
ugge
d
wall socket. Then the de
f
ault humidity level o
f
5
0%
is set again
.
1
Press the
button to switch on the
»
The humidit
y
sensor li
g
ht is on.
»
The current fan speed is shown
.
»
Th
e current
h
um
idi
ty
l
eve
l
i
s s
h
own.
»
invisible mist
.
3
P
ress t
h
e
button to switch off the
Note
I
f
the water in the tank is getting very low, the
i
n
di
cator
li
g
h
t
r
e
m
a
in
s
o
n
.
I
t
i
s norma
l
t
h
at
y
ou cannot see t
h
e m
i
st.
9EN
2
P
r
ess
the
S
PEED
butto
n
o
n
ce
o
r m
o
r
e
times to select the desired fan speed
AU
T
O
,
a
n
d/or
Tip
A
U
T
O
a
n
d
T
u
r
bo
modes are onl
y
available fo
r
H
U490
3
.
HU4902
a
n
d
n
o
n-
auto
m
ode
of
HU4903: if
t
h
e
d
es
i
re
d
h
um
idi
t
y
l
eve
l
i
s reac
h
e
d
,
y
ou can c
h
an
g
e to
a lower fan speed.
O
n the other hand, if the desired
h
umidit
y
level is not reached,
y
ou can select the fan
s
pee
d
to humidif
y
the air
q
uickl
y
.
Turbo
Note
T
urbo mode is onl
y
available fo
r
HU4903
.
1
Pr
ess
t
h
e
butto
n
to
s
wi
tc
h
o
n
t
h
e
2
P
r
ess
the
S
PEE
D
butto
n
to
select
the
AU
T
O
m
ode.
Tip
chan
g
es to a lower fan s
p
eed automaticall
y
.
Manual
Y
ou can manuall
y
select the desired fan s
p
eed.
1
P
ress t
h
e
b
utton to sw
i
tc
h
on t
h
e
English
10 EN
1
P
r
ess
the
butto
n
to
s
w
itch
o
n
the
2
Press the
T
IME
R
button to activate the
timer.
»
T
he
T
IME
R
1
H
,
4
H
or
8
H
on
.
3
P
ress t
h
e
TIMER
b
utton repeate
dly
to choose the number o
f
hours
y
ou
corres
p
on
di
n
g
TIMER
light goes on.
T
o deactivate the timer
f
unction, press the
TIMER
b
utton re
p
eate
dly
unt
il
t
h
e
TIMER
1
H
,
4H
or
8H
2
P
r
ess
the
S
PEE
D
butto
n
o
n
ce
o
r m
o
r
e
ti
m
es
to
select
the
Tu
r
bo
m
ode.
»
a
n
d
a
r
e
o
n
.
Set the timer
With the timer
f
unction,
y
ou can let the
automatically switches o
ff
.
Y
ou can use the timer
f
unction in the
f
ollowing
situations
:
S
ituation
s
You will se
e
C
hoose a
f
an speed
manuall
y
One or a combination of the
SPEE
D
A
UT
O
,
and/or
TIME
R
lights
1
H
,
4
H
or
8
H
A
U
T
O
mode and
are on
l
y
a
vailable
f
or HU
4903
.
Th
e
i
s
i
n auto
The A
U
T
O
light is on.
One of the SPEED
or
TIMER
li
g
h
ts
1
H
,
4H
or
8H
A
U
T
O
mo
d
e
i
s on
l
y ava
il
a
bl
e
fo
r
HU
4903
.
11EN
Water level
Wh
en t
h
ere
i
s not enou
gh
water
i
n t
h
e water
t
an
k,
t
h
e re
d
indicator light starts blinking.
m
o
r
e
h
ou
r
.
ta
nk.
Note
t
he water a
f
ter more than one hour. The red
i
n
di
cator
li
g
h
t
i
s on
.
!
"
1
Remove upper cover by lifting it at both
sides
.
Set the humidity level
Note
Press the H
U
M
I
button once or more
times to set the desired air humidit
y
to
4
0
,
50
,
6
0
percent or no preset
l
eve
l
.
»
40
,
5
0
or
60
it changes and stays at the current
humidity level.
»
Th
e
h
um
idi
ty sensor
li
g
h
t
i
s
i
n re
d
i
f
the desired humidity level is not
reac
h
e
d
.
I
t turns
bl
ue w
h
en t
h
e
d
es
i
re
d
h
um
idi
ty
l
eve
l
i
s reac
h
e
d.
Tip
A comfortable humidity level is between
40%
and
60%
.
Note
If
y
ou set the humidit
y
level to no
p
reset level,
English
12 EN
2
Remove the water tank from the
3
until the water reaches the maximum
water indication level
.
MAX
»
4
Pl
ace t
h
e water tan
k
b
ac
k
on t
h
e
13EN
5
Pl
ace t
h
e upper cover
b
ac
k
at t
h
e
!#$!
tank
1
Remove the upper cover
.
2
3
P
our
i
t
i
nto t
h
e water tan
k
unt
il
t
h
e
w
ater reaches the maximum water level
i
n
di
cat
i
on
.
MAX
4
P
ut t
h
e upper cover
b
ac
k
to t
h
e
app
li
ance
.
%
1
2
Pour the water to the water tank
f
rom
the top central opening until the top o
f
o
p
enin
g
com
p
letel
y.
Tip
I
f
y
ou see the water starts accumulatin
g
, this means
t
he water tank is full. Sto
p
p
ourin
g
water
.
English
14 EN
5 Clean your
humidifier
Our Philips designers have created a best
-
in-class design for cleanability, empowering
consumers to take control of the h
yg
iene
easier
.
Note
a
g
ents such as bleach or alcohol to clean an
y
p
art o
f
Clean the body of the
Regularly clean the inside and outside of the
1
W
ipe away dust with a so
f
t dry cloth
2
C
lean the air inlet and the air outlet with
a soft dry cloth
.
Clean the water tank
C
lean the water tank ever
y
week to kee
p
it
h
yg
i
en
i
c
.
1
2
A
dd some mild washing-up liquid to the
w
ate
r in
t
h
e
w
ate
r
ta
nk
.
3
Clean the inside of the water tank with
both hands
.
4
Empty the water tank into a sink.
15EN
3
clock
w
ise
to
r
e
m
ove
it
.
2
1
4
5
s
l
ow
ly
runn
i
n
g
ta
p.
6 Clean the
humidification
filter
every week to keep it hygienic.
1
2
Remove the water tank
f
rom the
English
16 EN
2
R
e
m
ove
t
h
e
w
ate
r
ta
nk fr
o
m
t
h
e
3
clockwise to remove it.
2
1
4
6
7
put it back in place
.
2
1
&
Note
avoid scale build-up, which seriously affects the
humidif
y
in
g
p
erformance
.
1
17EN
10
11
c
lockwise to put it back in place.
2
1
5
Mi
x w
hi
te v
i
ne
g
ar w
i
t
h
an e
q
ua
l
amount
o
f
ta
p
water in a container that is lar
g
e
i
n
.
W
ater :
V
inega
r
1
:
1
1
h
our
Note
The white vine
g
ar is com
p
osed with of 5% acetic
ac
id.
ma
k
e sure t
h
at t
h
e s
id
e w
i
t
h
t
h
e w
hi
te
d
epos
i
ts
i
s
imm
e
r
sed
in
t
h
e
w
ate
r
.
6
solution for one hour.
7
Discard the water-vine
g
ar solution
.
8
t
ap to r
i
nse away v
i
negar res
id
ues.
D
ur
i
ng
t
hat both the
f
ront and back sides are
rinsed
.
9
Let excess water drip off the
English
18 EN
3
clock
w
ise
to
r
e
m
ove
it
.
2
1
4
5
Remove the
p
acka
g
in
g
material
f
rom the
7 Replace the
filters
a year for optimal performance
.
Note
HU
4101
.
Tip
Re
g
ister
y
our
p
roduct at www.Phili
p
s.com
f
or
f
urthe
r
1
2
Remove the water tank
f
rom the
appliance
.
19EN
Replace the anti-bacterial
Note
H
U4903
.
HU
4111
year to prevent the bacteria from growing in
t
he water tank.
P
u
ll
an
d
remove t
h
e o
ld
ant
i
-
b
acter
i
a
l
r
ep
l
ace
.
6
7
put it back in place
.
2
1
Tip
Co
n
su
m
e
r
Ca
r
e
Ce
n
te
r
.
English
20 EN
8 Troubleshooting
Thi
s c
h
apter summar
i
zes t
h
e most common
pro
bl
ems you cou
ld
encounter w
i
t
h
t
h
e
problem with the information below, contact
t
he Consumer Care Center in your country.
Proble
m
Possible solution
'
d
o
e
s
n
ot
wo
rk
.
(
(
There is no ai
r
)
The water tan
k
l
ea
ks.
(
(
you clean it or after you remove the upper cover and
/
or water tank fo
r
( Make sure that water tank is placed properly. I
f
the problem persists,
contact the
C
onsumer
C
are
C
enter in your country
.
I
do
n
ot
s
ee
th
e
current
h
umi
d
ity
in
d
ication c
h
an
g
e
.
(
(
(
Your room might have too much ventilation. Please close doors and
windows.
(
Your room size is too big. The recommended room size is 50m² for both
HU4902 and HU4903.
Th
ere are some
w
hite deposits on
)
The white de
p
osits are called scale and the
y
consist of minerals from the
'
y
ellowish afte
r
some t
i
me
.
The yellow color is caused by scale and some dirt which is presented in the
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Philips HU4902 is an advanced air humidifier that offers an array of features to enhance your indoor air quality. It boasts an intelligent humidity sensor that constantly monitors the air and automatically adjusts the humidification level to maintain your desired humidity preference. The device's sleek design and compact size make it an ideal fit for any room, ensuring optimal comfort levels without taking up valuable space. With its user-friendly control panel and clear display, you can easily adjust settings, select fan speed, set the timer, and monitor the current humidity level.
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