Operating Manual
21
P
ERF
O
RMIN
G
 MAINTENAN
C
E 
(CO
NTINUED
)
In
ta
k
e
G
rill
e
 M
a
in
te
n
a
n
ce
●
Pe
rf
o
rm 
dust
bo
x m
a
in
te
n
a
n
ce
at
t
h
e
sa
m
e
t
im
e.
C
A
U
TI
O
N!
B
e sure to 
i
nsta
ll
 t
h
e 
i
nta
k
e 
g
r
ill
es secure
l
y.
●
If
 the intake grilles are not installed securely, they may 
f
all and
cause persona
l
i
n
j
ury
.
1
. 
O
pen the open panel
.
Re
f
er to procedure 1 in Dust Box Maintenance (
S
ee pa
ge
17
).
2
. Removing the Intake grille.
1
P
ush the 
g
rille's holdin
g
 positions (4) on the interior
of the open panel upwards (releasin
g
 the front pan-
e
l's four holdin
g
 positions).
Projections
Projections
Holding positions
2
G
rasp the Intake 
g
rille's upper holdin
g
 positions and
p
ull them 
f
orward
.
3
. W
as
h wi
t
h w
ate
r
.
Remove the dust 
f
rom the intake 
g
rilles with a vacuu
m
c
leaner, wipe them with lukewarm water, and then dr
y
t
hem with a clean, soft cloth
.
D
o not c
l
ean w
i
t
h
 water a
b
ove 40
°
C,
The exterior of the indoo
r
u
nit ma
y
 be deformed and become discolored
.
4. 
I
nsta
ll
 t
h
e 
i
nta
k
e 
g
r
ill
es
.
1
S
lide each intake 
g
rille into the indoor unit alon
g
 th
e
g
uide rails under the open panel until it stops. (Li
f
t up
sligh
t
l
y on t
h
e 
i
nta
k
e 
g
r
ill
e as 
i
t 
i
s 
b
e
i
n
g
i
nsta
ll
e
d
.
)
5. Install the Intake grilles.
1
 Slide Intake 
g
rille into the indoor unit alon
g
 the 
g
uid
e
rails under the open panel until it stop. (Lift up sli
g
htl
y
on the intake 
g
rille as it is bein
g
 installed.
)
Open panel
Guide rails
●
 Make sure that the intake grilles are installed in th
e
correct direction. FRONT is stamped on the holding
p
osition of each intake grille.
2
 Insert the 
f
our projections on each intake 
g
rille int
o
t
he indoor unit in the direction o
f
 the arrows shown
.
Projections
Projections
 I
f
 the intake 
g
rilles are not installed properly alon
g
 the
g
uide rails until they stop, the projections will not 
f
i
t
i
nto the indoor unit. After installation, make sure the
i
ntake grilles are installed securely by gently movin
g
t
h
e
m f
o
rw
a
r
d
a
n
d
bac
kw
a
r
d
a
n
d
 fr
o
m 
s
i
de
to
s
i
de.
6
. 
C
lose the open panel.
Re
f
er to procedure 4 in Dust Box Maintenance (
S
ee pa
g
e
17
)
.
Intake grille










