Hitachi RAC-18SX8, Service Manual

Page: 28 / 254

– 26 –
– 37 –
ENGLISH
Maintenance of micr
o mesh stainless filter
No dail
y
maintenance is required.
Ho
we
ver
,
filter should be c
leaned
if the dir
t
is noticeab
le
due to the en
vir
onment
in whic
h
the air
conditioner is used.
1
Stop the operation with the remote contr
o
ller
and unplug the po
wer
plug (or turn off the cir
cuit
breaker).
2
Open the fr
ont panel.
(Ref
er to page 8 on opening the front panel
)
3
Remo
ve the fr
ont panel.
4
Remo
ve the fr
ont micr
o mesh stainless filter.
Upper micro mesh stainless filter
Fr
ont micro mesh
stainless filter
Ar
m
Ar
m
①
Push the end of the r
ight-side
ar
m
outw
ard
to
release the tab
.
②
Mo
v
e
the left-side ar
m
outw
ard
to release the
left tab
, and then pull the panel to
w
ards y
ou.
•
Slide the loc
ks
(2 places each on the left and r
ight)
of the micro mesh stainless filters upw
ards
.
Loc
k
Fr
ont micro mesh
stainless filter
Bend and pull out
•
Slightly bend the micro mesh stainless filters (left
and r
ight)
in the arro
w
direction to remo
v
e
the
filters.
Push
– 36 –
MAINTENANCE
•
Bef
ore cleaning, stop unit oper
ation with the remote controller and tur
n off the circuit break
er
.
W
ARNING
Maintenance of dust bo
x
•
No dail
y
maintenance is required.
Ho
we
ver
,
dust amount v
aries
depending on
the en
vir
onment
in whic
h
the air conditioner is used.
Chec
k
the dust amount
appr
o
ximatel
y once e
ver
y tw
o y
ear
s and thr
o
w
the dust,
if an
y
.
•
Some type of dust ma
y
be accum
ulated
on the rear surface of the dust catc
her
.
It is recommended to c
lean the dust catc
her tog
ether with the dust bo
x.
1 3
Stop the operation with the remote contr
o
ller
and unplug
the po
wer plug (or turn off the cir
cuit breaker).
2
W
ash the dust bo
x with water
.
•
If the dir
t is stub
bor
n, w
ash with the dust bo
x with w
a
rm
w
ater belo
w 40
°
C.
•
After w
ashing, dr
y it in the shade
.
Plug in the po
wer plug (or turn on the cir
cuit breaker).
Dust bo
x
•
Do not e
xpose the unit to w
ater as it ma
y cause an electr
ic shoc
k.
•
F
or cleaning inside the air conditioner
, consult y
our sales agent
.
•
Av
oid using detergent when cleaning the heat e
xchanger of the indoor unit.
Unit f
ailure ma
y result.
•
When cleaning the heat e
xchanger
with a v
acuum
cleaner
, mak
e
sure to w
ear
glo
v
es
so as not to injure y
our
hands on the heat e
xchanger
fi
ns.
CA
UTION